The weather statistics displayed here represent the value of each meteorological parameter for each month of the year. The sampling period for this data covers 30 years. Record maximums and minimums are updated annually.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Average high | 8.2 | 8.8 | 9.9 | 11.4 | 13.6 | 15.1 | 16.6 | 16.9 | 16.4 | 13.2 | 10 | 8.2 |
| Average low | 3 | 3.1 | 4 | 5.6 | 7.9 | 9.8 | 11 | 11.2 | 10.4 | 7.8 | 4.8 | 3.1 |
| Average | 5.6 | 6 | 7 | 8.5 | 10.8 | 12.5 | 13.8 | 14.1 | 13.4 | 10.5 | 7.4 | 5.7 |
| Record daily high | 15.5 | 16 | 17.5 | 21 | 24.5 | 26 | 27 | 27.5 | 29 | 24 | 17.5 | 14 |
| Date | Jan 12 1986 | Feb 07 1995 | Mar 28 1994 | Apr 25 1989 | May 24 1993 | Jun 28 1995 | Jul 19 1988 | Aug 04 1993 | Sep 02 1988 | Oct 01 1987 | Nov 09 1997 | Dec 12 1997 |
| Record daily low | -6.5 | -10 | -3 | 0.5 | 3 | 6 | 7 | 7.5 | 5 | -2.5 | -9 | -8 |
| Date | Jan 30 1996 | Feb 02 1989 | Mar 02 1989 | Apr 20 1985 | May 09 1985 | Jun 24 1985 | Jul 09 1985 | Aug 25 1992 | Sep 14 1992 | Oct 31 1984 | Nov 27 1985 | Dec 19 1990 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Monthly rainfall (mm) | 406 | 296 | 275 | 212 | 143 | 116 | 52 | 68 | 87 | 286 | 420 | 373 |
| Annual average: 2735 | ||||||||||||
| Monthly snowfall (cm) | 2 | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 5 |
| Annual average: 17 | ||||||||||||
| Monthly precipitation (mm) | 409 | 302 | 277 | 212 | 143 | 116 | 52 | 68 | 87 | 286 | 423 | 378 |
| Annual average: 2752 | ||||||||||||
| Single day record rainfall (mm) | 132 | 83 | 69 | 72 | 54 | 74 | 82 | 137 | 75 | 79 | 83 | 83 |
| Date | Jan 24 1993 | Feb 23 1986 | Mar 25 1986 | Apr 05 1996 | May 29 1987 | Jun 16 1997 | Jul 07 1997 | Aug 07 1991 | Sep 22 1986 | Oct 16 1995 | Nov 18 1992 | Dec 01 1999 |
| Single day record snowfall (cm) | 6 | 14 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 22 | 18 |
| Date | Jan 28 1996 | Feb 06 1990 | Mar 22 1994 | Apr 01 1985 | May 01 1985 | Jun 01 1985 | Jul 01 1985 | Aug 01 1985 | Sep 01 1985 | Oct 31 1984 | Nov 26 1985 | Dec 29 1984 |
| Single day record precipitation (mm) | 132 | 83 | 69 | 72 | 54 | 74 | 82 | 137 | 75 | 79 | 83 | 83 |
| Date | Jan 24 1993 | Feb 23 1986 | Mar 25 1986 | Apr 05 1996 | May 29 1987 | Jun 16 1997 | Jul 07 1997 | Aug 07 1991 | Sep 22 1986 | Oct 16 1995 | Nov 18 1992 | Dec 01 1999 |