The month so far - in the British Isles

Data for last month can be found here

The data below are for the month of May 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 1010.2 1030.5  995.7   41.0   9.0   9.8  12.4   8.0   4.9   8.6   0.2               7.3 -1.0   78              Baltasound          
03005 1009.6 1030.2  993.6   61.2   9.0   9.2  12.1   7.0   4.8   8.0   1.2  111.7  15.1  7.0 -1.0  114   70   -4.8  Lerwick             
03008 1009.6 1030.3  992.0   37.0   9.0   8.9  11.5   7.2   5.3   8.1   1.3               7.1 -3.3   89              Fair Isle           
03017                                                       5.1   8.4   0.6  117.3  14.4                  71*        Kirkwall            
03023 1008.4 1026.3  986.5   90.4  13.0  11.8  19.4   7.6   6.2  13.1   0.1               9.0 -1.2  155              South Uist Range    
03026 1009.2 1027.3  988.5   67.6   8.0  11.3  21.7   8.0   5.7  10.0  -0.1  149.0  15.9  8.5 -0.8  108        -4.7  Stornoway           
03031                                                       2.9   6.3  -4.0  116.6  14.1                             Loch Glascarnoch    
03034                                                       5.3  10.9  -0.9                                          Aultbea             
03044 1009.1 1027.5  989.5  104.6  28.0  12.4  23.8   6.9   2.8   7.7  -4.3  100.5  14.2  7.6 -1.4  172              Altnaharra          
03047 1008.7 1028.1  989.0  104.6  22.0                     3.3   8.9  -4.2                         124              Tulloch Bridge      
03062 1008.9 1028.9  989.5   94.6  14.0  11.7  21.2   8.1   4.6   8.2  -3.4               8.1 -1.5  194              Tain Range          
03063 1008.1 1027.1  988.1                                                                                           Aviemore            
03066 1008.7 1028.8  989.2   76.6  15.0  12.6  24.6   8.3   5.0   8.9  -1.7  154.7  15.0  8.8 -1.4  160   92*        Kinloss             
03068 1008.8 1029.0  989.5   69.0   8.0                     5.7   9.3   0.1                         143              Lossiemouth         
03080 1008.1 1027.7  989.6  146.2  21.0  12.8  22.4   7.8   3.5   7.8  -2.6               8.2 -1.2  247              Aboyne              
03088 1008.3 1029.8  990.8                                  5.2   9.3   0.4                                          Inverbervie         
03171 1008.5 1029.8  990.5  143.8  21.0  11.9  16.5   8.4   5.3   9.0  -0.3  121.2  11.6  8.6 -1.3  295   67*        Leuchars            
03100 1008.1 1027.4  986.1   63.0  18.0  11.9  16.7   7.5   6.1  11.1   0.9  220.7  13.7  9.0 -1.0  108        -5.9  Tiree               
03105 1007.9 1028.0  986.3   91.6  38.0  12.9  18.1   7.4   4.8  10.4  -2.4               8.8 -1.3  147              Port Ellen          
03111 1007.9 1028.1  987.0   87.4  35.0  12.7  19.7   7.4   5.4  10.5  -0.7               9.1 -1.3  138              Machrihanish        
03132 1008.2 1028.7  987.8   90.8  30.0  13.2  18.3  10.3   4.9   9.7  -2.5               9.1 -1.4  159              West Freugh         
03134 1008.2 1028.5  988.8                                  5.0  10.3  -1.3  124.9  14.1                             Glasgow Bishopton   
03136 1008.1 1028.3  988.6   54.8  11.0  13.5  21.9   7.5   5.1  11.2  -1.6  159.1  14.4  9.3 -1.4        74         Prestwick           
03144                                                       4.9   9.4  -1.7                                          Strathallan         
03153 1007.8 1028.4  985.4  106.8  26.0  12.4  19.3   7.5   5.9  10.8  -0.3  178.5  15.2  9.2                        Dundrennan          
03155 1007.9 1027.9  988.7   85.4   9.0  12.3  21.7   5.9   4.0   9.7  -1.7               8.1 -1.4  168              Drumalbin           
03158 1008.0 1028.7  988.0   97.4  14.0  13.4  21.6   8.8   4.5   8.1  -1.8  145.2  14.9  9.0 -1.0  190              Charterhall         
