The month so far - in the British Isles

Data for last month can be found here

The data below are for the month of Apr 2021.

 site -09GMT MSL Pressure- --Rainfall-- --Maximum Temp--- --Minimum Temp--- --Sunshine-- Mean Temp Rain -Sun Pres09                      
        mean   high    low  Total 12hMx  Mean  High   Low  Mean  High   Low  Total   Max Temp Anom             Anom                      
          mb     mb     mb     mm    mm     C     C     C     C     C     C     hr    hr    C    C    %    %     mb                      
03002 1020.9 1035.0  992.5   47.0   7.0   7.8  11.5   2.7   2.2   7.3  -5.0               5.0 -1.3   73              Baltasound          
03005 1021.2 1035.0  994.2   52.2   9.0   7.3  10.6   1.1   2.2   6.7  -5.2  153.4  10.1  4.7 -1.0   74  128   +9.1  Lerwick             
03008 1021.9 1035.5  996.9   26.6   4.0   7.2   9.7   2.6   3.2   6.6  -4.1               5.2 -2.8   52              Fair Isle           
03017 1022.5 1034.6  998.3   39.0   5.0   8.7  13.0   2.9   2.2   6.6  -3.2  209.5  13.5  5.4 -1.2   65  167*        Kirkwall            
03023 1024.0 1037.2 1004.3   35.6   5.0   9.6  15.4   4.7   3.6   8.3  -1.4               6.6 -1.1   53              South Uist Range    
03026 1023.8 1036.4 1000.7   47.8   8.0   9.1  14.8   3.6   2.5   8.3  -3.6  202.2  13.4  5.8 -1.3   66       +11.6  Stornoway           
03031 1023.9 1036.1 1003.4                                                                                           Loch Glascarnoch    
03034 1024.1 1037.1 1003.0                                  2.1   8.1  -2.6                                          Aultbea             
03044                                                      -1.6   6.3  -8.2  175.6  13.4                             Altnaharra          
03047                                                      -2.0   7.0  -9.4                                          Tulloch Bridge      
03062 1023.8 1035.5 1002.0   16.2   6.0  10.2  16.2   4.2  -0.3   6.9  -5.3               5.0 -2.3   40              Tain Range          
03063 1023.7 1035.2 1004.6   31.4   4.0  10.5  17.7   2.5  -1.0   6.4  -7.1  176.9  12.5  4.7                        Aviemore            
03066                                                       0.8   7.7  -3.8  227.6  13.9                 180*        Kinloss             
03068 1023.8 1035.4 1002.6   25.6   8.0                     1.5   7.4  -3.0                          63              Lossiemouth         
03075 1023.0 1034.7 1000.1   24.6   8.0   8.7  12.4   3.2   1.2   7.1  -4.4               5.0 -1.6   49              Wick                
03080                                                      -2.4   5.8  -7.3                                          Aboyne              
03088                                                       0.9   5.0  -4.5                                          Inverbervie         
03091 1023.4 1035.2 1004.7   22.4   5.0   9.4  13.5   2.4   0.4   5.2  -3.5  228.0  13.5  4.9 -2.2   38  168* +10.5  Aberdeen Dyce       
03171 1024.2 1036.2 1007.5    2.6   0.8  10.7  16.2   5.9   0.3   6.6  -3.9  243.8  13.7  5.5 -2.0    6  169*        Leuchars            
03100 1024.5 1037.2 1008.8   33.4   6.0   9.8  14.6   5.0   3.7   8.1  -0.9  252.6  14.2  6.8 -0.9   46       +11.9  Tiree               
03105 1024.7 1036.7 1012.0   16.8   3.0  10.7  16.8   5.4   1.9   7.8  -4.5               6.3 -1.3   22              Port Ellen          
03111 1024.6 1036.4 1011.2   13.6   3.0  10.6  17.2   5.6   2.2   7.9  -4.4               6.4 -1.4   18              Machrihanish        
