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 | 7.6 | 9.8 | 12.7 | 15.9 | 18.3 | 21 | 21.3 | 18.3 | 13.2 | 8.6 | 6 |
| Average low | 1.4 | 2.3 | 3.5 | 5.6 | 8.6 | 11.3 | 13.5 | 13.8 | 11.3 | 7.5 | 3.8 | 1.6 |
| Average | 3.7 | 5 | 6.7 | 9.2 | 12.3 | 14.8 | 17.3 | 17.6 | 14.8 | 10.4 | 6.2 | 3.8 |
| Record daily high | 15 | 19.5 | 18 | 22 | 31 | 28.5 | 30.6 | 30 | 27.2 | 23.9 | 18 | 14.5 |
| Date | Jan 20 1981 | Feb 27 1986 | Mar 28 1994 | Apr 27 1987 | May 29 1983 | Jun 28 1995 | Jul 29 1971 | Aug 16 1977 | Sep 05 1973 | Oct 01 1975 | Nov 04 1980 | Dec 25 1980 |
| Record daily low | -10 | -12 | -6.1 | -1.1 | 1.7 | 5 | 7.2 | 7.2 | 2.8 | -3 | -11 | -10.5 |
| Date | Jan 29 1996 | Feb 01 1989 | Mar 04 1976 | Apr 01 1976 | May 24 1975 | Jun 03 1976 | Jul 06 1971 | Aug 18 1973 | Sep 27 1972 | Oct 31 1984 | Nov 27 1985 | Dec 31 1978 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Monthly rainfall (mm) | 157 | 132 | 120 | 93 | 81 | 67 | 46 | 46 | 62 | 133 | 207 | 180 |
| Annual average: 1323 | ||||||||||||
| Monthly snowfall (cm) | 14 | 10 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 13 |
| Annual average: 45 | ||||||||||||
| Monthly precipitation (mm) | 171 | 142 | 124 | 93 | 81 | 67 | 46 | 46 | 62 | 134 | 210 | 193 |
| Annual average: 1369 | ||||||||||||
| Single day record rainfall (mm) | 62 | 51 | 57 | 40 | 42 | 38 | 48 | 53 | 52 | 50 | 51 | 64 |
| Date | Jan 12 1968 | Feb 01 1991 | Mar 17 1997 | Apr 19 1997 | May 26 1989 | Jun 16 1973 | Jul 11 1972 | Aug 29 1991 | Sep 16 1968 | Oct 16 1975 | Nov 29 1964 | Dec 25 1972 |
| Single day record snowfall (cm) | 27 | 36 | 28 | 6 | 0 | 0 | 0 | 0 | 0 | 8 | 15 | 36 |
| Date | Jan 03 1966 | Feb 26 1971 | Mar 03 1962 | Apr 11 1981 | May 01 1962 | Jun 01 1962 | Jul 01 1962 | Aug 01 1962 | Sep 01 1962 | Oct 29 1971 | Nov 29 1962 | Dec 26 1968 |
| Single day record precipitation (mm) | 62 | 51 | 57 | 40 | 42 | 38 | 48 | 53 | 52 | 50 | 51 | 64 |
| Date | Jan 12 1968 | Feb 01 1991 | Mar 17 1997 | Apr 19 1997 | May 26 1989 | Jun 16 1973 | Jul 11 1972 | Aug 29 1991 | Sep 16 1968 | Oct 16 1975 | Nov 29 1964 | Dec 25 1972 |