03162 1008.3 1028.4  987.2               12.8  22.1   5.7   2.5   9.5  -5.5  106.9  15.7  7.7 -1.5        70*  -6.8  Eskdalemuir         
03166 1008.3 1029.2  989.7  102.6  14.0  13.5  18.8   8.3   5.0   9.0  -1.1  101.0  10.1  9.3 -1.3  209   54         Edinburgh Gogarbank 
03204 1008.4 1028.8  985.9   90.2  22.0  13.0  19.4   9.7   7.3  11.2   1.6  230.7  15.8 10.1 -0.8  177  101         Ronaldsway          
03210 1008.3 1028.7  984.7  109.4  31.0  12.1  18.9   7.5   6.4  10.6   1.3               9.2 -1.2  176              St Bees Head        
03212                                                       4.9  10.2  -2.9                                          Keswick             
03214 1008.4 1028.9  983.3  135.0  29.0  13.6  21.9   9.3   6.8  11.7   0.6              10.2 -1.3  239              Walney Island       
03220                                                       5.4  11.6  -1.9                                          Carlisle            
03225 1008.3 1028.6  984.8                                  3.1   8.6  -5.8  133.0  14.0                             Shap Fell           
03226 1008.1 1028.3  984.5  133.2  13.0  12.5  20.3   5.8   4.2   9.5  -3.2               8.3 -1.8  235              Warcop Range        
03230                                                       2.6   9.3  -4.7                                          Redesdale           
03238 1008.0 1029.1  985.7   57.2   6.0  13.7  20.0   8.7   4.3   8.7  -2.2               9.0 -0.7  138              Albermarle          
03240 1008.5 1030.3  987.3   75.2  17.0  11.6  17.6   8.4   5.7   9.0   0.4  152.8  11.0  8.7 -1.1  167   77         Boulmer             
03257 1008.8 1030.5  985.6                                  5.0  12.1  -2.2  137.8  13.1                  80*  -6.6  Leeming             
03265 1009.0 1030.9  985.8  130.6  19.0  14.7  22.0   9.5   4.3  12.1  -4.4               9.5 -1.3  306              Topcliffe           
03266 1008.9 1030.9  985.8               15.0  22.7  10.3   5.5  12.6  -1.0              10.3 -1.1                   Linton-on-Ouse      
03275 1008.4 1029.8  986.0                                  5.2  11.4  -0.8                                          Loftus              
03292                                                       6.4  10.5   0.6                                          Bridlington         
03344 1008.7 1029.6  985.1  136.8  21.0  13.0  20.4   7.6   4.8  10.6  -0.5               8.9 -1.2  210              Bingley             
03354 1009.4 1030.3  987.8                                  6.1  11.4   0.7                                          Nottingham Wea Cen  
03373 1009.1 1030.4  987.8   79.4  15.0  14.8  21.4  10.6   5.6  12.3  -1.8              10.2 -1.0  169              Scampton            
03377 1009.4 1030.5  988.3   89.8  15.0  14.5  20.9   9.7   6.5  12.0   1.9  156.8  14.2 10.5 -1.1  189   79*  -6.1  Waddington          
03379 1009.6 1030.7  989.0                                  5.9  11.8  -0.3                                          Cranwell            
03382 1008.8 1030.8  986.9                                  5.7  12.5  -2.5                                          Leconfield          
03385 1009.1 1030.8  988.6                                                                                           Donna Nook          
03391 1009.5 1030.6  989.4   83.0  16.0                     6.3  12.2  -1.5                         179              Coningsby           
03392                                                       6.4  11.0  -1.0                                          Wainfleet           
03301 1008.8 1027.8  986.9  124.4  18.0  13.8  21.8   9.9                                                            Raf Mona            
