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 | 5.6 | 6.3 | 7.6 | 9.4 | 12 | 14.6 | 17 | 17.9 | 16 | 12.1 | 8.3 | 6.3 |
| Average low | 0.7 | 1.1 | 1.8 | 3.3 | 6 | 8.9 | 11.5 | 12.1 | 10.2 | 6.4 | 2.9 | 1.3 |
| Average | 3.2 | 3.7 | 4.7 | 6.4 | 9 | 11.8 | 14.3 | 15 | 13.1 | 9.3 | 5.6 | 3.8 |
| Record daily high | 12.4 | 13.4 | 13.9 | 18.9 | 21.7 | 25.9 | 27.8 | 26.7 | 24.1 | 20.6 | 16.3 | 13.4 |
| Date | Jan 18 1981 | Feb 19 1977 | Mar 12 1965 | Apr 29 1958 | May 25 1958 | Jun 29 1987 | Jul 28 1971 | Aug 05 1952 | Sep 15 1980 | Oct 04 1986 | Nov 02 1985 | Dec 15 1980 |
| Record daily low | -13.9 | -12.3 | -12.2 | -5.1 | -1.1 | 2.2 | 5 | 1.9 | -0.6 | -3.1 | -15.5 | -12.8 |
| Date | Jan 26 1954 | Feb 01 1989 | Mar 05 1951 | Apr 02 1996 | May 04 1965 | Jun 04 1950 | Jul 01 1971 | Aug 11 1992 | Sep 22 1948 | Oct 30 1984 | Nov 26 1985 | Dec 04 1970 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Monthly rainfall (mm) | 149 | 123 | 107 | 100 | 63 | 56 | 47 | 57 | 84 | 186 | 196 | 174 |
| Annual average: 1341 | ||||||||||||
| Monthly snowfall (cm) | 22 | 16 | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 11 |
| Annual average: 61 | ||||||||||||
| Monthly precipitation (mm) | 169 | 139 | 113 | 102 | 63 | 56 | 47 | 57 | 84 | 186 | 198 | 184 |
| Annual average: 1398 | ||||||||||||
| Single day record rainfall (mm) | 66 | 46 | 42 | 80 | 48 | 39 | 22 | 47 | 49 | 59 | 66 | 67 |
| Date | Jan 09 2001 | Feb 09 1983 | Mar 08 1983 | Apr 15 1952 | May 16 1950 | Jun 11 1973 | Jul 30 1957 | Aug 29 1991 | Sep 04 1961 | Oct 31 1978 | Nov 01 1984 | Dec 20 1991 |
| Single day record snowfall (cm) | 38 | 27 | 20 | 9 | 2 | 0 | 0 | 0 | 0 | 2 | 23 | 23 |
| Date | Jan 27 1996 | Feb 25 1972 | Mar 05 1951 | Apr 19 1971 | May 01 1962 | Jun 01 1949 | Jul 01 1949 | Aug 01 1948 | Sep 01 1945 | Oct 30 1984 | Nov 27 1964 | Dec 19 1955 |
| Single day record precipitation (mm) | 71 | 46 | 48 | 80 | 48 | 39 | 22 | 47 | 49 | 59 | 67 | 67 |
| Date | Jan 09 2001 | Feb 09 1983 | Mar 27 1946 | Apr 15 1952 | May 16 1950 | Jun 11 1973 | Jul 30 1957 | Aug 29 1991 | Sep 04 1961 | Oct 31 1978 | Nov 01 1984 | Dec 20 1991 |