03134 1024.7 1036.1 1011.1   10.2   4.0  12.1  18.6   6.2   1.3   6.7  -4.3  237.0  13.0  6.7                        Glasgow Bishopton   
03136                                                       1.4   6.7  -4.6                                          Prestwick           
03144 1024.7 1036.3 1008.2   17.8   6.0  11.6  18.8   5.3  -0.2   6.0  -5.5               5.7 -2.0   35              Strathallan         
03155                                                       0.2   5.3  -6.5                                          Drumalbin           
03158                                                       0.3   5.9  -4.6  235.2  13.4                             Charterhall         
03162 1024.5 1036.3 1010.1   18.0   5.0  10.8  16.8   5.7  -1.8   4.7  -7.5  217.3  12.6  4.5 -1.7   18  183* +10.4  Eskdalemuir         
03166 1024.4 1036.0 1009.5    5.8   3.0                                                              13              Edinburgh Gogarbank 
03204 1024.8 1036.6 1010.2   12.0   4.0  10.4  14.9   6.1   3.9   8.3  -1.6  253.9  13.8  7.1 -1.1   22  148         Ronaldsway          
03210                                                       2.9   7.5  -2.2                                          St Bees Head        
03212 1024.4 1036.0 1009.6   10.4   4.0  11.7  17.9   6.7   0.7   7.2  -4.9               6.2 -1.9   13              Keswick             
03214 1024.5 1036.1 1009.8   11.0   4.0                     3.0   8.3  -2.0                          20              Walney Island       
03220 1024.8 1036.6 1009.9   12.4   7.0  11.8  19.0   7.0   1.1   6.8  -5.1               6.4 -1.8   25              Carlisle            
03225 1024.3 1035.9 1009.7   16.2   7.0                    -2.0   3.9  -8.4  218.5  12.9             18              Shap Fell           
03351                                                       0.5   8.1  -3.6                                          Rostherne           
03230 1024.2 1036.1 1010.0   17.0   4.0  10.4  17.5   4.1  -2.1   4.4  -7.0               4.1                        Redesdale           
03238                                                      -0.3   5.6  -4.7                                          Albermarle          
03240 1024.0 1036.0 1010.4                                  1.6   6.8  -1.1  245.2  13.4                 156         Boulmer             
03257 1024.5 1036.1 1009.9   10.0   5.0  11.9  17.4   6.5  -0.1   6.6  -5.0  228.9  13.0  5.9 -2.2   20  172* +10.5  Leeming             
03265 1024.5 1036.2 1010.1   13.4   3.0  12.1  17.7   6.2  -0.5   6.9  -6.1               5.8 -2.0   25              Topcliffe           
03266 1024.4 1036.1 1010.0               12.3  18.0   6.8   0.4   6.7  -4.4               6.4 -1.9                   Linton-on-Ouse      
03275 1023.8 1035.8 1009.9   11.4   2.0   9.1  16.2   4.7   1.4   5.9  -3.4               5.2 -2.0   24              Loftus              
03281                        19.6   4.0                                                              26              Fylingdales         
03292 1023.5 1035.4 1010.2   20.4   7.0  10.3  16.9   5.4   2.4   7.0  -1.5               6.3 -1.7   43              Bridlington         
03344 1024.2 1035.7 1009.6   12.2   7.0  10.2  16.4   4.6   0.3   6.4  -4.3               5.3 -1.7   17              Bingley             
03346                         7.0   2.0                                                                              Emley Moor No.2     
03354 1024.3 1035.5 1009.3    9.6   4.0  11.7  17.5   6.3   1.4   7.4  -3.0  216.3  13.5  6.5                        Nottingham Wea Cen  
