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 | 7.4 | 10 | 13.2 | 16.9 | 19.6 | 22.9 | 23.1 | 20.2 | 14 | 8.3 | 5.6 |
| Average low | -0.3 | 0.4 | 1.4 | 3.5 | 6.8 | 9.7 | 11.7 | 11.9 | 9.2 | 5.7 | 2.4 | 0.4 |
| Average | 2.7 | 3.9 | 5.7 | 8.4 | 11.8 | 14.7 | 17.3 | 17.5 | 14.7 | 9.9 | 5.4 | 3 |
| Record daily high | 14.5 | 18.3 | 22.2 | 30 | 33.9 | 35.6 | 37.2 | 36.1 | 33.5 | 28.3 | 20 | 16 |
| Date | Jan 11 1983 | Feb 10 1963 | Mar 26 1930 | Apr 22 1934 | May 26 1947 | Jun 25 1925 | Jul 16 1941 | Aug 24 1916 | Sep 03 1988 | Oct 02 1935 | Nov 01 1949 | Dec 26 1980 |
| Record daily low | -21.1 | -16.7 | -11.7 | -5.6 | -3.9 | 0 | 3.9 | 3.3 | -3.9 | -7.2 | -15.6 | -15 |
| Date | Jan 30 1950 | Feb 03 1950 | Mar 05 1955 | Apr 01 1936 | May 01 1954 | Jun 02 1918 | Jul 02 1918 | Aug 16 1935 | Sep 24 1926 | Oct 30 1935 | Nov 14 1955 | Dec 30 1927 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Monthly rainfall (mm) | 172 | 139 | 115 | 65 | 49 | 40 | 25 | 29 | 38 | 104 | 207 | 190 |
| Annual average: 1172 | ||||||||||||
| Monthly snowfall (cm) | 26 | 16 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 7 | 19 |
| Annual average: 75 | ||||||||||||
| Monthly precipitation (mm) | 198 | 155 | 120 | 65 | 49 | 40 | 25 | 29 | 38 | 105 | 215 | 209 |
| Annual average: 1247 | ||||||||||||
| Single day record rainfall (mm) | 96 | 69 | 64 | 73 | 53 | 37 | 30 | 64 | 63 | 68 | 82 | 91 |
| Date | Jan 18 1986 | Feb 16 1949 | Mar 18 1997 | Apr 03 1991 | May 16 1931 | Jun 15 1931 | Jul 03 1998 | Aug 22 1975 | Sep 22 1924 | Oct 16 1975 | Nov 27 1973 | Dec 13 1979 |
| Single day record snowfall (cm) | 56 | 53 | 42 | 5 | 0 | 0 | 0 | 0 | 0 | 10 | 48 | 66 |
| Date | Jan 20 1935 | Feb 15 1923 | Mar 05 1961 | Apr 03 1975 | May 01 1911 | Jun 01 1911 | Jul 01 1911 | Aug 01 1911 | Sep 01 1911 | Oct 31 1984 | Nov 12 1911 | Dec 25 1937 |
| Single day record precipitation (mm) | 96 | 69 | 64 | 73 | 53 | 37 | 30 | 64 | 63 | 68 | 82 | 91 |
| Date | Jan 18 1986 | Feb 16 1949 | Mar 18 1997 | Apr 03 1991 | May 16 1931 | Jun 15 1931 | Jul 03 1998 | Aug 22 1975 | Sep 22 1924 | Oct 16 1975 | Nov 27 1973 | Dec 13 1979 |