The month so far - in the British Isles

The data below are for the month of May 2025.

 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 1022.3 1032.7 1007.9   19.8   8.0  13.0  18.1   8.8   6.6   9.5   1.4               9.8 +1.4   37              Baltasound          
03005 1022.4 1032.7 1009.3                                                                                     +7.9  Lerwick             
03008 1022.3 1031.2 1010.7                                  7.6   9.5   4.0                                          Fair Isle           
03017 1023.3 1032.7 1012.0                                                                                           Kirkwall            
03026 1023.6 1031.5 1011.7    2.2   0.8  13.4  17.7   9.0   6.9  10.1   1.6  131.9  15.3 10.1 +0.7    3   64   +9.4  Stornoway           
03031 1023.1 1030.7 1011.8    6.8   4.0  16.4  21.9   7.6   2.9   9.0  -2.8  164.3  15.0  9.7 +0.9    7   91         Loch Glascarnoch    
03034 1023.7 1031.4 1012.3    2.4   1.0  15.2  20.9   9.5   6.2   9.7   1.0              10.7 +0.4    3              Aultbea             
03044 1023.5 1031.5 1011.9   10.0   3.0  16.6  21.5   8.5   2.2   9.3  -4.7  139.5  15.4  9.4 +0.2   14   81         Altnaharra          
03047 1023.3 1030.8 1012.7    0.8   0.4  17.9  24.4  10.8   3.6  10.1  -2.9  157.2  14.2 10.7 +1.4    1              Tulloch Bridge      
03062 1023.6 1032.0 1012.9    0.8   0.6  15.5  22.0  11.0   4.5  10.0   0.3              10.0 +0.3    2              Tain Range          
03063 1022.5 1030.6 1011.8                                                                                           Aviemore            
03066 1023.6 1032.5 1012.4                                                                                           Kinloss             
03068 1023.6 1032.7 1012.4                                                                                           Lossiemouth         
03075 1023.5 1032.8 1013.1                                                                                           Wick                
03080 1022.6 1030.3 1013.1    0.8   0.6  18.0  22.3  10.2   3.0   9.4  -1.9              10.5 +0.9    1              Aboyne              
03088 1022.7 1029.7 1012.7    1.8   1.0  13.7  19.3   9.2   6.3  10.9   2.4              10.0                        Inverbervie         
03091 1022.9 1030.3 1013.7    3.8   2.0  15.4  20.4   9.5   6.7  12.0   0.7  170.7  15.5 11.0 +1.1    7   84   +7.9  Aberdeen Dyce       
03171 1023.0 1030.4 1013.5                                                                                           Leuchars            
03100 1023.5 1031.2 1012.3    0.6   0.2  15.0  21.4  10.7   7.2  10.6   2.6  186.9  15.3 11.1 +0.9    1   78   +9.1  Tiree               
03105                         1.6   1.0  17.3  24.4  12.3   6.8  14.2   0.8              12.0                        Port Ellen          
03111 1023.0 1030.7 1012.7    0.2   0.2  16.6  24.2  11.6   6.7  10.5   1.8              11.7                        Machrihanish        
03132 1022.5 1029.5 1012.2                                                                                           West Freugh         
03134 1023.2 1030.6 1013.2    0.4   0.4  19.1  24.8  13.6   5.5   9.9   0.3  196.4  15.0 12.3 +1.4    1  100         Glasgow Bishopton   
03136 1022.7 1029.5 1012.2                                                                                           Prestwick           
03144 1023.4 1030.6 1014.2               18.9  23.3  13.0   4.7  10.1  -2.0              11.8 +1.3                   Strathallan         
03153 1022.0 1029.3 1012.0    0.0   0.0  17.3  22.0  12.4   6.4  11.1   1.2  209.9  14.7 11.9 +1.4    0              Dundrennan          
03155 1022.5 1029.9 1012.6    0.8   0.8  17.4  22.3  11.9   3.9   9.4  -1.3              10.6 +1.0    1              Drumalbin           
03158 1023.0 1029.8 1014.3    0.8   0.8  16.4  21.5   9.9   5.2   9.0   0.1  162.4  14.9 10.8 +0.6    2   86         Charterhall         
03162 1022.5 1029.4 1013.6    0.0   0.0  17.8  22.2  11.1   3.0   8.1  -2.3  194.4  15.3 10.4 +1.0    0  115   +6.9  Eskdalemuir         
03166 1022.8 1030.2 1012.0                                                                                           Edinburgh Gogarbank 
03204 1022.4 1029.8 1011.5                                                                                           Ronaldsway          
03210 1022.1 1029.4 1011.4                                  7.1  10.7   2.9                                          St Bees Head        
03212 1022.2 1029.4 1011.9    0.8   0.8  19.3  24.5  12.9   5.1  10.6   0.3              12.2 +0.9    1              Keswick             
03214 1022.0 1029.3 1011.2                                  7.7  14.5   2.7                                          Walney Island       
