Data for last month can be found here
The data below are for the month of Jan 2016.
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 1002.1 1026.9 964.6 Baltasound 03005 1001.6 1027.1 966.2 171.3 19.0 4.8 10.3 1.0 1.9 7.6 -3.7 34.6 5.0 3.4 -0.6 118 132 -3.9 Lerwick 03008 1001.2 1027.3 969.5 Fair Isle 03010 999.0 1027.1 972.2 Sule Skerry 03014 1003.2 1100.0 965.7 Foula 03017 5.9 11.1 2.6 Kirkwall 03023 998.0 1025.1 970.5 147.4 9.0 7.3 12.2 3.8 4.0 11.2 -1.2 5.7 +0.3 105 South Uist Range 03026 998.2 1026.4 971.9 6.8 12.2 2.6 -8.3 Stornoway 03034 998.9 1027.4 969.6 Aultbea 03047 1001.4 1030.1 969.6 Tulloch Bridge 03063 4.7 13.0 -0.9 Aviemore 03068 1000.5 1028.3 970.2 76.8 12.0 6.4 15.6 1.0 1.7 12.3 -5.5 4.0 +0.4 142 Lossiemouth 03075 1000.4 1027.8 972.4 Wick 03088 1001.6 1028.3 969.8 Inverbervie 03091 1001.6 1028.0 970.2 6.2 13.5 1.9 -7.2 Aberdeen Dyce 03105 1000.3 1027.4 970.1 Port Ellen 03111 7.8 14.1 4.2 Machrihanish 03132 7.7 12.8 3.5 West Freugh 03134 1001.2 1029.2 968.3 Glasgow Bishopton 03136 1001.1 1029.1 969.3 7.1 13.7 1.4 Prestwick 03144 1001.7 1029.7 968.1 5.5 13.1 -0.9 Strathallan 03153 1001.7 1028.9 971.3 Dundrennan 03166 1001.4 1029.2 968.1 6.2 14.4 0.4 Edinburgh Gogarbank 03204 1002.4 1029.1 975.3 170.2 16.0 8.9 12.1 5.6 5.9 11.1 -0.3 29.2 5.1 7.4 +1.3 206 54 Ronaldsway 03210 1002.7 1029.5 973.5 172.6 21.0 6.9 11.3 2.1 4.1 9.0 -1.2 5.5 +1.3 178 St Bees Head 03212 1003.1 1029.9 973.1 Keswick 03214 1003.3 1029.4 975.0 Walney Island 03220 136.2 11.0 7.3 14.3 0.1 3.8 13.6 -4.1 5.6 +1.3 168 Carlisle 03224 4.8 11.4 -0.1 Spadeadam 03230 1002.8 1029.7 969.7 Redesdale 03238 1002.5 1028.9 970.3 6.0 13.4 0.9 Albermarle 03240 1002.8 1028.5 969.5 Boulmer 03257 1004.1 1029.2 974.3 7.1 14.0 1.1 3.2 10.6 -4.4 28.6 7.0 5.1 +1.2 52* -9.0 Leeming 03261 1004.6 1029.5 975.4 Dishforth 03266 1004.5 1029.2 975.5 74.0 8.0 7.4 14.4 1.9 3.5 11.5 -3.2 5.4 +1.6 140 Linton-on-Ouse 03275 1003.7 1028.4 972.9 Loftus 03281 221.2 26.0 255 Fylingdales 03292 90.0 15.0 7.6 14.6 3.5 3.7 10.6 -1.3 5.7 +1.2 170 Bridlington 03346 103.8 12.0 Emley Moor No.2 03354 1005.9 1029.4 979.6 Nottingham Wea Cen 03373 1005.5 1028.6 979.2 Scampton 03377 59.2 12.0 7.5 14.7 2.6 3.3 11.5 -4.0 47.2 7.1 5.4 +1.4 118 78* Waddington 03379 1006.2 1029.1 979.3 7.6 15.0 2.6 2.7 11.3 -6.5 5.2 +1.3 Cranwell 03382 1004.9 1027.9 976.8 Leconfield 03385 7.8 15.0 3.7 Donna Nook 03391 1006.3 1028.6 979.0 59.2 11.0 7.8 15.1 3.3 3.1 11.9 -4.6 5.5 +1.5 121 Coningsby 03392 1006.3 1028.0 979.0 3.7 11.0 -1.8 Wainfleet 03302 1003.3 1029.3 976.8 112.6 13.0 9.2 12.5 6.4 5.8 11.5 -0.9 44.8 7.3 7.5 +1.5 149 77* -10.3 Valley 03313 1003.9 1029.9 978.2 8.6 15.2 3.6 Rhyl 03316 1004.0 1029.8 977.8 8.4 13.7 3.0 Crosby 03321 1004.6 1030.4 978.9 Hawarden 03405 1004.4 1030.6 977.3 Aberdaron 03507 295.4 27.0 6.7 12.2 1.9 2.4 9.8 -6.6 4.5 Sennybridge 03605 1005.9 1030.8 978.6 9.4 13.1 5.7 Pembrey Sands 03609 1006.7 1031.6 979.5 9.1 12.4 5.3 Mumbles 03330 1005.3 1029.8 979.6 144.4 17.0 6.1 12.0 0.0 2.4 9.6 -3.1 4.3 +1.3 158 Leek Thorncliffe 03414 1005.2 1030.3 979.1 Shawbury 03529 1006.9 1031.0 980.0 