03313 1008.9 1028.5  985.7  130.2  19.0  13.8  21.4   9.4   6.3  10.6   0.7              10.1 -1.4  233              Rhyl                
03316 1008.8 1028.7  984.8   99.0  12.0  14.3  22.5  10.0   7.4  11.7   0.4              10.9 -0.9  180              Crosby              
03318                       113.8  25.0                                                                              Blackpool           
03321 1009.1 1029.1  985.9  122.6  16.0  14.8  21.8   9.8   5.6  12.3  -0.6  173.8  14.1 10.2 -1.4  214              Hawarden            
03405                                    12.7  20.4   9.6   7.7  12.8   2.9              10.2 -1.0                   Aberdaron           
03409 1008.8 1028.1  987.1  232.2  40.0  13.4  21.1   9.4   4.3  11.2  -3.5  127.1  13.3  8.8 -1.4  319   76         Bala                
03410 1008.7 1028.1  987.1               11.7  18.4   7.9   4.4  10.6  -1.1               8.1 -1.7                   Lake Vrynwy         
03502 1009.3 1027.7  991.6  144.0  20.0  12.5  21.2   8.9   7.1  11.5   2.3  157.4  12.6  9.8 -1.0  266   76*  -6.0  Aberporth           
03503 1009.2 1027.6  990.7                                  5.5  11.7  -3.3                                          Trawscoed           
03507 1009.3 1027.5  991.3  229.2  36.0  12.5  19.8   8.7   4.5  10.4  -3.6               8.5                        Sennybridge         
03604 1009.5 1027.5  992.4  112.4  22.0  13.9  20.6  10.5   7.9  14.0   2.8              10.9                        Milford Haven       
03605 1009.8 1027.7  993.4  131.4  25.0  14.0  22.2  11.1   7.1  13.3  -3.1              10.5 -1.1  189              Pembrey Sands       
03609 1010.5 1028.5  993.1  120.0  23.0  14.0  20.5  10.9   8.5  13.0   3.6              11.2 -0.9  191              Mumbles             
03716 1010.0 1027.7  994.1  138.2  22.0  14.3  22.3  10.3   7.8  13.0   2.5  174.2  14.1 11.1 -0.9  215   79         St Athan            
03330                                                       5.1  10.9  -0.1                                          Leek Thorncliffe    
03414 1009.3 1029.0  987.3  117.0  13.0                     5.4  12.7  -2.3  149.2  13.6            218   91*        Shawbury            
03520                       125.4  17.0                     5.1  11.8  -2.3  161.8  14.1            227              Shobdon             
03522 1010.1 1028.6  991.0  115.2  15.0                     5.5  11.6  -1.6                         225              Hereford Credenhill 
03529 1010.3 1029.9  991.2  115.6   9.0  15.7  22.7  10.2   5.9  12.7  -2.3              10.8 -1.2  218              Pershore            
03535 1009.4 1029.3  989.3  105.8  12.0  14.7  22.5   9.8   5.9  12.2  -0.9              10.3 -1.3  200              Coleshill           
03544 1009.7 1029.5  990.3  100.4  15.0  14.6  22.0   9.8   6.1  12.1   0.1              10.3 -1.2  175              Church Lawford      
03647                       127.4  12.0                                                             198              Little Rissington   
03649 1010.2 1029.3  993.3  103.2  12.0  15.2  23.2  11.2   6.3  12.7   0.8  134.8  10.9 10.8 -1.2  168   68         Brize Norton        
03658 1010.4 1029.1  994.7   99.2   8.0  15.3  23.3  11.8   5.1  12.7  -2.1              10.2 -1.7  185              Benson              
03660 1010.3 1029.1  994.7   98.0   8.0  14.4  22.3  10.6   6.1  12.2   1.3              10.3 -1.2  145              High Wycombe        
03462 1009.4 1029.6  990.1                                  5.9  12.0   0.3  141.3  11.0                  72         Wittering           
03469 1009.7 1030.4  990.7   90.4  17.0  14.4  20.4   9.6   6.0  11.8  -1.1              10.2 -1.4  169              Holbeach            
03482 1009.9 1029.8  991.8   98.2  17.0  15.0  22.5   8.8   5.5  11.9  -2.9              10.2 -1.7  184              Marham              