03220 1022.7 1029.8 1013.5    0.4   0.4  18.7  23.2  12.0   5.6   9.2   1.4              12.1 +0.8    1              Carlisle            
03224 1021.8 1028.6 1011.7                                                                                           Spadeadam           
03225                         0.0   0.0  17.1  22.8  10.0   1.2   6.2  -2.7  182.4  14.6  9.2 -0.3    0              Shap Fell           
03226 1021.6 1028.5 1011.6    0.0   0.0  17.2  22.3  10.2   4.5   8.9  -1.0              10.8 +0.6    0              Warcop Range        
03230 1022.5 1029.3 1014.1    0.2   0.2  16.8  22.3   9.9                                             0              Redesdale           
03238 1021.9 1029.0 1012.7                                                                                           Albermarle          
03240 1022.8 1029.7 1014.4    7.0   6.0  13.8  24.5  10.1   6.7   9.8   2.0  164.1  14.5 10.2  0.0   16   78         Boulmer             
03257 1022.4 1029.1 1013.7    1.2   0.6  17.7  25.9  11.2   5.2   8.1  -0.6  156.4  14.6 11.4 +0.2    3   80   +6.6  Leeming             
03265 1021.9 1028.6 1012.6                                                                                           Topcliffe           
03281                         6.8   2.0                                                              12              Fylingdales         
03292 1021.5 1027.2 1012.9    0.6   0.6  14.5  18.7  11.3   8.4  11.2   4.6              11.4 +0.3    1              Bridlington         
03344 1021.4 1027.9 1012.0                                                                                           Bingley             
03346                         0.0   0.0                                                                              Emley Moor No.2     
03354 1020.9 1027.3 1011.1                                                                                           Nottingham Wea Cen  
03377 1021.2 1027.7 1011.4    3.4   3.0  17.8  26.0  11.5   7.5  11.6   4.2  147.5  14.8 12.7 +0.7    7   70   +5.3  Waddington          
03379 1020.9 1026.8 1011.4                                                                                           Cranwell            
03382 1021.6 1027.7 1013.0    1.4   1.0  16.6  26.2  11.8                    139.1  14.6              3   68         Leconfield          
03385 1021.4 1027.5 1012.6               14.0  26.2  10.8   9.1  12.3   5.3              11.5                        Donna Nook          
03391 1020.9 1026.8 1011.4                                                                                           Coningsby           
03392 1021.0 1027.0 1011.7                                                                                           Wainfleet           
03302 1021.4 1028.6 1010.4                                                                                     +5.8  Valley              
03301 1021.6 1029.3 1010.5               16.8  22.5  12.7                                                            Raf Mona            
03305                                    17.2  23.5  10.5                                                            Capel Curig         
03313 1021.8 1029.4 1010.9    0.6   0.4  17.7  24.4  12.3   6.2  11.2   2.7              11.9 +0.2    1              Rhyl                
03316 1021.4 1028.3 1011.1                                                                                           Crosby              
03318                         0.0   0.0                                                               0              Blackpool           
03321 1022.0 1029.1 1011.4    0.4   0.4  19.2  26.0  13.5   5.7  10.1   0.2  192.1  14.6 12.4 +0.5    1   92         Hawarden            
03410 1020.6 1027.6 1010.2                                                                                           Lake Vrynwy         
03502 1020.5 1028.1 1009.9                                                                                     +4.5  Aberporth           
03503                                    19.3  25.5  14.2                                                            Trawscoed           
03604 1020.4 1028.1 1009.5                                                                                           Milford Haven       
03605                         9.8   6.0  18.8  26.2  14.0                                            14              Pembrey Sands       
03716 1020.1 1027.7 1009.9    2.0   2.0  18.8  25.9  14.1   8.7  12.2   4.0  177.4  14.3 13.7 +1.5    3   78         St Athan            
03330 1020.6 1027.0 1010.4                                                                                           Leek Thorncliffe    
03520 1021.1 1028.3 1010.6    5.8   4.0  19.0  25.3  13.3   4.3  10.6  -0.1  168.3  14.3 11.7 -0.0   10   79         Shobdon             
