The month so far - in the British Isles

The data below are for the month of Apr 2025.

Data for last month can be found here

 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 1018.3 1035.0  992.5   34.8   8.0  10.7  15.2   7.6   5.9   9.3   2.2               8.3 +1.8   57              Baltasound          
03005 1018.3 1034.0  992.7                                                                                     +6.4  Lerwick             
03008 1017.9 1033.0  993.4   16.4   4.0   9.7  12.9   7.6   6.7   8.9   3.5               8.2 +1.8   35              Fair Isle           
03026 1017.2 1033.3  993.6   41.6   9.0  12.7  17.5   8.2   5.8  10.8   0.4  213.6  13.7  9.3 +1.8   56  137   +5.4  Stornoway           
03031 1017.6 1033.7  994.9   31.0   7.0  14.3  21.2   7.5   1.4  10.4  -4.5  191.1  12.4  7.8 +1.7   30  150         Loch Glascarnoch    
03034 1017.5 1032.8  994.6   50.4  16.0  14.6  19.9   9.3   5.2  11.1   1.2               9.9 +1.8   65              Aultbea             
03044 1017.8 1034.2  994.8   21.2   6.0  15.4  23.2  10.7   1.6  11.3  -5.5  176.0  12.5  8.5 +1.6   28  133         Altnaharra          
03047 1018.4 1033.2  996.3   43.4   6.0  14.2  20.9   7.5   2.3  10.7  -3.7  177.1  11.4  8.3 +1.7   42              Tulloch Bridge      
03062 1018.1 1034.2  995.6   17.6  12.0  14.0  23.3   9.2   3.6  11.9  -2.7               8.8 +1.2   41              Tain Range          
03063 1017.5 1033.6  995.7                                                                                           Aviemore            
03066 1018.0 1034.1  996.0                                                                                           Kinloss             
03068 1018.0 1034.0  996.2                                                                                           Lossiemouth         
03075 1018.2 1034.2  995.5                                                                                           Wick                
03080 1018.3 1033.3  996.4   13.2   3.0  15.1  24.4   8.9   2.0  13.3  -4.4               8.5 +1.5   23              Aboyne              
03091 1018.8 1033.6  996.4    8.0   3.0  13.3  21.0   9.3                    165.0  12.6             14  107   +6.1  Aberdeen Dyce       
03171 1018.7 1033.5  997.3                                                                                           Leuchars            
03100 1017.1 1031.7  995.0   60.6  10.0  12.9  17.1   9.0   6.3  10.6   1.7  224.2  13.2  9.6 +1.6   84  120   +4.8  Tiree               
03105                                    13.5  18.4   7.5                                                            Port Ellen          
03111 1017.4 1031.9  996.8   51.2  13.0  14.0  20.1   8.1   5.8  11.3   2.1               9.9                        Machrihanish        
03132 1017.6 1031.7  996.6                                                                                           West Freugh         
03134 1018.5 1032.9  997.2   50.0  10.0  15.2  22.5   8.8   4.6  10.9   1.0  208.1  12.8  9.9 +1.7   68  140         Glasgow Bishopton   
03136 1017.6 1032.0  997.4                                                                                           Prestwick           
03144                        34.4   7.0                     3.6  11.4  -1.4                          64              Strathallan         
03153 1017.6 1032.1  995.8   53.6  15.0  12.8  20.4   8.0   5.8   9.7   1.7  219.4  12.6  9.3 +1.6   74              Dundrennan          
03155 1018.0 1032.6  997.8   28.6   8.0  14.2  22.0   7.5   3.7   9.7  -2.0               8.9 +2.0   57              Drumalbin           
03158 1018.9 1033.1  998.1    8.6   4.0  14.3  23.2   8.9   3.9  10.4  -1.4  174.8  12.7  9.1 +1.4   18  105         Charterhall         
03162                        49.6  16.0  14.0  22.1   7.8   2.6   9.5  -2.8  183.6  12.7  8.3 +1.7   49  138         Eskdalemuir         
03166 1018.3 1033.3  997.8                                                                                           Edinburgh Gogarbank 
03204                                                       7.2  10.0   3.3  211.1  12.5                 116         Ronaldsway          
03210                        31.4  12.0  13.7  20.5   8.3   6.4  10.9   2.1              10.1 +2.2   52              St Bees Head        
03214 1018.1 1032.9  994.3   28.0   8.0  15.0  22.4   9.6   6.7  10.0   2.4              10.9                        Walney Island       
03220 1018.6 1032.8  996.1   18.0   6.0  15.3  22.3  10.6   5.2  11.4   0.2              10.2 +1.7   37              Carlisle            