03488 1009.6 1030.2  990.6                                  6.9  11.7   1.3                                          Weybourne           
03560                                                       6.2  11.9   1.8                                          Bedford             
03590 1010.2 1029.0  994.7   75.2  12.0  14.6  21.3   9.9   6.0  10.3  -0.2  155.2  14.8 10.3 -1.3  148   84*        Wattisham           
03684 1010.1 1029.0  994.9   96.2  10.0  14.7  21.8  11.4   6.0  10.2  -0.1              10.4 -1.2  200              Andrewsfield        
03693 1010.7 1029.3  997.0   50.6   8.0  15.1  19.2  12.0   7.4  10.8   0.1  192.7  14.6 11.3 -0.7  118              Shoeburyness        
03707 1010.3 1027.1  994.3  134.6  14.0                     7.4  11.9   0.2                         236              Chivenor            
03710                       218.2  35.0  12.8  20.4   8.8   5.0  10.0  -0.4               8.9 -1.4  256              Liscombe            
03740 1010.3 1028.5  994.5                                  6.2  12.1   0.0                                    -5.4  Lyneham             
03743 1010.5 1027.8  996.0   94.8  15.0  14.9  22.8  11.0   6.0  11.8  -0.8              10.4 -1.2  180              Larkhill            
03808                       117.8  17.0                     7.8  12.1   2.8                         181              Camborne            
03809 1011.0 1025.9  994.0  105.6  15.0  13.4  18.4  10.7   7.7  11.7  -0.6              10.5 -0.9  176              Culdrose RNAS       
03823 1010.4 1025.7  994.3  164.4  19.0  13.5  20.3  10.0   6.4  11.3   0.8               9.9 -1.4  189              Cardinham           
03840                       181.0  26.0                                                             250              Dunkeswell          
03853 1010.6 1027.4  996.1   98.6  15.0  15.1  23.3  11.4   6.2  11.5  -1.2  154.9  13.9 10.6 -1.4  203   80         Yeovilton           
03857                        73.6  18.0  13.0  16.5  11.4   8.9  11.8   4.0              11.0 -0.7  167              Isle of Portland    
03672 1010.6 1029.4  995.8  100.4  13.0  16.2  24.8  12.3   6.9  12.6  -0.2              11.5 -1.3  179              Northolt            
03746 1010.5 1027.9  996.3   92.0  11.0  15.0  23.1  11.0   5.9  12.0  -0.2              10.4 -1.5  169              Boscombe Down       
03749 1010.7 1028.1  996.8   89.6  11.0  15.1  23.7  11.4   6.2  12.8  -0.5              10.6 -1.5  180              Middle Wallop       
03761 1010.7 1028.6  996.8   99.6  11.0  15.0  23.5  11.6   6.3  12.7  -0.8  139.4  12.5 10.6 -1.4  191   67         Odiham              
03768 1010.7 1028.8  996.8   94.4  14.0  15.5  23.9  11.5   5.7  11.9  -2.2              10.6                        South Farnborough   
03769 1010.7 1028.4  997.4  100.2  21.0  15.8  24.1  12.3   5.5  11.9  -2.0  150.5  12.1 10.6 -1.5  181   75         Charlwood           
03772 1010.7 1029.4  996.1   81.8  14.0  16.5  24.1  12.8   7.3  12.7   1.6  131.9  10.0 11.9 -1.3  166   75*  -5.1  Heathrow            
03781 1010.7 1028.6  997.2   85.6   9.0  14.5  21.7  11.0   6.3  11.2   0.0              10.4 -1.6  145              Kenley              
03796 1011.2 1028.3  998.5               14.0  21.6   9.8   7.3  10.0   1.9              10.6                        Langdon Bay         
03862 1010.9 1027.4  997.1  106.6  13.0  15.4  23.1  11.7   5.6  12.1  -2.0  161.5  14.6 10.5 -1.5  220   83*  -4.8  Bournemouth Hurn    
03866                                                       8.6  11.3   4.2                                          St Catherines Point 
03872 1011.0 1027.8  997.5                                  6.6  11.2  -0.1                                          Thorney Island      
03876 1011.4 1028.3  998.1   45.2   7.0  15.0  21.2  12.1   6.7  11.5  -0.5              10.8 -1.0  102              Shoreham            