Pershore 03535 1006.0 1029.9 979.2 8.2 13.9 2.0 Coleshill 03628 1006.9 1030.5 979.5 9.1 14.7 4.8 Filton 03649 1007.3 1030.3 979.3 8.6 14.7 2.9 3.1 11.1 -5.6 50.8 6.9 5.8 +1.5 83 Brize Norton 03658 1007.8 1030.5 979.4 Benson 03660 1007.8 1030.6 979.3 7.5 13.6 1.8 High Wycombe 03469 1006.7 1028.8 978.9 Holbeach 03482 1007.2 1029.0 979.1 88.4 19.0 3.3 11.1 -5.8 158 Marham 03488 1006.9 1028.2 980.0 Weybourne 03560 1007.2 1029.7 978.9 Bedford 03590 1008.1 1029.7 979.5 Wattisham 03707 1006.9 1031.2 980.0 Chivenor 03740 1007.3 1030.6 979.8 -9.1 Lyneham 03743 1007.8 1030.6 979.8 123.0 18.0 8.6 13.3 3.8 3.3 10.5 -5.5 5.9 +1.6 153 Larkhill 03803 1007.7 1031.7 981.8 134.0 18.0 10.8 13.0 8.0 8.3 11.9 4.4 9.5 +1.6 141 Scilly/St. Marys 03808 1007.7 1031.5 981.6 223.2 18.0 10.0 15.1 6.9 184 -9.0 Camborne 03809 1007.9 1031.9 981.8 156.0 16.0 10.2 14.9 7.6 6.6 11.4 0.0 8.4 +1.7 138 Culdrose RNAS 03853 1007.6 1031.0 980.3 3.8 11.5 -7.0 Yeovilton 03857 133.8 13.0 9.7 12.6 5.4 6.9 10.6 2.1 8.3 +1.8 199 Isle of Portland 03672 1008.2 1030.8 979.2 9.2 15.7 4.1 Northolt 03746 1007.9 1030.7 979.8 Boscombe Down 03749 1008.1 1031.0 979.9 133.8 18.0 8.9 13.3 3.5 3.2 10.8 -6.4 6.0 +1.5 164 Middle Wallop 03761 1008.2 1030.6 979.7 126.0 19.0 8.5 12.7 3.1 162 Odiham 03772 1008.3 1030.8 979.3 9.2 15.3 3.9 -8.5 Heathrow 03781 1008.6 1031.0 979.6 7.6 12.2 2.6 Kenley 03796 1009.4 1031.4 980.4 Langdon Bay 03797 1009.4 1031.2 980.6 8.4 13.0 3.2 -7.4 Manston 03862 1008.3 1030.7 980.1 -8.7 Bournemouth Hurn 03866 143.0 13.0 9.6 12.1 5.8 6.8 10.2 1.2 8.2 St Catherines Point 03894 9.5 12.9 4.5 Guernsey Airport 03895 1010.7 1032.1 982.9 6.1 10.2 -1.6 Jersey Airport 03904 1000.7 1027.9 974.7 7.9 14.1 3.5 Castlederg 03911 1001.2 1028.6 974.3 6.1 12.6 1.7 Lough Fea 03915 1000.7 1027.8 973.5 Port Glenone 03916 227.0 40.0 7.1 13.3 3.0 3.7 10.3 -0.5 5.4 +1.1 172 Ballypatrick Forest 03917 1001.2 1028.7 974.5 -10.3 Aldergrove 03953 1003.6 1030.5 975.2 6.7 11.8 3.3 -10.1 Valentia 03955 1004.1 1031.2 976.0 4.4 11.0 -0.8 40.9 5.6 70 -10.0 Cork Airport 03956 1003.9 1030.9 976.0 4.8 10.9 -1.4 -10.1 Johnstown Castle 03962 1002.8 1030.4 974.3 4.9 11.3 0.0 42.2 6.0 81 -10.3 Shannon Airport 03967 1002.5 1029.8 975.4 4.0 12.3 -2.7 56.3 6.4 Casement Aerodrome 03969 1002.5 1029.8 975.7 3.6 11.8 -0.8 66.3 7.0 113 -10.4 Dublin Airport 03973 1001.3 1028.9 974.7 3.1 11.2 -1.0 Connaught Airport 03976 1000.4 1027.5 974.5 5.0 11.1 -0.7 -10.2 Belmullet 03952 1003.9 1031.1 976.0 6.1 11.3 1.8 Roches Point 03970 1001.3 1028.8 974.1 3.6 11.9 -3.0 Claremorris 03971 1002.1 1029.4 975.0 3.1 12.0 -3.6 Mullingar 03978 1000.6 1027.5 975.5 4.3 12.3 -0.3 Finner 03961 1003.4 1030.7 975.7 4.0 12.1 -3.1 Oak Park 03979 1001.4 1029.0 975.2 4.1 12.3 -1.5 Ballyhaise 03963 1001.2 1028.5 973.4 5.9 10.9 1.9 Mace Head 03951 1004.1 1031.0 976.2 Sherkin Island 03980 999.9 1027.0 972.8 4.9 13.1 -0.1 -9.9 Malin Head site -09GMT MSL Pressure- --Rainfall-- --Maximum Temp--- --Minimum Temp--- --Sunshine-- Mean Temp Rain -Sun PresThe data above are for the month of Jan 2016 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.