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 | 5.3 | 8.1 | 11.2 | 14.7 | 18.1 | 20.5 | 23.7 | 24 | 21.1 | 14.9 | 8.7 | 5.5 |
| Average low | -0.3 | 1.2 | 3.1 | 5.4 | 8.5 | 10.9 | 12.7 | 12.7 | 10.5 | 6.7 | 3.1 | 0.2 |
| Average | 2.5 | 4.7 | 7.2 | 10.1 | 13.3 | 15.7 | 18.2 | 18.4 | 15.8 | 10.8 | 5.9 | 2.9 |
| Record daily high | 17.2 | 21.7 | 25 | 32.2 | 36 | 36.7 | 38.3 | 39.4 | 35.6 | 28.3 | 21.1 | 17.2 |
| Date | Jan 15 1974 | Feb 10 1906 | Mar 31 1900 | Apr 29 1900 | May 29 1983 | Jun 25 1925 | Jul 27 1958 | Aug 10 1898 | Sep 08 1898 | Oct 01 1923 | Nov 04 1949 | Dec 01 1935 |
| Record daily low | -25 | -24.4 | -14.4 | -3.9 | -1.1 | 1.7 | 3.3 | 1.7 | -1.1 | -8.5 | -19 | -21.1 |
| Date | Jan 31 1893 | Feb 02 1893 | Mar 04 1955 | Apr 05 1936 | May 05 1895 | Jun 05 1899 | Jul 06 1892 | Aug 21 1918 | Sep 23 1908 | Oct 31 1984 | Nov 28 1985 | Dec 29 1968 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Monthly rainfall (mm) | 196 | 152 | 152 | 120 | 102 | 93 | 66 | 61 | 89 | 172 | 256 | 221 |
| Annual average: 1680 | ||||||||||||
| Monthly snowfall (cm) | 27 | 14 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 20 |
| Annual average: 75 | ||||||||||||
| Monthly precipitation (mm) | 223 | 165 | 156 | 121 | 102 | 93 | 66 | 61 | 89 | 172 | 265 | 242 |
| Annual average: 1754 | ||||||||||||
| Single day record rainfall (mm) | 113 | 116 | 86 | 93 | 65 | 64 | 85 | 59 | 80 | 98 | 100 | 93 |
| Date | Jan 03 1984 | Feb 09 1951 | Mar 31 1959 | Apr 28 1959 | May 12 1986 | Jun 01 1968 | Jul 11 1983 | Aug 25 1909 | Sep 12 1919 | Oct 25 1922 | Nov 27 1909 | Dec 08 1956 |
| Single day record snowfall (cm) | 46 | 46 | 31 | 15 | 5 | 0 | 0 | 0 | 0 | 5 | 48 | 37 |
| Date | Jan 20 1935 | Feb 03 1893 | Mar 01 1919 | Apr 03 1920 | May 07 1916 | Jun 01 1890 | Jul 01 1890 | Aug 01 1890 | Sep 01 1890 | Oct 29 1919 | Nov 16 1996 | Dec 30 1990 |
| Single day record precipitation (mm) | 113 | 116 | 86 | 93 | 65 | 64 | 85 | 59 | 80 | 98 | 100 | 99 |
| Date | Jan 03 1984 | Feb 09 1951 | Mar 31 1959 | Apr 28 1959 | May 12 1986 | Jun 01 1968 | Jul 11 1983 | Aug 25 1909 | Sep 12 1919 | Oct 25 1922 | Nov 27 1909 | Dec 08 1956 |