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 | 5.7 | 7.7 | 10.3 | 13.3 | 17.4 | 20.1 | 24 | 24.4 | 21.1 | 14.4 | 8.3 | 5.3 |
| Average low | -0.2 | 0.3 | 1.6 | 3.3 | 6.4 | 9.1 | 11 | 11.2 | 8.5 | 5.2 | 2.1 | -0.2 |
| Average | 2.8 | 4 | 6 | 8.3 | 11.9 | 14.6 | 17.5 | 17.8 | 14.8 | 9.8 | 5.2 | 2.5 |
| Record daily high | 14.5 | 20 | 22 | 28 | 35 | 39 | 40 | 38 | 39 | 29.5 | 19.4 | 15 |
| Date | Jan 13 1986 | Feb 26 1992 | Mar 13 1992 | Apr 27 1987 | May 29 1983 | Jun 30 1995 | Jul 18 1995 | Aug 25 1996 | Sep 03 1988 | Oct 01 1987 | Nov 04 1975 | Dec 09 1993 |
| Record daily low | -15 | -16 | -9.4 | -7 | -1.1 | 1.1 | 3.9 | 2.8 | -1.7 | -6.1 | -17 | -16 |
| Date | Jan 10 1993 | Feb 19 1986 | Mar 01 1971 | Apr 14 1981 | May 02 1964 | Jun 02 1976 | Jul 04 1969 | Aug 25 1973 | Sep 27 1972 | Oct 14 1977 | Nov 23 1985 | Dec 01 1985 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Monthly rainfall (mm) | 280 | 231 | 209 | 121 | 85 | 57 | 38 | 42 | 63 | 201 | 331 | 276 |
| Annual average: 1933 | ||||||||||||
| Monthly snowfall (cm) | 27 | 22 | 8 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 8 | 21 |
| Annual average: 88 | ||||||||||||
| Monthly precipitation (mm) | 306 | 254 | 217 | 123 | 85 | 57 | 38 | 42 | 63 | 201 | 340 | 297 |
| Annual average: 2022 | ||||||||||||
| Single day record rainfall (mm) | 146 | 115 | 137 | 102 | 92 | 51 | 43 | 92 | 102 | 100 | 111 | 178 |
| Date | Jan 14 1961 | Feb 01 1991 | Mar 17 1997 | Apr 08 1970 | May 23 1973 | Jun 24 1971 | Jul 16 1974 | Aug 29 1991 | Sep 20 1972 | Oct 21 1963 | Nov 07 1995 | Dec 21 1967 |
| Single day record snowfall (cm) | 40 | 46 | 18 | 20 | 6 | 0 | 0 | 0 | 0 | 17 | 27 | 52 |
| Date | Jan 10 1969 | Feb 14 1995 | Mar 07 1990 | Apr 11 1981 | May 12 1986 | Jun 01 1961 | Jul 15 1960 | Aug 01 1960 | Sep 01 1960 | Oct 31 1984 | Nov 26 1985 | Dec 12 1975 |
| Single day record precipitation (mm) | 146 | 115 | 137 | 102 | 92 | 51 | 43 | 92 | 102 | 100 | 111 | 182 |
| Date | Jan 14 1961 | Feb 01 1991 | Mar 17 1997 | Apr 08 1970 | May 23 1973 | Jun 24 1971 | Jul 16 1974 | Aug 29 1991 | Sep 20 1972 | Oct 21 1963 | Nov 07 1995 | Dec 21 1967 |