03373 1024.0 1035.3 1009.7    7.4   2.0                     0.4   6.3  -4.4                          16              Scampton            
03377 1024.2 1035.6 1009.5    7.0   2.0  11.2  16.9   6.3   1.9   6.5  -1.5  223.2  13.6  6.6 -1.8   15  143*  +9.9  Waddington          
03379 1024.3 1035.6 1009.3    5.8   2.0  11.3  17.0   6.4   1.1   6.0  -2.5               6.2 -2.2   12              Cranwell            
03382 1023.9 1035.5 1010.2    3.6   1.0  11.2  17.2   5.9   0.1   5.9  -3.7               5.7 -2.5    7              Leconfield          
03385 1023.9 1035.4 1010.0                9.3  17.2   6.2   2.6   7.4  -2.1               6.0                        Donna Nook          
03391 1024.1 1035.3 1009.1   13.2   6.0  11.2  16.9   6.5   1.7   7.2  -3.1               6.5 -2.1   30              Coningsby           
03392 1023.9 1035.0 1009.0    3.6   1.0  10.5  16.5   7.3   1.1   7.0  -2.6               5.8 -2.3    9              Wainfleet           
03302 1024.4 1035.9 1010.8   16.4   6.0                     3.9   8.8  -0.5                          30       +10.4  Valley              
03301 1024.4 1035.9 1010.8   10.6   2.0  11.5  19.4   6.0   1.8   7.6  -3.1               6.6                        Raf Mona            
03305 1024.4 1035.6 1010.7   25.2  10.0  10.5  16.9   3.2   0.7   7.0  -3.7               5.6 -1.8   17              Capel Curig         
03313 1024.5 1036.2 1010.6                                                                                           Rhyl                
03316                         6.8   4.0                     2.5   8.8  -2.0                          13              Crosby              
03318                         4.2   1.0                                                                              Blackpool           
03321 1024.7 1036.2 1010.4   17.2   7.0  12.2  18.4   6.4   1.6   9.0  -2.0  233.2  13.6  6.9 -1.8   35              Hawarden            
03405 1024.9 1036.0 1010.5    6.6   2.0  10.8  16.5   5.7   5.0   8.5   0.1  282.6  13.8  7.9 -0.6   11              Aberdaron           
03409 1024.3 1035.5 1009.9               11.5  17.2   5.6  -0.1   7.5  -4.5  211.0  13.4  5.7 -1.6       156         Bala                
03410                        20.6   6.0   9.1  14.7   3.5                                            21              Lake Vrynwy         
03502 1023.9 1034.7 1008.7    9.8   3.0  10.8  19.0   5.4   4.1   7.9   0.4  255.4  13.3  7.4 -0.8   18  148*  +9.6  Aberporth           
03503 1023.8 1034.7 1008.6    9.8   4.0  12.3  17.7   5.9   0.4   6.3  -5.4               6.4 -2.0   13              Trawscoed           
03507 1023.8 1034.4 1008.1   14.0   3.0  10.7  16.0   4.8  -0.7   7.2  -6.3               5.0                        Sennybridge         
03604 1023.8 1034.6 1008.1   10.8   6.0                                                                              Milford Haven       
03609 1024.4 1034.9 1007.7                                                                                           Mumbles             
03716 1023.7 1034.2 1006.6   37.6  29.0  12.2  17.9   6.6   3.3   9.9   0.0  223.8  13.6  7.8 -1.1   61  125         St Athan            
03330 1023.9 1034.9 1008.7   24.8   9.0  10.2  15.4   4.3   1.0   6.1  -4.2               5.6 -1.5   42              Leek Thorncliffe    
03414 1024.5 1035.4 1009.3    8.8   4.0  11.8  17.7   6.1   1.0   8.1  -2.4  213.0  13.5  6.4 -1.6   18  161*        Shawbury            
03520 1024.3 1035.2 1008.2   18.8   6.0  12.2  17.5   6.3   0.7   8.3  -3.2  222.5  13.4  6.4 -1.9   31              Shobdon             
