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 | 7.1 | 8.3 | 10.5 | 13.7 | 16.7 | 19.3 | 21.4 | 21.2 | 18.4 | 13.3 | 9.6 | 6.9 |
| Average low | 2.7 | 3.3 | 4.9 | 7.3 | 9.8 | 12.2 | 14 | 14.3 | 12.1 | 8.9 | 5.6 | 2.8 |
| Average | 4.9 | 5.8 | 7.7 | 10.5 | 13.3 | 15.8 | 17.7 | 17.8 | 15.4 | 11.1 | 7.6 | 4.8 |
| Record daily high | 14.5 | 15.5 | 17.5 | 23 | 25.5 | 29 | 31 | 28.5 | 28.5 | 22 | 15.5 | 13 |
| Date | Jan 31 1992 | Feb 07 1998 | Mar 29 1994 | Apr 30 1998 | May 24 1999 | Jun 29 1987 | Jul 25 1988 | Aug 05 1990 | Sep 01 1987 | Oct 11 1991 | Nov 11 1991 | Dec 03 1989 |
| Record daily low | -9.5 | -12 | -3.5 | 0 | 4.5 | 7 | 9.5 | 10 | 6.5 | -1.5 | -7 | -11.5 |
| Date | Jan 30 1996 | Feb 02 1989 | Mar 01 1989 | Apr 13 1998 | May 08 1999 | Jun 05 1988 | Jul 04 1988 | Aug 17 1987 | Sep 15 1992 | Oct 29 1991 | Nov 24 1993 | Dec 29 1990 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Monthly rainfall (mm) | 110 | 85 | 77 | 64 | 50 | 44 | 31 | 32 | 42 | 86 | 141 | 125 |
| Annual average: 886 | ||||||||||||
| Monthly snowfall (cm) | 11 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 13 |
| Annual average: 31 | ||||||||||||
| Monthly precipitation (mm) | 121 | 90 | 78 | 64 | 50 | 44 | 31 | 32 | 42 | 86 | 143 | 137 |
| Annual average: 917 | ||||||||||||
| Single day record rainfall (mm) | 40 | 37 | 38 | 33 | 25 | 35 | 30 | 47 | 28 | 62 | 42 | 45 |
| Date | Jan 17 1986 | Feb 13 1982 | Mar 15 1974 | Apr 22 1996 | May 12 1988 | Jun 28 1984 | Jul 11 1972 | Aug 22 1975 | Sep 20 1972 | Oct 16 1975 | Nov 20 1980 | Dec 16 1979 |
| Single day record snowfall (cm) | 22 | 18 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 13 | 39 |
| Date | Jan 07 1991 | Feb 11 1975 | Mar 01 1991 | Apr 01 1971 | May 01 1971 | Jun 01 1971 | Jul 01 1971 | Aug 01 1971 | Sep 01 1971 | Oct 31 1984 | Nov 29 1975 | Dec 28 1996 |
| Single day record precipitation (mm) | 40 | 37 | 38 | 33 | 25 | 35 | 30 | 47 | 28 | 62 | 42 | 45 |
| Date | Jan 17 1986 | Feb 13 1982 | Mar 15 1974 | Apr 22 1996 | May 12 1988 | Jun 28 1984 | Jul 11 1972 | Aug 22 1975 | Sep 20 1972 | Oct 16 1975 | Nov 20 1980 | Dec 16 1979 |