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 | -1.3 | -1.9 | 1.5 | 6.1 | 12.9 | 18.9 | 23 | 22.7 | 18.3 | 12.2 | 6.8 | 1.6 |
| Average low | -10 | -11.1 | -6.9 | -1.9 | 2.6 | 7.6 | 12.3 | 12.6 | 8.5 | 3.8 | -0.2 | -5.8 |
| Average | -5.7 | -6.5 | -2.7 | 2.1 | 7.8 | 13.3 | 17.7 | 17.7 | 13.4 | 8 | 3.3 | -2.1 |
| Record daily high | 16.9 | 18 | 17.8 | 27.2 | 31.1 | 34.4 | 33.9 | 35.5 | 32.3 | 25 | 22.2 | 16.7 |
| Date | Jan 16 1995 | Feb 28 2000 | Mar 29 1945 | Apr 25 1942 | May 31 1960 | Jun 29 1944 | Jul 19 1975 | Aug 10 2001 | Sep 10 2001 | Oct 03 1950 | Nov 05 1961 | Dec 06 1951 |
| Record daily low | -26.2 | -27.3 | -25.6 | -14.6 | -7.8 | -3.9 | 2.2 | 2.8 | -1.7 | -5.6 | -12 | -22.2 |
| Date | Jan 26 1994 | Feb 08 1994 | Mar 02 2001 | Apr 05 1995 | May 02 1972 | Jun 09 1956 | Jul 15 1961 | Aug 31 1965 | Sep 29 1971 | Oct 31 1944 | Nov 19 1999 | Dec 29 1993 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Monthly rainfall (mm) | 82 | 67 | 88 | 104 | 100 | 93 | 87 | 93 | 113 | 144 | 134 | 108 |
| Annual average: 1212 | ||||||||||||
| Monthly snowfall (cm) | 71 | 67 | 51 | 26 | 3 | 0 | 0 | 0 | 0 | 2 | 16 | 63 |
| Annual average: 298 | ||||||||||||
| Monthly precipitation (mm) | 151 | 132 | 139 | 130 | 103 | 93 | 87 | 93 | 113 | 146 | 150 | 168 |
| Annual average: 1504 | ||||||||||||
| Single day record rainfall (mm) | 57 | 62 | 73 | 73 | 94 | 84 | 68 | 129 | 91 | 96 | 97 | 94 |
| Date | Jan 14 1948 | Feb 17 1996 | Mar 08 1992 | Apr 29 1982 | May 26 1967 | Jun 17 1998 | Jul 09 1998 | Aug 17 1981 | Sep 30 1947 | Oct 19 1992 | Nov 05 1944 | Dec 26 1979 |
| Single day record snowfall (cm) | 45 | 45 | 43 | 29 | 25 | 1 | 0 | 0 | 0 | 16 | 27 | 59 |
| Date | Jan 25 1965 | Feb 15 1959 | Mar 18 1993 | Apr 03 1965 | May 10 1972 | Jun 09 1975 | Jul 01 1941 | Aug 01 1941 | Sep 01 1941 | Oct 19 1972 | Nov 23 1989 | Dec 21 1964 |
| Single day record precipitation (mm) | 57 | 62 | 73 | 73 | 94 | 84 | 68 | 129 | 91 | 96 | 97 | 95 |
| Date | Jan 14 1948 | Feb 17 1996 | Mar 08 1992 | Apr 29 1982 | May 26 1967 | Jun 17 1998 | Jul 09 1998 | Aug 17 1981 | Sep 30 1947 | Oct 19 1992 | Nov 05 1944 | Dec 26 1979 |