03535 1024.0 1035.1 1007.3                                  0.7   7.4  -2.9                                          Coleshill           
03544 1023.9 1035.0 1006.8   22.0  20.0  11.6  17.8   6.4   0.8   7.0  -2.9               6.2 -2.2   44              Church Lawford      
03647 1023.4 1034.5 1006.1                                  0.6   6.6  -4.4                                          Little Rissington   
03649 1023.8 1034.9 1006.1   29.8  15.0  12.1  17.9   6.2   1.7   7.7  -2.3  203.2  13.4  6.9 -1.8   61  122         Brize Norton        
03658 1023.6 1034.5 1005.8                                                                                           Benson              
03660 1023.5 1034.4 1005.8    6.8   3.0  11.2  16.3   5.2   2.1   7.0  -3.3               6.7 -1.6   11              High Wycombe        
03462 1023.7 1034.7 1007.4    6.8   3.0  11.3  17.3   6.8   1.4   6.7  -3.4  208.4  13.3  6.4 -2.0   14  133         Wittering           
03469 1024.0 1035.0 1008.5    7.2   3.0  10.6  16.4   6.8   1.3   7.3  -2.6               5.9 -2.7   17              Holbeach            
03482 1023.8 1034.5 1007.6    8.2   6.0  11.3  16.7   6.6   0.6   6.6  -4.1               5.9 -2.7   17              Marham              
03488 1023.6 1034.5 1008.7    5.4   2.0   9.3  16.5   5.3   2.9   7.3  -1.3  212.4  13.4  6.1 -2.6   13              Weybourne           
03560 1023.9 1034.8 1006.3                                  1.6   6.6  -2.9                                          Bedford             
03590 1023.3 1033.8 1006.1    4.0   2.0  11.0  16.0   5.9   1.4   6.2  -4.0  201.8  13.6  6.2 -2.2   10  125*        Wattisham           
03684 1023.3 1033.9 1005.4    1.2   1.0  11.4  15.7   6.3   1.5   6.8  -2.0               6.4 -2.0    3              Andrewsfield        
03693 1023.5 1033.6 1005.7    2.8   2.0  10.4  14.0   7.1   2.2   7.6  -4.1  232.1  13.5  6.3 -2.6    7              Shoeburyness        
03707 1023.5 1033.7 1006.5    5.6   2.0  13.2  18.8   8.2   3.3   8.8  -0.6               8.2        10              Chivenor            
03710                                                       1.2   7.9  -2.1  219.5  13.0                             Liscombe            
03740                                                       1.3   7.4  -2.6                                          Lyneham             
03743 1023.4 1034.1 1004.8   19.0   9.0  12.2  17.6   6.0   1.1   7.6  -2.5               6.6 -1.8   37              Larkhill            
03803 1022.9 1032.4 1007.2    6.0   2.0  11.4  13.5   8.2   7.4  10.4   4.0               9.4 -0.4   11              Scilly/St. Marys    
03808 1023.0 1032.9 1006.4    6.2   2.0  11.5  16.2   7.5   4.5   9.0   0.8  253.9  13.5  8.0 -0.8    8  152   +8.3  Camborne            
03809 1022.7 1032.7 1005.8   10.8   5.0  11.4  14.8   8.1   3.8   9.4  -0.8               7.6 -1.1   16              Culdrose RNAS       
03823 1022.6 1032.7 1005.5                                                                                           Cardinham           
03827 1023.1 1033.3 1005.1    5.0   4.0  13.1  16.9   8.4   3.6   9.7   0.4               8.3 -0.9    7              Plymouth            
03840 1023.1 1033.4 1005.3                                  1.3   8.6  -2.7                                          Dunkeswell          
03853 1023.6 1034.2 1005.3   17.8  10.0  12.9  18.1   7.5   0.7   7.5  -3.9  224.8  13.6  6.8 -1.9   35  135         Yeovilton           
03857                                                       5.1   9.5   1.3                                          Isle of Portland    
03672 1023.7 1034.4 1005.3    9.2   6.0  12.8  18.3   6.6   1.8   7.8  -3.4               7.3 -2.1   20              Northolt            
