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 | 7.2 | 9.5 | 12.8 | 16.5 | 19.4 | 22.4 | 22.5 | 18.8 | 12.9 | 8.4 | 5.9 |
| Average low | 0.4 | 1.1 | 2.2 | 4.3 | 7.6 | 10.6 | 12.7 | 12.7 | 9.5 | 5.6 | 2.6 | 0.8 |
| Average | 3 | 4.2 | 5.8 | 8.6 | 12.1 | 15 | 17.6 | 17.6 | 14.2 | 9.3 | 5.5 | 3.4 |
| Record daily high | 16.7 | 16.3 | 18.9 | 26.8 | 31.7 | 34.4 | 34.4 | 33.6 | 30.6 | 22.9 | 17.8 | 16 |
| Date | Jan 20 1968 | Feb 27 1986 | Mar 11 1965 | Apr 30 1998 | May 29 1983 | Jun 09 1969 | Jul 11 1961 | Aug 08 1981 | Sep 05 1949 | Oct 01 1992 | Nov 04 1944 | Dec 25 1980 |
| Record daily low | -21.1 | -16.1 | -13.9 | -4.4 | -2.8 | 0.5 | 5 | 3.3 | -1.7 | -4.8 | -13.3 | -15 |
| Date | Jan 31 1950 | Feb 05 1949 | Mar 10 1951 | Apr 01 1948 | May 01 1954 | Jun 05 1988 | Jul 06 1952 | Aug 29 1997 | Sep 27 1972 | Oct 31 1984 | Nov 27 1985 | Dec 28 1968 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Monthly rainfall (mm) | 143 | 121 | 100 | 61 | 47 | 44 | 30 | 35 | 45 | 120 | 194 | 161 |
| Annual average: 1100 | ||||||||||||
| Monthly snowfall (cm) | 23 | 11 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 21 |
| Annual average: 74 | ||||||||||||
| Monthly precipitation (mm) | 169 | 132 | 111 | 62 | 47 | 44 | 30 | 35 | 45 | 121 | 203 | 181 |
| Annual average: 1178 | ||||||||||||
| Single day record rainfall (mm) | 77 | 80 | 67 | 41 | 29 | 39 | 37 | 69 | 42 | 59 | 79 | 113 |
| Date | Jan 18 1968 | Feb 11 1983 | Mar 17 1997 | Apr 11 1950 | May 23 1973 | Jun 29 1992 | Jul 16 1974 | Aug 11 1957 | Sep 20 1973 | Oct 19 1956 | Nov 24 1998 | Dec 22 1957 |
| Single day record snowfall (cm) | 60 | 28 | 66 | 15 | 0 | 0 | 0 | 0 | 0 | 3 | 36 | 60 |
| Date | Jan 04 1978 | Feb 12 1975 | Mar 03 1996 | Apr 27 1962 | May 14 1974 | Jun 01 1945 | Jul 01 1944 | Aug 01 1944 | Sep 01 1944 | Oct 29 1975 | Nov 01 1984 | Dec 21 1967 |
| Single day record precipitation (mm) | 77 | 80 | 67 | 47 | 29 | 39 | 37 | 69 | 42 | 66 | 79 | 113 |
| Date | Jan 18 1968 | Feb 11 1983 | Mar 17 1997 | Apr 27 1962 | May 23 1973 | Jun 29 1992 | Jul 16 1974 | Aug 11 1957 | Sep 20 1973 | Oct 29 1975 | Nov 24 1998 | Dec 22 1957 |