Marlborough, Wiltshire
| Month | Max. Temp. | Date | Min. Temp. | Date | High Barometer | Date | Low Barometer | Date | Max. Wind | Date | Max. Rain Day | Date | Min. Rain Month | Year | Max. Rain Month | Year |
| January | 13.0 | 09.01.98 | -13.3 | 07.01.09 | 1049.4 | 27.01.92 | 977.1 | 02.01.98 | 54 | 18.01.07 | 23.7 | 09.01.91 | 9.4 | 1997 | 147.3 | 2008 |
| February | 15.5 | 14.02.98 | -11.6 | 10.02.86 | 1047.7 | 17.02.01 | 975.9 | 12.02.90 | 51 | 01.02.02 | 22.9 | 08.02.85 | 9.9 | 1986 | 151.0 | 1990 |
| March | 20.3 | 17.03.90 | -8.4 | 17.03.85 | 1049.9 | 25.03.93 | 962.5 | 10.03.08 | 52 | 31.03.07 | 30.6 | 29.03.05 | 12.7 | 2011 | 113.7 | 2001 |
| April | 27.2 | 23.04.11 | -6.9 | 05.04.90 | 1045.8 | 14.04.95 | 979.8 | 18.04.04 | 42 | 26.04.02 | 28.7 | 29.04.91 | 2.0 | 1984 | 165.2 | 2000 |
| May | 28.6 | 24.05.10 | -3.5 | 09.05.84 | 1042.1 | 16.05.92 | 980.6 | 04.05.04 | 41 | 26.05.08 | 45.4 | 27.05.07 | 6.7 | 1990 | 149.5 | 2007 |
| June | 31.6 | 30.06.95 | -1.6 | 02.06.91 | 1041.4 | 08.06.05 | 993.3 | 23.06.04 | 40 | 10.06.03 | 33.9 | 03.06.08 | 12.5 | 1995 | 143.2 | 1998 |
| July | 35.9 | 19.07.06 | 1.5 | 03.07.84 | 1038.0 | 16.07.96 | 995.7 | 10.07.00 | 41 | 07.07.04 | 41.0 | 31.07.02 | 10.1 | 1999 | 127.2 | 2007 |
| August | 35.2 | 03.08.90 | 1.8 | 25.08.93 | 1035.2 | 30.08.95 | 987.6 | 31.08.92 | 34 | 26.08.09 | 41.7 | 22.08.10 | 5.3 | 1995 | 139.5 | 1992 |
| September | 28.2 | 05.09.04 | -2.0 | 24.09.03 | 1039.6 | 11.09.09 | 986.6 | 08.09.95 | 39 | 14.09.04 | 35.6 | 19.09.84 | 11.1 | 2003 | 131.9 | 2006 |
| October | 26.7 | 01.10.11 | -4.8 | 19.10.93 | 1040.4 | 06.10.94 | 968.7 | 11.10.00 | 53 | 27.10.02 | 40.6 | 29.10.00 | 36.8 | 2003 | 159.3 | 2004 |
| November | 16.6 | 04.11.10 | -9.3 | 26.11.89 | 1044.9 | 02.11.01 | 965.6 | 08.11.10 | 51 | 14.11.09 | 28.8 | 11.11.87 | 27.8 | 1990 | 203.5 | 2002 |
| December | 13.6 | 12.12.94 | -14.1 | 20.12.99 | 1048.1 | 25.12.91 | 973.4 | 02.12.05 | 45 | 12.12.00 | 39.5 | 20.12.89 | 17.6 | 1988 | 152.3 | 1989 |