03746 1023.3 1034.0 1004.6   26.6  13.0  12.5  17.8   7.1   1.3   8.6  -3.4               6.9 -1.7   52              Boscombe Down       
03749 1023.4 1034.1 1004.5   19.0  11.0  12.4  17.8   6.5   1.4   7.9  -2.6               6.9 -1.8   35              Middle Wallop       
03761 1023.3 1033.9 1004.5   13.4   7.0  12.2  17.5   5.6   1.2   6.7  -3.2  209.7  13.2  6.7 -2.0   25  121         Odiham              
03768 1023.4 1034.1 1004.9               12.4  17.4   5.8   0.3   6.1  -4.9               6.4                        South Farnborough   
03769 1023.1 1033.6 1005.0                                                                                           Charlwood           
03770                         2.2   2.0                                                                              St James Park       
03772 1023.7 1034.4 1005.2    7.2   4.0  13.0  18.6   6.9   2.9   7.9  -2.4  202.6  13.0  8.0 -1.9   16  133*  +9.1  Heathrow            
03781 1023.2 1033.7 1004.8    3.8   2.0  11.0  16.4   5.3   1.2   7.4  -3.7               6.1 -2.6    6              Kenley              
03796 1022.8 1033.6 1004.7                                  3.0   7.7  -1.6                                          Langdon Bay         
03797 1023.2 1033.5 1005.5    5.4   4.0   9.9  13.2   6.5   3.5   7.3  -1.8  222.5  13.2  6.7 -2.2   13  133*  +8.6  Manston             
03862 1023.3 1033.8 1004.2                                 -0.1   5.8  -5.2  231.4  13.6                 137*  +8.6  Bournemouth Hurn    
03866 1022.7 1033.5 1003.8    1.2   0.6  10.9  16.1   7.3   4.4   9.3   0.1               7.7                        St Catherines Point 
03872                                                       1.7   7.8  -3.0                                          Thorney Island      
03882 1022.9 1033.6 1004.7    4.8   3.0  11.8  16.3   6.4   2.3  11.1  -3.5  204.7  11.6  7.1 -1.9    9  114         Herstmonceux        
03894 1022.3 1033.5 1004.1               11.2  20.1   7.6                                                      +7.2  Guernsey Airport    
03895 1021.8 1033.4 1004.0   12.6   5.0  12.3  22.0   7.8   5.1  11.2   1.6  285.3  13.3  8.7 -0.8   22  145         Jersey Airport      
03901 1024.3 1036.6 1011.5   26.2   6.0  12.2  17.6   6.3   1.8   7.2  -3.9  174.9  13.4  7.0                        Thomastown          
03904 1024.6 1037.1 1012.1   45.8  12.0  12.3  18.0   5.9   1.0   8.0  -3.6               6.6 -1.3   61              Castlederg          
03907                                                       2.8   8.5  -2.2                                          Magilligan          
03915 1024.3 1036.3 1010.7   20.0   6.0  11.3  15.7   5.3   2.4   7.5  -2.0               6.9                        Port Glenone        
03916                                                       2.4   7.5  -2.4                                          Ballypatrick Forest 
03917 1024.8 1036.8 1011.0                                  2.4   7.4  -3.2                                   +11.4  Aldergrove          
03923 1024.2 1036.3 1010.7   21.4   6.0  10.9  15.8   4.2   2.4   6.2  -1.4               6.6 -1.2   29              Glennane            
03953 1023.9 1034.7 1014.0   29.7   5.0  13.0  21.2   8.4   5.8  12.5   0.5               9.4 -0.0   31        +9.7  Valentia            
03955 1024.2 1035.1 1012.1   19.7   3.0  11.2  15.3   8.0   4.4   7.9  -0.5  209.6  13.8  7.8 -0.7   25  138   +9.9  Cork Airport        
03956 1024.6 1035.6 1011.2   12.0   5.0  10.8  15.0   7.4   4.1   8.3  -0.8               7.5                 +10.4  Johnstown Castle    