03224 1018.0 1032.6  997.0                                                                                           Spadeadam           
03225 1018.3 1031.9  995.6   34.6  12.0                     2.3   9.3  -3.4  209.5  12.5             37              Shap Fell           
03226 1018.0 1031.8  995.5    5.6   1.0  14.1  23.0   8.2   4.3   9.5  -1.8               9.2 +1.8   11              Warcop Range        
03230 1018.6 1032.6  997.8   11.6   4.0  14.2  23.8   9.1   1.5   7.8  -3.7               7.9 +1.1   20              Redesdale           
03240 1019.2 1032.3  998.1    5.0   1.0  12.3  21.0   8.0   4.7   9.3  -0.3  178.2  12.6  8.5 +0.6   10  106         Boulmer             
03257 1019.2 1032.2  997.0    3.4   2.0  15.9  24.4   9.6                    206.9  12.6              7  135   +5.3  Leeming             
03281                        12.6   4.0                                                              18              Fylingdales         
03292 1019.0 1032.0  996.8   17.2  12.0  14.4  20.6  10.2   6.2   9.0   1.6              10.3 +1.9   38              Bridlington         
03344 1018.4 1031.8  997.3                                                                                           Bingley             
03346                        12.2   5.0                                                                              Emley Moor No.2     
03354 1018.4 1031.3  996.5                                                                                           Nottingham Wea Cen  
03377 1018.9 1032.8  996.0   11.8   5.0  16.0  23.7  11.8   5.6   9.8   1.3  239.7  12.7 10.8 +1.8   27  143   +4.7  Waddington          
03379 1018.6 1031.0  996.4                                                                                           Cranwell            
03382 1019.1 1032.4  997.0   11.8   7.0  15.0  24.2  10.3   4.0   8.6  -2.2  222.6  12.6  9.5 +0.9   26  138         Leconfield          
03385 1019.2 1032.6  996.6               13.3  21.1   9.4   6.3   9.9  -0.4               9.8                        Donna Nook          
03391 1018.6 1031.1  996.2                                                                                           Coningsby           
03392 1018.8 1031.0  996.1                                                                                           Wainfleet           
03302 1017.0 1031.7  995.7                                                                                     +3.2  Valley              
03301 1017.2 1032.8  993.7               15.3  23.2   9.3                                                            Raf Mona            
03305 1017.4 1032.1  993.9   62.4  14.0  15.0  24.2   8.4   4.8   9.3  -1.8               9.9 +2.1   40              Capel Curig         
03313 1017.6 1032.8  993.9   26.8   6.0  15.7  23.0   9.5   5.9  10.1   1.0              10.8 +1.8   55              Rhyl                
03316 1017.8 1031.8  996.0                                                                                           Crosby              
03318                        19.8   4.0                                                              41              Blackpool           
03321 1018.3 1033.1  994.2   23.8   9.0  16.6  24.8  10.6   4.6   9.8   0.2  213.0  12.5 10.6 +1.5   48  120         Hawarden            
03405 1017.4 1032.5  997.2                                                                                           Aberdaron           
03409 1017.3 1032.0  993.7   38.0  16.0  15.9  25.1   8.9   3.8   9.3  -2.1  179.6  11.3  9.8                        Bala                
03410 1017.2 1031.2  994.2   52.8  22.0  13.3  21.4   5.6   4.5   7.8  -0.2  184.2  12.5  8.9 +1.8   55  127         Lake Vrynwy         
03502 1016.5 1032.2  997.2                                                                                     +2.3  Aberporth           
03503 1016.7 1032.4  996.3                                                                                           Trawscoed           
03507 1016.9 1030.5  995.7                                                                                           Sennybridge         
03716 1017.1 1032.9  995.1   92.8  19.0  16.1  23.9  10.3   6.9  10.8   3.2  222.2  12.8 11.5 +2.1  147  122         St Athan            
03330 1017.8 1030.9  996.6                                                                                           Leek Thorncliffe    
03414 1017.9 1031.2  996.9                                                                                           Shawbury            
03520 1018.0 1032.9  996.3   34.0  10.0  16.2  23.8  10.0   3.5  10.3  -1.0  202.0  12.7  9.8 +1.1   58  122         Shobdon             
