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 | 7.5 | 10.4 | 13.8 | 17.5 | 20.3 | 23.8 | 24 | 20.7 | 13.7 | 8.2 | 5.3 |
| Average low | -0.9 | -1 | 0.3 | 2.2 | 5.3 | 8.2 | 10.1 | 9.7 | 6.7 | 3.6 | 0.8 | -0.8 |
| Average | 2.4 | 3.3 | 5.4 | 8 | 11.4 | 14.3 | 17 | 16.9 | 13.7 | 8.7 | 4.5 | 2.2 |
| Record daily high | 15 | 18 | 20 | 26 | 29 | 33.5 | 35 | 33 | 33 | 24 | 15.5 | 14.5 |
| Date | Jan 28 1984 | Feb 27 1986 | Mar 29 1994 | Apr 27 1987 | May 12 1993 | Jun 29 1987 | Jul 27 1998 | Aug 10 1990 | Sep 01 1987 | Oct 01 1987 | Nov 09 1987 | Dec 03 1993 |
| Record daily low | -14.5 | -17.5 | -9 | -5 | -3 | 2 | 3 | 2 | -2 | -8 | -18 | -18 |
| Date | Jan 06 1993 | Feb 04 1989 | Mar 03 1989 | Apr 09 1999 | May 10 1999 | Jun 04 1988 | Jul 01 1985 | Aug 23 1992 | Sep 16 1992 | Oct 31 1984 | Nov 29 1985 | Dec 01 1985 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Monthly rainfall (mm) | 159 | 114 | 96 | 69 | 57 | 50 | 26 | 35 | 37 | 110 | 180 | 145 |
| Annual average: 1078 | ||||||||||||
| Monthly snowfall (cm) | 11 | 13 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 7 | 9 |
| Annual average: 47 | ||||||||||||
| Monthly precipitation (mm) | 170 | 128 | 101 | 69 | 57 | 50 | 26 | 35 | 37 | 111 | 187 | 154 |
| Annual average: 1126 | ||||||||||||
| Single day record rainfall (mm) | 80 | 61 | 83 | 25 | 27 | 32 | 33 | 65 | 26 | 44 | 56 | 86 |
| Date | Jan 14 1961 | Feb 01 1991 | Mar 17 1997 | Apr 15 1997 | May 25 1984 | Jun 01 1962 | Jul 03 1998 | Aug 29 1991 | Sep 27 1961 | Oct 19 2000 | Nov 10 1990 | Dec 12 1960 |
| Single day record snowfall (cm) | 13 | 35 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 16 | 42 |
| Date | Jan 06 1991 | Feb 01 1989 | Mar 01 1991 | Apr 01 1961 | May 10 1985 | Jun 01 1961 | Jul 01 1961 | Aug 01 1961 | Sep 01 1961 | Oct 31 1984 | Nov 26 1985 | Dec 28 1996 |
| Single day record precipitation (mm) | 80 | 61 | 83 | 25 | 27 | 32 | 33 | 65 | 26 | 44 | 56 | 86 |
| Date | Jan 14 1961 | Feb 01 1991 | Mar 17 1997 | Apr 15 1997 | May 25 1984 | Jun 01 1962 | Jul 03 1998 | Aug 29 1991 | Sep 27 1961 | Oct 19 2000 | Nov 10 1990 | Dec 12 1960 |