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 | 6.8 | 8.4 | 10.6 | 13.5 | 16.8 | 19.6 | 22 | 22.3 | 19 | 13.9 | 9.3 | 6.8 |
| Average low | 2.7 | 3.4 | 4.6 | 6.5 | 9.5 | 12.2 | 14.1 | 14.4 | 11.6 | 8.2 | 4.8 | 2.8 |
| Average | 4.8 | 5.9 | 7.6 | 10 | 13.2 | 15.9 | 18.1 | 18.3 | 15.4 | 11.1 | 7.1 | 4.8 |
| Record daily high | 15.6 | 16.4 | 19.1 | 23.9 | 32.7 | 30 | 31.7 | 31.7 | 28.5 | 24.2 | 17 | 15 |
| Date | Jan 21 1981 | Feb 03 1992 | Mar 30 1995 | Apr 30 1976 | May 29 1983 | Jun 17 1969 | Jul 29 1960 | Aug 09 1960 | Sep 01 1998 | Oct 03 1980 | Nov 04 1980 | Dec 26 1980 |
| Record daily low | -13.3 | -6.7 | -5 | -1.1 | 1.1 | 2.8 | 2.8 | 5 | 1.7 | -3.2 | -9.9 | -15.6 |
| Date | Jan 29 1969 | Feb 19 1986 | Mar 03 1976 | Apr 13 1970 | May 20 1975 | Jun 25 1974 | Jul 06 1974 | Aug 29 1962 | Sep 16 1962 | Oct 31 1984 | Nov 28 1985 | Dec 30 1968 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Monthly rainfall (mm) | 144 | 174 | 153 | 117 | 87 | 70 | 49 | 48 | 71 | 132 | 220 | 211 |
| Annual average: 1474 | ||||||||||||
| Monthly snowfall (cm) | 15 | 10 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 12 |
| Annual average: 43 | ||||||||||||
| Monthly precipitation (mm) | 179 | 184 | 156 | 118 | 87 | 70 | 53 | 51 | 73 | 148 | 239 | 231 |
| Annual average: 1588 | ||||||||||||
| Single day record rainfall (mm) | 135 | 77 | 60 | 52 | 43 | 54 | 74 | 70 | 61 | 104 | 86 | 85 |
| Date | Jan 18 1968 | Feb 06 1945 | Mar 25 1946 | Apr 10 1946 | May 04 1926 | Jun 14 1942 | Jul 11 1972 | Aug 31 1927 | Sep 14 1939 | Oct 19 1956 | Nov 02 1955 | Dec 08 1956 |
| Single day record snowfall (cm) | 37 | 14 | 20 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 31 |
| Date | Jan 20 1935 | Feb 27 1955 | Mar 04 1951 | Apr 12 1981 | May 01 1926 | Jun 01 1926 | Jul 01 1926 | Aug 01 1926 | Sep 01 1926 | Oct 31 1984 | Nov 19 1973 | Dec 25 1937 |
| Single day record precipitation (mm) | 135 | 77 | 67 | 52 | 43 | 65 | 74 | 70 | 61 | 104 | 86 | 85 |
| Date | Jan 18 1968 | Feb 06 1945 | Mar 18 1997 | Apr 10 1946 | May 04 1926 | Jun 13 1992 | Jul 11 1972 | Aug 31 1927 | Sep 14 1939 | Oct 19 1956 | Nov 02 1955 | Dec 08 1956 |