03522 1018.0 1031.8  996.4                                                                                           Hereford Credenhill 
03529 1018.6 1033.5  996.5   22.0  10.0  17.3  24.8  13.6   4.1   9.8  -1.2              10.7 +1.4   46              Pershore            
03544 1018.2 1032.9  996.2   23.4  17.0  16.4  24.1  12.9   4.4   9.0  -1.4              10.4 +1.5   50              Church Lawford      
03647 1017.2 1031.0  995.4                                                                                           Little Rissington   
03649 1017.6 1031.4  995.3                                                                                           Brize Norton        
03658 1017.9 1032.7  995.7   13.0  10.0  17.6  25.4  14.2   3.7  10.7  -1.9              10.7 +1.7   27              Benson              
03462 1018.5 1032.7  995.9   18.8   4.0  16.3  23.4  11.3   5.0   9.4   0.7  228.6  12.9 10.6 +1.7   43  136         Wittering           
03469 1018.9 1032.7  995.9   22.4  13.0  15.0  22.3  11.3   5.1   8.8   0.9              10.1 +0.9   53              Holbeach            
03482 1018.6 1031.0  996.2                                                                                           Marham              
03931 1018.5 1031.9  995.8   13.8   7.0  16.0  23.7  10.2                    239.3  13.5                             Tibenham            
03560 1018.6 1032.9  996.2   25.4  10.0  16.8  24.0  11.2   5.0   8.8   0.4              10.9 +1.8   57              Bedford             
03590 1018.5 1032.0  995.4   21.6   7.0  16.0  23.4  10.6   5.5   9.8   0.3  246.3  13.6 10.8 +1.8   56  135         Wattisham           
03684 1018.1 1032.1  995.4   23.0   8.0  16.2  23.1  11.7                                            60              Andrewsfield        
03693 1018.2 1031.4  995.9                                                                                           Shoeburyness        
03740 1017.6 1032.8  995.5   17.6  13.0  16.7  24.6  12.5   5.1   9.6   0.8  204.6  13.2 10.9 +1.9   33  118   +3.0  Lyneham             
03743 1017.2 1031.1  995.0                                                                                           Larkhill            
03803 1015.3 1031.1  997.0                                                                                           Scilly/St. Marys    
03808 1015.7 1031.8  996.3  118.0  31.0  14.5  21.5   7.4   8.0  13.6   3.6  202.1  12.9 11.2 +1.9  162  108   +1.1  Camborne            
03809 1015.5 1030.9  995.3                                                                                           Culdrose RNAS       
03823 1015.5 1031.2  995.2  122.4  27.0  15.1  23.6   7.3   6.8  13.5   2.7              10.9 +2.1  134              Cardinham           
03827 1016.0 1031.7  994.4  123.6  33.0  16.1  23.6  10.0   7.9  14.0   3.7              12.0 +2.2  180              Plymouth            
03853 1016.9 1031.4  994.7                                                                                           Yeovilton           
03844 1016.7 1032.5  994.2   82.2  20.0  16.3  23.8  11.3                    206.5  13.3                             Exeter AirportNo2   
03930 1017.4 1031.5  995.2                                                                                           Almondsbury         
03857 1016.9 1032.3  994.2   24.6  12.0  13.6  17.9  10.2   8.1  12.1   4.6              10.8 +1.4   52              Isle of Portland    
03746 1017.1 1031.0  995.0                                                                                           Boscombe Down       
03749 1017.5 1032.6  995.2   14.4   9.0  17.5  25.5  12.8   5.2  10.9   0.4              11.4 +2.0   24              Middle Wallop       
03761 1017.4 1031.0  995.6                                                                                           Odiham              
03769 1017.3 1030.8  995.3                                                                                           Charlwood           
03770                        18.6   9.0                                                                              St James Park       
03772 1018.0 1031.3  995.7                                                                                     +3.4  Heathrow            
03796 1018.0 1031.6  995.8               14.8  22.5   9.2   7.0   9.6   3.2              10.9                        Langdon Bay         
03797 1018.3 1031.5  995.8                                                                                     +3.6  Manston             
03862 1017.3 1032.7  994.9   40.4  14.0  16.9  24.4  11.4   3.9   9.8  -1.5  224.1  13.9 10.4 +1.2   70  119   +2.6  Bournemouth Hurn    
