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 | 5.9 | 7.2 | 9.5 | 12.8 | 16.6 | 19.7 | 22.9 | 22.4 | 18.2 | 12.2 | 7.2 | 5.5 |
| Average low | 1.8 | 1.8 | 3.1 | 4.9 | 7.7 | 10.4 | 12.1 | 12.1 | 9.4 | 6.4 | 2.5 | 1.4 |
| Average | 3.9 | 4.5 | 6.3 | 8.9 | 12.2 | 15.1 | 17.6 | 17.3 | 14 | 9.4 | 4.9 | 3.5 |
| Record daily high | 11.5 | 14 | 18.5 | 28 | 29 | 31 | 32 | 30 | 26.5 | 19 | 13.5 | 10 |
| Date | Jan 13 1986 | Feb 07 1995 | Mar 28 1994 | Apr 30 1998 | May 25 1995 | Jun 29 1987 | Jul 19 1985 | Aug 11 1997 | Sep 14 1995 | Oct 02 1994 | Nov 29 1995 | Dec 22 1986 |
| Record daily low | -10 | -9 | -3 | -1 | 1 | 4 | 7 | 7 | 3 | -5 | -13.5 | -9.5 |
| Date | Jan 30 1996 | Feb 19 1986 | Mar 14 1997 | Apr 20 1985 | May 04 1999 | Jun 01 1984 | Jul 03 1986 | Aug 29 1985 | Sep 28 1985 | Oct 31 1984 | Nov 27 1985 | Dec 01 1985 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Monthly rainfall (mm) | 216 | 135 | 122 | 103 | 82 | 76 | 40 | 54 | 58 | 191 | 245 | 204 |
| Annual average: 1526 | ||||||||||||
| Monthly snowfall (cm) | 12 | 11 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 7 | 7 |
| Annual average: 44 | ||||||||||||
| Monthly precipitation (mm) | 228 | 146 | 128 | 103 | 82 | 76 | 40 | 54 | 58 | 192 | 252 | 211 |
| Annual average: 1570 | ||||||||||||
| Single day record rainfall (mm) | 56 | 54 | 95 | 34 | 47 | 36 | 31 | 78 | 59 | 54 | 71 | 52 |
| Date | Jan 29 1992 | Feb 03 1991 | Mar 17 1997 | Apr 28 1997 | May 05 1993 | Jun 11 2000 | Jul 17 1996 | Aug 08 1994 | Sep 16 1997 | Oct 12 1999 | Nov 17 1995 | Dec 03 1990 |
| Single day record snowfall (cm) | 27 | 31 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 17 | 18 |
| Date | Jan 31 1990 | Feb 14 1990 | Mar 03 1996 | Apr 18 1984 | May 01 1984 | Jun 01 1984 | Jul 01 1984 | Aug 01 1984 | Sep 01 1984 | Oct 31 1984 | Nov 01 1984 | Dec 20 1998 |
| Single day record precipitation (mm) | 56 | 54 | 95 | 34 | 47 | 36 | 31 | 78 | 59 | 54 | 71 | 52 |
| Date | Jan 29 1992 | Feb 03 1991 | Mar 17 1997 | Apr 28 1997 | May 05 1993 | Jun 11 2000 | Jul 17 1996 | Aug 08 1994 | Sep 16 1997 | Oct 12 1999 | Nov 17 1995 | Dec 03 1990 |