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 | 7.3 | 9.5 | 12.7 | 16.4 | 19.1 | 22 | 21.8 | 18.4 | 13 | 8.3 | 5.8 |
| Average low | 0.3 | 0.8 | 1.6 | 3.9 | 7 | 9.9 | 11.6 | 11.3 | 8.4 | 5.2 | 2.4 | 0.7 |
| Average | 3 | 4 | 5.6 | 8.3 | 11.7 | 14.5 | 16.8 | 16.6 | 13.4 | 9.1 | 5.4 | 3.3 |
| Record daily high | 14.4 | 16.1 | 18.9 | 24 | 31.5 | 30.5 | 31.1 | 31.1 | 32 | 23.5 | 17.8 | 16 |
| Date | Jan 20 1968 | Feb 19 1977 | Mar 30 1964 | Apr 30 1998 | May 29 1983 | Jun 30 1995 | Jul 30 1965 | Aug 04 1977 | Sep 01 1987 | Oct 01 1992 | Nov 04 1975 | Dec 10 1980 |
| Record daily low | -15.6 | -13 | -9 | -2.8 | 0 | 2.8 | 5 | 4.4 | -0.5 | -6 | -14 | -14.4 |
| Date | Jan 30 1969 | Feb 03 1989 | Mar 03 1989 | Apr 12 1968 | May 24 1975 | Jun 01 1973 | Jul 02 1971 | Aug 26 1974 | Sep 28 1983 | Oct 31 1984 | Nov 29 1985 | Dec 28 1968 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Monthly rainfall (mm) | 177 | 151 | 115 | 69 | 51 | 47 | 28 | 37 | 52 | 137 | 214 | 186 |
| Annual average: 1264 | ||||||||||||
| Monthly snowfall (cm) | 16 | 12 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 14 |
| Annual average: 50 | ||||||||||||
| Monthly precipitation (mm) | 193 | 164 | 118 | 69 | 51 | 47 | 28 | 37 | 52 | 137 | 218 | 200 |
| Annual average: 1314 | ||||||||||||
| Single day record rainfall (mm) | 117 | 99 | 117 | 42 | 28 | 34 | 31 | 66 | 42 | 80 | 85 | 85 |
| Date | Jan 14 1973 | Feb 01 1991 | Mar 17 1997 | Apr 15 1997 | May 23 1973 | Jun 25 1980 | Jul 07 1997 | Aug 29 1991 | Sep 17 1983 | Oct 30 1981 | Nov 27 1966 | Dec 26 1980 |
| Single day record snowfall (cm) | 49 | 46 | 22 | 5 | 0 | 0 | 0 | 0 | 0 | 6 | 12 | 46 |
| Date | Jan 03 1978 | Feb 11 1975 | Mar 03 1996 | Apr 11 1972 | May 01 1963 | Jun 01 1963 | Jul 01 1963 | Aug 01 1962 | Sep 01 1962 | Oct 31 1984 | Nov 20 1974 | Dec 30 1968 |
| Single day record precipitation (mm) | 117 | 99 | 117 | 42 | 28 | 34 | 31 | 66 | 42 | 80 | 85 | 85 |
| Date | Jan 14 1973 | Feb 01 1991 | Mar 17 1997 | Apr 15 1997 | May 23 1973 | Jun 25 1980 | Jul 07 1997 | Aug 29 1991 | Sep 17 1983 | Oct 30 1981 | Nov 27 1966 | Dec 26 1980 |