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 | 6.2 | 8.2 | 10.9 | 14.1 | 17.8 | 20.5 | 24 | 24.2 | 20.9 | 14.6 | 9.1 | 6.1 |
| Average low | -0.8 | 0 | 1.3 | 3.4 | 6.7 | 9.7 | 11.8 | 11.7 | 8.6 | 4.8 | 1.5 | -0.4 |
| Average | 2.7 | 4.2 | 6.1 | 8.8 | 12.3 | 15.2 | 17.9 | 18 | 14.8 | 9.7 | 5.4 | 2.9 |
| Record daily high | 15.6 | 18.3 | 21.7 | 26.1 | 34.3 | 34.5 | 36.1 | 36.7 | 33.2 | 29.3 | 19.4 | 17.5 |
| Date | Jan 20 1968 | Feb 27 1968 | Mar 28 1994 | Apr 30 1998 | May 29 1983 | Jun 29 1987 | Jul 30 1965 | Aug 09 1960 | Sep 03 1988 | Oct 01 1987 | Nov 02 1949 | Dec 26 1980 |
| Record daily low | -17.8 | -16.7 | -12.2 | -5 | -4.4 | 0.6 | 2.8 | 3.3 | -1.1 | -6.7 | -16.1 | -20 |
| Date | Jan 31 1950 | Feb 03 1950 | Mar 10 1951 | Apr 03 1948 | May 16 1949 | Jun 17 1954 | Jul 03 1954 | Aug 18 1973 | Sep 17 1947 | Oct 18 1949 | Nov 14 1955 | Dec 30 1968 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Monthly rainfall (mm) | 142 | 123 | 106 | 63 | 50 | 45 | 26 | 32 | 39 | 97 | 190 | 166 |
| Annual average: 1077 | ||||||||||||
| Monthly snowfall (cm) | 27 | 16 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 8 | 23 |
| Annual average: 80 | ||||||||||||
| Monthly precipitation (mm) | 170 | 140 | 112 | 63 | 50 | 45 | 26 | 32 | 39 | 98 | 199 | 190 |
| Annual average: 1162 | ||||||||||||
| Single day record rainfall (mm) | 71 | 97 | 57 | 59 | 31 | 30 | 24 | 76 | 47 | 92 | 84 | 74 |
| Date | Jan 18 1968 | Feb 01 1991 | Mar 17 1997 | Apr 27 1962 | May 25 1984 | Jun 25 1980 | Jul 23 1949 | Aug 29 1991 | Sep 29 1953 | Oct 21 1963 | Nov 02 1955 | Dec 17 1979 |
| Single day record snowfall (cm) | 39 | 74 | 33 | 5 | 1 | 0 | 0 | 0 | 0 | 20 | 33 | 48 |
| Date | Jan 13 1971 | Feb 12 1975 | Mar 01 1991 | Apr 12 1981 | May 08 1996 | Jun 01 1947 | Jul 07 1947 | Aug 01 1947 | Sep 01 1947 | Oct 31 1984 | Nov 01 1984 | Dec 27 1965 |
| Single day record precipitation (mm) | 71 | 97 | 57 | 59 | 31 | 30 | 24 | 76 | 47 | 92 | 84 | 74 |
| Date | Jan 18 1968 | Feb 01 1991 | Mar 17 1997 | Apr 27 1962 | May 25 1984 | Jun 25 1980 | Jul 23 1949 | Aug 29 1991 | Sep 29 1953 | Oct 21 1963 | Nov 02 1955 | Dec 17 1979 |