03894 1012.4 1025.5  997.9                                                                                     -3.6  Guernsey Airport    
03895                        84.4  11.0  14.8  22.2   9.9   8.6  12.5   3.6  224.4  14.1 11.7 -0.8  152   95         Jersey Airport      
03901 1007.0 1026.9  983.2  116.2  19.0  14.5  21.7   8.6   4.9  10.9  -2.2  157.8  10.7  9.7                        Thomastown          
03907 1007.7 1027.4  984.5   88.8  17.0  13.8  23.0   8.8   5.7  11.8   0.1  163.1  12.2  9.8                        Magilligan          
03911 1007.7 1027.4  985.0                                                                                           Lough Fea           
03915 1007.2 1027.4  985.0                                  5.4  10.9  -1.1                                          Port Glenone        
03916 1007.9 1027.7  986.0  142.4  38.0  11.9  19.2   7.6   5.1  10.5  -0.9               8.5 -1.0  177              Ballypatrick Forest 
03917                                                       5.5  11.1  -1.6                                          Aldergrove          
03923 1007.2 1027.2  984.9  139.6  25.0  13.3  19.9   8.0   5.0  10.3  -0.3               9.1 -1.4  204              Glennane            
03953 1008.2 1026.3  981.2  176.5  18.0                     7.0  11.4   0.5                         189        -6.7  Valentia            
03955 1008.4 1026.7  985.0  173.1  23.0  13.1  19.0  10.2   6.2   9.7   2.1  197.6  15.2  9.6 -1.2  211  101   -6.6  Cork Airport        
03956 1008.7 1027.9  988.4  128.5  22.0  13.2  18.7  10.4                                                      -6.3  Johnstown Castle    
03962 1007.9 1026.9  982.2   93.6  17.0  14.7  22.6  11.0   6.5  10.9  -0.6  213.8  15.0 10.6 -1.5  145  117   -6.7  Shannon Airport     
03967 1007.9 1027.3  986.0  111.3  13.0  14.5  22.2  10.5   4.8  10.6  -2.7  218.4  13.4  9.6                        Casement Aerodrome  
03969 1008.1 1028.0  986.7   81.9  16.0  14.1  20.4  10.1   4.7  10.4  -1.9  214.2  15.2  9.4 -1.5  137  108   -6.4  Dublin Airport      
03973 1007.3 1026.3  981.2  118.7  14.0  12.9  20.6   8.3   5.0   8.5   0.2               9.0                        Connaught Airport   
03976 1007.2 1026.0  979.5   96.2  15.0  13.5  18.5   9.9   6.4  12.1   1.1               9.9 -1.3  137        -6.8  Belmullet           
03952 1008.5 1027.1  985.3  150.1  23.0                     7.7  10.9   3.0                                          Roches Point        
03970 1007.3 1026.5  981.0  130.7  16.0  14.6  22.5  10.2   4.3   9.6  -2.4               9.4                        Claremorris         
03971 1007.6 1027.0  984.4  106.3  15.0  14.5  21.6  10.2   4.3  10.5  -3.3               9.4                        Mullingar           
03978 1007.4 1026.5  982.8   82.2  13.0                     6.1  11.0  -1.5                                          Finner              
03961 1008.4 1027.6  986.4  118.6  15.0  14.4  21.4  10.5   5.3  10.8  -1.4               9.9                        Oak Park            
03979 1007.4 1027.0  984.0   86.1  16.0  14.3  21.6   9.9   5.0  10.9  -1.9               9.6                        Ballyhaise          
03966 1007.9 1026.9  983.5   96.5  14.0  14.3  21.4  10.2   5.0  10.0  -3.0               9.6                        Gurteen             
03963 1007.3 1026.7  979.2  110.7  16.0  13.0  17.9  10.2   7.2  11.2   1.2              10.1                        Mace Head           
03951 1008.7 1026.8  984.2  126.7  21.0  12.9  17.0  11.1   8.1  10.7   2.4              10.5                        Sherkin Island      
03980 1007.6 1027.0  983.9   98.1  11.0  12.5  21.5   8.1   6.6  11.0   1.4               9.6 -0.9  168        -6.5  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 May 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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