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 | -0.3 | -0 | 3.7 | 9 | 16.1 | 20.6 | 23.6 | 23.5 | 18.7 | 13 | 7.6 | 2 |
| Average low | -8.1 | -8 | -4.2 | 0.8 | 5.6 | 10 | 12.9 | 12.8 | 9.5 | 4.9 | 1.3 | -4.8 |
| Average | -4.3 | -4.1 | -0.3 | 4.9 | 10.9 | 15.4 | 18.4 | 18.3 | 14.3 | 9 | 4.5 | -1.4 |
| Record daily high | 18.5 | 17.5 | 21.7 | 26 | 30 | 34 | 32.2 | 32.8 | 30 | 25.6 | 22.2 | 19.4 |
| Date | Jan 24 1999 | Feb 28 2000 | Mar 17 1936 | Apr 21 1993 | May 28 1914 | Jun 30 1997 | Jul 01 1945 | Aug 17 1935 | Sep 03 1921 | Oct 01 1920 | Nov 17 1927 | Dec 01 1927 |
| Record daily low | -26 | -27.2 | -24.4 | -13.3 | -6.1 | -3.3 | -1.1 | 0 | -2.2 | -8.3 | -13.3 | -23.9 |
| Date | Jan 11 1988 | Feb 04 1967 | Mar 12 1964 | Apr 01 1964 | May 08 1966 | Jun 23 1920 | Jul 02 1920 | Aug 31 1965 | Sep 28 1922 | Oct 22 1974 | Nov 27 1932 | Dec 29 1933 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Monthly rainfall (mm) | 73 | 52 | 65 | 75 | 90 | 80 | 85 | 75 | 114 | 110 | 112 | 90 |
| Annual average: 1021 | ||||||||||||
| Monthly snowfall (cm) | 59 | 40 | 36 | 10 | 1 | 0 | 0 | 0 | 0 | 1 | 7 | 34 |
| Annual average: 187 | ||||||||||||
| Monthly precipitation (mm) | 131 | 92 | 101 | 85 | 91 | 80 | 85 | 75 | 114 | 111 | 120 | 124 |
| Annual average: 1209 | ||||||||||||
| Single day record rainfall (mm) | 84 | 97 | 80 | 71 | 69 | 109 | 119 | 117 | 145 | 98 | 94 | 88 |
| Date | Jan 10 1935 | Feb 08 1953 | Mar 13 1920 | Apr 25 1921 | May 04 1972 | Jun 23 1954 | Jul 13 1977 | Aug 04 1943 | Sep 22 1999 | Oct 25 1959 | Nov 30 1934 | Dec 04 1967 |
| Single day record snowfall (cm) | 41 | 38 | 36 | 22 | 10 | 0 | 0 | 0 | 0 | 25 | 36 | 46 |
| Date | Jan 06 1952 | Feb 13 1934 | Mar 16 1956 | Apr 29 1967 | May 10 1963 | Jun 01 1915 | Jul 01 1915 | Aug 01 1916 | Sep 01 1916 | Oct 20 1974 | Nov 20 1955 | Dec 24 1970 |
| Single day record precipitation (mm) | 84 | 97 | 80 | 71 | 69 | 109 | 119 | 117 | 145 | 98 | 94 | 88 |
| Date | Jan 10 1935 | Feb 08 1953 | Mar 13 1920 | Apr 25 1921 | May 04 1972 | Jun 23 1954 | Jul 13 1977 | Aug 04 1943 | Sep 22 1999 | Oct 25 1959 | Nov 30 1934 | Dec 04 1967 |