03522 1020.7 1027.6 1009.6                                                                                           Hereford Credenhill 
03529 1021.5 1028.5 1011.2    4.6   3.0  19.6  27.0  13.4   5.2  12.2   0.1              12.4 +0.0    9              Pershore            
03535 1020.3 1027.2 1009.9                                                                                           Coleshill           
03544 1020.7 1027.4 1010.6    0.2   0.2  18.6  26.4  12.4   5.9  10.1   1.4              12.2 +0.4    0              Church Lawford      
03647 1019.5 1026.3 1008.6                                                                                           Little Rissington   
03649 1019.7 1026.2 1008.8                                                                                           Brize Norton        
03658 1020.1 1027.6 1010.5   10.0  10.0  19.8  27.5  14.1   4.7  11.8   0.2              12.3 +0.3   19              Benson              
03462 1020.6 1027.1 1010.8    0.0   0.0  18.2  26.4  11.8   7.2  11.9   3.1  147.3  14.6 12.7 +0.8    0   72         Wittering           
03469 1020.9 1027.0 1011.4    1.0   0.8  16.9  26.5  12.7   7.0  11.7   3.5              11.9 -0.1    2              Holbeach            
03482 1020.4 1026.6 1011.1                                                                                           Marham              
03488 1020.6 1026.3 1011.7    0.4   0.2  14.4  20.8  11.2   9.2  11.7   5.7  126.0  14.6 11.8 -0.0    1              Weybourne           
03931 1019.8 1025.6 1011.1    1.2   0.4  17.4  26.3  11.9   6.0  11.1   1.4  148.5  14.3 11.7                        Tibenham            
03560 1020.6 1027.3 1011.0    1.0   1.0  18.4  26.9  12.2   7.0  12.0   3.2              12.7 +0.7    2              Bedford             
03590 1019.8 1026.1 1011.0    4.0   4.0  18.1  25.9  12.8   6.7  11.9   2.1  154.9  14.6 12.4 +0.3    8   71         Wattisham           
03684 1019.7 1026.4 1010.5    6.6   6.0  18.1  25.8  12.9   6.5  10.9   3.5              12.3 +0.3   15              Andrewsfield        
03693 1019.6 1025.2 1011.0                                                                                           Shoeburyness        
03710 1019.2 1026.5 1009.1    6.6   4.0  17.3  23.9  12.5                                             8              Liscombe            
03740 1020.2 1027.5 1010.4    1.0   1.0  18.8  27.1  13.3   6.7  11.3   1.4  160.3  14.1 12.8 +0.8    2   76   +3.9  Lyneham             
03743 1019.2 1025.9 1008.0                                                                                           Larkhill            
03803 1019.1 1027.3 1008.7                                                                                           Scilly/St. Marys    
03808 1019.2 1027.0 1008.9   10.0   5.0  16.4  21.3  11.9   9.1  14.6   5.4  158.4  14.3 12.8 +1.1   16   73   +2.7  Camborne            
03809 1018.8 1026.8 1008.0                                                                                           Culdrose RNAS       
03823 1018.8 1026.6 1008.8   12.2   6.0  18.2  24.3  13.5   8.3  14.0   3.4              13.3 +1.8   15              Cardinham           
03827 1019.1 1026.7 1009.1   16.8   8.0  18.6  23.8  15.6   9.1  15.0   4.7              13.9 +1.5   28              Plymouth            
03840 1019.0 1026.1 1008.7                                                                                           Dunkeswell          
03853 1019.2 1026.2 1008.1                                                                                           Yeovilton           
03844 1019.6 1027.2 1009.6    4.0   2.0  19.0  23.3  13.9   5.7  10.6   0.7  199.6  14.4 12.3                        Exeter AirportNo2   
03930 1019.8 1026.8 1008.2                                                                                           Almondsbury         
03857 1019.4 1026.9 1009.2    5.0   4.0  16.2  20.8  13.4   9.6  13.9   5.2              12.9 +0.9   12              Isle of Portland    
03672 1019.5 1026.1 1009.3                                                                                           Northolt            
03746 1019.2 1025.9 1007.9                                                                                           Boscombe Down       
03749 1019.7 1027.0 1009.7    1.2   1.0  19.8  27.4  14.2   7.4  12.8   3.7              13.6 +1.2    2              Middle Wallop       
03761 1019.1 1025.6 1008.5                                                                                           Odiham              
03769 1018.6 1024.8 1008.8                                                                                           Charlwood           
03796 1019.0 1025.3 1011.4               17.2  25.2  12.5   8.9  16.0   4.2              13.0                        Langdon Bay         
03797 1019.3 1025.3 1010.7                                                                                     +3.0  Manston             
