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 | 5.8 | 8.5 | 11.3 | 14.5 | 17.8 | 20.3 | 23.4 | 23.8 | 21 | 15 | 9.1 | 5.9 |
| Average low | -0.6 | 0.8 | 2.3 | 4.4 | 7.2 | 9.9 | 11.5 | 11.5 | 8.8 | 5.4 | 2.3 | -0.3 |
| Average | 2.6 | 4.7 | 6.8 | 9.5 | 12.5 | 15.1 | 17.5 | 17.7 | 15 | 10.2 | 5.7 | 2.8 |
| Record daily high | 17.7 | 20.6 | 24.9 | 29.8 | 36 | 34.7 | 37.8 | 36.3 | 37.5 | 29.3 | 20.6 | 18.2 |
| Date | Jan 10 1986 | Feb 27 1968 | Mar 28 1994 | Apr 30 1998 | May 29 1983 | Jun 18 1982 | Jul 27 1958 | Aug 17 1977 | Sep 03 1988 | Oct 01 1987 | Nov 02 1949 | Dec 26 1980 |
| Record daily low | -21.1 | -18.9 | -12.8 | -4.4 | -2.2 | 1.1 | 2.2 | 3.3 | -1.7 | -7.5 | -16.7 | -20 |
| Date | Jan 18 1950 | Feb 01 1950 | Mar 04 1955 | Apr 01 1975 | May 01 1954 | Jun 03 1976 | Jul 04 1945 | Aug 19 1947 | Sep 27 1972 | Oct 31 1984 | Nov 27 1985 | Dec 29 1968 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Monthly rainfall (mm) | 174 | 148 | 142 | 120 | 99 | 79 | 50 | 49 | 76 | 145 | 234 | 191 |
| Annual average: 1507 | ||||||||||||
| Monthly snowfall (cm) | 23 | 13 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 17 |
| Annual average: 63 | ||||||||||||
| Monthly precipitation (mm) | 198 | 160 | 146 | 120 | 99 | 79 | 50 | 49 | 76 | 145 | 241 | 209 |
| Annual average: 1573 | ||||||||||||
| Single day record rainfall (mm) | 78 | 83 | 76 | 60 | 54 | 50 | 70 | 48 | 54 | 83 | 95 | 90 |
| Date | Jan 19 1968 | Feb 13 1982 | Mar 05 1972 | Apr 10 1946 | May 06 1960 | Jun 24 1971 | Jul 12 1972 | Aug 22 2001 | Sep 01 1983 | Oct 25 1945 | Nov 03 1971 | Dec 17 1979 |
| Single day record snowfall (cm) | 50 | 26 | 33 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 32 | 44 |
| Date | Jan 21 1954 | Feb 23 1982 | Mar 06 1951 | Apr 03 1947 | May 07 1996 | Jun 01 1945 | Jul 01 1945 | Aug 01 1945 | Sep 01 1945 | Oct 30 1956 | Nov 30 1975 | Dec 30 1990 |
| Single day record precipitation (mm) | 90 | 83 | 76 | 60 | 54 | 50 | 70 | 48 | 54 | 83 | 95 | 90 |
| Date | Jan 23 1982 | Feb 13 1982 | Mar 05 1972 | Apr 10 1946 | May 06 1960 | Jun 24 1971 | Jul 12 1972 | Aug 22 2001 | Sep 01 1983 | Oct 25 1945 | Nov 03 1971 | Dec 17 1979 |