03962 1024.5 1036.2 1013.7   15.1   2.0  13.5  18.8   7.9   4.4   9.5  -1.9  225.3  13.8  9.0 -0.6   25  151  +11.0  Shannon Airport     
03967 1024.7 1036.3 1011.5   18.3   5.0  11.5  17.0   6.5   2.3   8.0  -4.7  202.0  13.1  6.9                        Casement Aerodrome  
03969 1024.8 1036.7 1011.4    9.3   1.0  10.9  16.1   6.6   1.1   6.6  -4.7               6.0 -2.4   18       +10.8  Dublin Airport      
03973 1024.6 1036.6 1012.9   41.6   6.0  11.3  17.9   5.7   3.2   6.6  -1.5               7.3                        Connaught Airport   
03976 1024.5 1037.0 1014.6   43.6   4.0  12.4  20.6   7.3   4.9  10.2   0.3               8.7 -0.3   61       +11.2  Belmullet           
03952 1024.2 1035.1 1011.9   22.6   9.0  11.4  14.1   8.4   5.8   9.4   0.8               8.6                        Roches Point        
03970 1024.6 1036.6 1013.1   29.9   6.0  13.0  19.1   6.7   2.6   7.6  -2.5               7.8                        Claremorris         
03971 1024.5 1036.5 1011.5   24.7   5.0  12.2  17.6   6.7   2.2   7.4  -3.4               7.2                        Mullingar           
03978 1024.7 1037.1 1012.8   34.0   7.0  11.8  18.6   6.4   3.4   8.6  -2.0               7.6                        Finner              
03961 1024.8 1036.5 1012.0   14.9   3.0                     2.3   8.0  -2.0                                          Oak Park            
03979 1024.6 1037.0 1011.5   15.6   4.0  11.8  16.9   5.9   1.7   7.0  -3.4               6.7                        Ballyhaise          
03966 1024.6 1036.5 1012.6   13.3   2.0  12.5  17.2   7.1   2.6   8.0  -4.2               7.5                        Gurteen             
03963 1024.3 1036.2 1014.2   28.0   8.0                     5.8   9.7   0.3                                          Mace Head           
03951 1024.0 1034.6 1012.5   13.5   3.0                                                                              Sherkin Island      
03980 1024.6 1037.1 1012.7   31.9   8.0  10.2  14.3   5.5   4.6   8.7   0.1               7.4 -1.1   50       +11.6  Malin Head          
 site -09GMT MSL Pressure- --Rainfall-- --Maximum Temp--- --Minimum Temp--- --Sunshine-- Mean Temp Rain -Sun Pres                        
The data above are for the month of Apr 2021 ending at 06GMT on day 01.

Averages refer to the period 1981-2010 in all cases.

09GMT MSL Pressure (mb) : mean, highest and lowest MSL pressure at 0900GMT
Rainfall (mm) : total starting 0600GMT/1st, and greatest 12-hour fall ending 06GMT or 18GMT
Maximum Temperature (degC) : for the period 06-18GMT, mean, highest and lowest
Minimum Temperature (degC) : for the period 18-06GMT, mean, highest and lowest
Sunshine (h) : total and highest daily value
Mean Temperature (degC) : the average of the mean maximum and mean minimum
Temperature anomaly (degC) : the departure from the climatological average
Rainfall percentage (%) : the monthly total as a percentage of the climatological average
Sunshine percentage (%) : the monthly total as a percentage of the climatological average (an asterisk denotes site now uses a Kipp-Zonen instrument). This change was made to the tables on 27.08.2008. Climatological averages are for 30-years of pseudo-KZ observations in this case)
Pressure anomaly (mb) : the departure from the climatological average

Interested in finding out more about weather averages and extremes for 1981-2010 for about 250 sites in the British Isles? Then the new publication Climatological averages for 1981-2010 and 2001-2010 is what you need.


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