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 | 4.4 | 7.1 | 10.8 | 14.4 | 18 | 20.6 | 23.4 | 23.8 | 20.7 | 13.6 | 6.9 | 3.4 |
| Average low | -0.8 | -0 | 1.6 | 3.9 | 7.1 | 10.1 | 12 | 11.8 | 8.8 | 5.3 | 1.5 | -1.4 |
| Average | 1.8 | 3.6 | 6.2 | 9.2 | 12.6 | 15.4 | 17.7 | 17.8 | 14.8 | 9.5 | 4.2 | 1 |
| Record daily high | 13.5 | 20 | 25.1 | 30.3 | 37.4 | 34.5 | 35 | 36 | 37 | 28.2 | 15.7 | 12.4 |
| Date | Jan 31 1992 | Feb 26 1991 | Mar 28 1994 | Apr 30 1998 | May 29 1983 | Jun 18 1982 | Jul 19 1988 | Aug 27 1986 | Sep 03 1988 | Oct 01 1987 | Nov 07 1997 | Dec 03 1982 |
| Record daily low | -13.8 | -16.2 | -6.6 | -2.8 | -1 | 3.4 | 4.8 | 5.2 | 1.1 | -6.7 | -15.8 | -17.6 |
| Date | Jan 06 1993 | Feb 01 1989 | Mar 03 1989 | Apr 25 1984 | May 10 1999 | Jun 05 1988 | Jul 04 1986 | Aug 21 1987 | Sep 19 1983 | Oct 31 1984 | Nov 27 1985 | Dec 21 1990 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Monthly rainfall (mm) | 336 | 264 | 225 | 135 | 134 | 84 | 41 | 30 | 63 | 283 | 417 | 226 |
| Annual average: 2238 | ||||||||||||
| Monthly snowfall (cm) | 30 | 32 | 14 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 39 |
| Annual average: 132 | ||||||||||||
| Monthly precipitation (mm) | 366 | 294 | 241 | 142 | 134 | 84 | 56 | 37 | 71 | 311 | 435 | 265 |
| Annual average: 2435 | ||||||||||||
| Single day record rainfall (mm) | 116 | 130 | 84 | 96 | 51 | 38 | 39 | 25 | 43 | 101 | 164 | 108 |
| Date | Jan 18 1986 | Feb 01 1991 | Mar 26 1986 | Apr 03 1991 | May 27 1988 | Jun 09 1983 | Jul 11 1983 | Aug 28 1983 | Sep 26 1988 | Oct 07 1984 | Nov 10 1990 | Dec 03 1990 |
| Single day record snowfall (cm) | 20 | 35 | 40 | 10 | 0 | 0 | 0 | 0 | 0 | 4 | 40 | 42 |
| Date | Jan 04 1986 | Feb 06 1985 | Mar 01 1991 | Apr 05 1988 | May 18 1982 | Jun 01 1982 | Jul 01 1982 | Aug 01 1982 | Sep 01 1982 | Oct 31 1984 | Nov 01 1984 | Dec 30 1990 |
| Single day record precipitation (mm) | 117 | 130 | 88 | 96 | 51 | 38 | 68 | 37 | 55 | 101 | 164 | 111 |
| Date | Jan 18 1986 | Feb 01 1991 | Mar 18 1997 | Apr 03 1991 | May 27 1988 | Jun 09 1983 | Jul 08 1997 | Aug 26 1997 | Sep 26 1997 | Oct 07 1984 | Nov 10 1990 | Dec 03 1990 |