03866 1017.0 1032.2  994.5   20.2   9.0                     8.3  12.7   4.1                                          St Catherines Point 
03872 1017.4 1032.6  995.1   20.0  14.0  16.2  23.5  11.9   6.4  11.4   1.4              11.3 +1.6   40              Thorney Island      
03876 1017.6 1032.5  995.4   21.6  15.0  16.1  23.0  11.8   5.9  10.6   0.8              11.0 +1.8   48              Shoreham            
03882 1017.5 1031.0  995.6                                                                                           Herstmonceux        
03895 1015.7 1030.2  992.4   31.6   8.0  16.1  25.8  11.2   8.3  13.5   5.0  254.8  13.7 12.2                        Jersey Airport      
03896                        32.8   9.0  16.9  25.9  11.9                    275.0  13.5                             St Helier           
03901 1016.0 1032.0  995.6   92.0  17.0  15.2  22.9   7.3   5.5  11.6  -0.4  183.2  12.4 10.3                        Thomastown          
03904 1016.2 1031.4  995.7                                                                                           Castlederg          
03907 1017.0 1032.2  996.0   55.4  12.0                     5.6  12.7  -1.3  187.1  12.4                             Magilligan          
03911 1016.9 1031.5  996.5  115.0  25.0  13.8  21.5   5.8   5.1  10.8   0.6               9.4 +2.2  123              Lough Fea           
03915 1016.5 1031.0  996.5                                                                                           Port Glenone        
03916 1017.2 1031.9  996.7   83.2  21.0  13.3  22.9   6.4   5.4  11.5   0.3               9.4 +1.9  104              Ballypatrick Forest 
03917 1017.1 1032.5  997.1   47.4   8.0  15.1  22.6   7.1   6.3  11.4   1.8  201.1  12.7 10.7 +2.3   85  127   +3.9  Aldergrove          
03923 1016.3 1031.7  996.4   83.0  19.0  13.9  21.0   6.2   5.7  10.3   1.7               9.8 +1.7  114              Glennane            
03953 1014.6 1032.2  997.0   97.2  18.0  15.2  24.7  10.8   8.4  14.5   0.3              11.8 +2.2  101        +0.8  Valentia            
03955 1015.4 1032.1  997.4  116.9  17.0  13.9  19.4  10.9   6.9  10.9   2.8  190.4  12.4 10.4 +1.9  135  119   +1.4  Cork Airport        
03956 1016.4 1032.9  998.3  100.9  17.0  13.3  19.5   8.3   7.2  11.2   1.4              10.2                        Johnstown Castle    
03962 1015.6 1032.6  996.7   94.1  17.0                     7.6  12.8   2.5  200.4  12.0            151  124   +2.0  Shannon Airport     
03967 1016.3 1032.4  997.1   62.8  15.0                     5.7  11.5   0.3  190.6  12.9            120  122         Casement Aerodrome  
03969 1016.7 1032.8  996.6   87.7  15.0  14.3  21.7   7.8   5.1  11.8  -0.8  192.2  13.1  9.7 +1.6  159  119   +3.0  Dublin Airport      
03973 1015.6 1032.2  995.5   88.8  21.0                     5.9  10.5   1.5                                          Connaught Airport   
03976 1015.1 1032.4  993.9   75.4  16.0  15.3  22.2   7.8   7.4  12.1   2.9              11.3 +2.1  102        +2.3  Belmullet           
03952 1015.6 1032.4  997.8  109.1  29.0  13.5  18.4  11.4   8.2  11.6   3.7              10.8                        Roches Point        
03970 1015.7 1032.7  995.5   80.2  15.0  15.9  24.7   7.3   5.3  11.6  -1.8              10.6                        Claremorris         
03971 1016.1 1032.4  996.7   86.5  17.0  15.3  24.4   8.3   5.0  11.2  -2.3              10.2       124              Mullingar           
03978 1016.1 1032.6  995.4   81.7  12.0  15.4  23.7   7.9   6.6  12.6   2.0              11.0                        Finner              
03961 1016.5 1032.9  997.9   79.9  15.0  15.7  23.4   8.6   5.7  11.2  -0.4              10.7                        Oak Park            
03979 1016.3 1032.6  996.4   94.8  18.0                                                                              Ballyhaise          
03966 1015.9 1032.7  996.7   77.3  16.0                     5.7  11.3  -1.0                                          Gurteen             
03963 1015.0 1032.3  995.2   72.0  14.0  14.8  22.8   7.9   8.1  12.5   3.3              11.5                        Mace Head           
03951 1015.0 1032.1  997.8   58.5  15.0                     8.5  11.9   3.7                                          Sherkin Island      
03980 1016.6 1031.7  995.1   62.0   9.0                                                              97        +4.0  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 2025 ending at 18GMT on day 30.

Averages refer to the period 1991-2020 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