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 | 2.8 | 5.7 | 10.2 | 14.3 | 18.2 | 20.4 | 23.1 | 22.8 | 19 | 12.1 | 5.6 | 2.3 |
| Average low | -2.7 | -1.8 | 0.2 | 2.9 | 6.1 | 9.4 | 11.3 | 11.2 | 7.8 | 4.4 | 0.3 | -2.5 |
| Average | 0 | 2 | 5.3 | 8.6 | 12.2 | 14.9 | 17.2 | 17 | 13.4 | 8.3 | 2.9 | -0.1 |
| Record daily high | 16.3 | 17.3 | 24 | 26.1 | 34.7 | 32.7 | 36.3 | 36 | 31.6 | 23.8 | 14.9 | 18.5 |
| Date | Jan 31 1993 | Feb 27 1992 | Mar 28 1994 | Apr 30 1989 | May 29 1983 | Jun 29 1995 | Jul 26 1998 | Aug 04 1993 | Sep 07 1989 | Oct 01 1987 | Nov 27 1989 | Dec 12 1997 |
| Record daily low | -19 | -21 | -13.4 | -5.9 | -3.6 | 1 | 4.5 | 3.4 | -2 | -13.3 | -24.4 | -19.8 |
| Date | Jan 31 1989 | Feb 01 1989 | Mar 04 1995 | Apr 04 1999 | May 08 1996 | Jun 16 1985 | Jul 16 1987 | Aug 23 1992 | Sep 15 1992 | Oct 31 1984 | Nov 26 1985 | Dec 28 1996 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Monthly rainfall (mm) | 136 | 76 | 66 | 53 | 47 | 54 | 39 | 53 | 84 | 195 | 172 | 108 |
| Annual average: 1081 | ||||||||||||
| Monthly snowfall (cm) | 28 | 20 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 22 | 32 |
| Annual average: 110 | ||||||||||||
| Monthly precipitation (mm) | 162 | 94 | 70 | 54 | 47 | 54 | 39 | 53 | 84 | 197 | 194 | 139 |
| Annual average: 1184 | ||||||||||||
| Single day record rainfall (mm) | 113 | 39 | 44 | 34 | 26 | 27 | 19 | 55 | 77 | 64 | 62 | 41 |
| Date | Jan 10 1996 | Feb 03 1992 | Mar 12 1994 | Apr 14 1994 | May 10 1993 | Jun 11 1987 | Jul 10 1993 | Aug 24 1999 | Sep 28 1988 | Oct 27 1996 | Nov 15 1991 | Dec 28 1997 |
| Single day record snowfall (cm) | 43 | 42 | 10 | 11 | 0 | 0 | 0 | 0 | 0 | 44 | 35 | 29 |
| Date | Jan 02 1989 | Feb 01 1990 | Mar 01 1987 | Apr 01 1996 | May 01 1983 | Jun 01 1983 | Jul 01 1983 | Aug 01 1983 | Sep 01 1983 | Oct 29 1984 | Nov 23 1990 | Dec 16 2000 |
| Single day record precipitation (mm) | 113 | 39 | 44 | 34 | 26 | 27 | 19 | 55 | 77 | 64 | 62 | 42 |
| Date | Jan 10 1996 | Feb 03 1992 | Mar 12 1994 | Apr 14 1994 | May 10 1993 | Jun 11 1987 | Jul 10 1993 | Aug 24 1999 | Sep 28 1988 | Oct 27 1996 | Nov 15 1991 | Dec 03 1990 |