03862 1019.5 1026.8 1009.6    0.0   0.0  19.9  25.9  14.6   6.0  11.7   1.0  192.0  14.6 13.0 +0.6    0   86   +3.2  Bournemouth Hurn    
03866 1019.0 1026.2 1009.2    0.0   0.0  17.0  21.3  14.4   9.4  14.6   4.4              13.2                        St Catherines Point 
03872 1019.3 1026.2 1009.8    0.4   0.2  18.7  24.2  14.4   8.2  13.3   3.2              13.4 +0.6    1              Thorney Island      
03876 1019.3 1026.1 1010.4    5.2   5.0  18.8  23.3  14.7   7.1  12.1   2.2              12.9 +0.7   11              Shoreham            
03882 1018.7 1024.6 1009.5                                                                                           Herstmonceux        
03894 1018.4 1025.9 1008.9                                 10.1  15.7   7.3                                    +1.5  Guernsey Airport    
03895 1017.8 1024.9 1008.7    7.0   5.0  18.0  24.3  12.5  10.1  16.0   6.6  173.3  14.4 14.1                        Jersey Airport      
03896                                                      10.9  16.1   8.0  197.6  14.2                             St Helier           
03901 1022.2 1029.5 1011.8    3.4   2.0  19.0  22.8  14.2   6.3  11.3   0.4  199.5  14.9 12.7                        Thomastown          
03904 1022.4 1029.2 1010.8                                                                                           Castlederg          
03907 1023.2 1030.8 1012.2   12.4  10.0  16.3  21.3  11.1   5.6  10.6   0.3  204.8  14.5 11.0                        Magilligan          
03911 1022.7 1030.2 1011.8   10.2   8.0  17.2  21.6  11.2   6.6  12.3   1.1              11.9 +2.0   12              Lough Fea           
03915 1022.2 1029.1 1010.9                                                                                           Port Glenone        
03916 1023.1 1030.5 1012.1    6.6   3.0  15.8  21.3  10.6   6.0  11.5   0.9              10.9 +1.0    8              Ballypatrick Forest 
03917 1022.8 1030.4 1012.3    7.6   4.0  18.3  22.4  12.4   6.5  11.2   1.5  198.4  15.0 12.4 +1.3   14  100   +7.7  Aldergrove          
03923 1022.2 1029.6 1011.5    7.4   5.0  17.5  22.1  13.1   6.6  10.2   2.2              12.1 +1.4   11              Glennane            
03953 1021.1 1027.6 1012.8    7.2   7.0  17.3  22.2  13.8   8.1  10.6   4.0              12.7 +1.0    8        +5.5  Valentia            
03955 1020.9 1027.6 1011.7    4.2   2.0  17.4  23.2  13.6   8.1  11.4   4.8  218.1  14.8 12.8 +1.8    5  114   +5.2  Cork Airport        
03956 1021.4 1028.8 1010.7    3.0   3.0                     8.0  12.1   4.3                                          Johnstown Castle    
03962 1021.9 1028.1 1013.1    3.1   2.0                     7.4  12.4   3.5  212.4  14.9              5  116   +6.6  Shannon Airport     
03967 1022.0 1029.5 1012.1    4.5   2.0  16.7  20.1  12.0   5.7  10.1  -0.2  206.0  15.1 11.2 +0.2    8  108         Casement Aerodrome  
03969 1022.4 1029.9 1012.1    3.4   2.0  16.3  19.3  12.3   4.3   9.7  -0.6  212.8  15.0 10.3 -0.4    6  108   +7.3  Dublin Airport      
03973 1022.1 1028.5 1012.4    1.1   1.0  17.9  23.3  13.3   7.5  10.9   3.8              12.7                        Connaught Airport   
03976 1022.5 1028.8 1012.4    6.4   3.0                     8.0  11.3   2.9                           9        +7.8  Belmullet           
03952 1021.0 1027.8 1011.3    2.2   2.0                     8.9  12.0   5.3                                          Roches Point        
03970 1022.3 1028.9 1012.3    3.0   3.0  19.3  24.0  14.2   5.9  10.0   1.5              12.6                        Claremorris         
03971 1021.9 1029.2 1012.2    0.0   0.0                     5.4  12.0  -0.2                           0              Mullingar           
03978 1022.6 1029.7 1012.2    2.6   2.0  18.0  23.5  13.7   7.5  11.3   1.9              12.7                        Finner              
03961 1021.9 1028.9 1012.0    2.1   2.0  18.9  22.6  14.4   5.1   9.4   0.1              12.0                        Oak Park            
03979 1022.4 1029.9 1012.3    2.1   1.0  18.0  21.6  14.2   5.2  10.4   0.2              11.6                        Ballyhaise          
03966 1021.9 1028.6 1012.6    0.7   0.6  19.0  23.5  14.4   4.1   8.5  -0.3              11.6                        Gurteen             
03963 1022.0 1028.2 1012.2    8.8   8.0                     9.5  12.9   4.9                                          Mace Head           
03951 1020.9 1027.7 1012.3    0.5   0.2  16.9  22.6  13.2   8.5  11.2   5.4              12.7                        Sherkin Island      
03980 1023.2 1030.7 1012.1   13.5  12.0                                                              21        +8.7  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 2025 ending at 18GMT on day 19.

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