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 | 8.6 | 11 | 14.1 | 18 | 20.9 | 23.7 | 23.9 | 21.2 | 14.5 | 9.7 | 6.6 |
| Average low | 1.5 | 1.6 | 2.9 | 4.9 | 8 | 10.8 | 12.5 | 12.5 | 10.2 | 6.4 | 3.6 | 1.3 |
| Average | 4.3 | 5.1 | 6.9 | 9.5 | 13.1 | 15.9 | 18.1 | 18.2 | 15.8 | 10.5 | 6.7 | 3.9 |
| Record daily high | 14 | 17 | 21.5 | 27.5 | 29.5 | 34 | 34.5 | 35 | 29 | 25 | 17 | 13 |
| Date | Jan 07 1996 | Feb 27 1991 | Mar 28 1994 | Apr 30 1998 | May 12 1993 | Jun 24 1989 | Jul 23 1991 | Aug 31 1998 | Sep 08 1989 | Oct 02 1993 | Nov 08 1996 | Dec 02 1989 |
| Record daily low | -11 | -12 | -7 | -1 | 0.5 | 5 | 7.5 | 8 | 4 | -1.5 | -7 | -14.5 |
| Date | Jan 30 1996 | Feb 01 1989 | Mar 03 1989 | Apr 07 2001 | May 10 1999 | Jun 11 2000 | Jul 03 2000 | Aug 25 1993 | Sep 16 1992 | Oct 30 1991 | Nov 24 1993 | Dec 29 1990 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Monthly rainfall (mm) | 135 | 102 | 83 | 57 | 46 | 37 | 23 | 33 | 32 | 89 | 157 | 136 |
| Annual average: 931 | ||||||||||||
| Monthly snowfall (cm) | 9 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 10 |
| Annual average: 31 | ||||||||||||
| Monthly precipitation (mm) | 144 | 109 | 84 | 57 | 46 | 37 | 23 | 33 | 32 | 90 | 161 | 146 |
| Annual average: 963 | ||||||||||||
| Single day record rainfall (mm) | 75 | 48 | 45 | 52 | 30 | 29 | 26 | 64 | 30 | 49 | 65 | 48 |
| Date | Jan 28 1999 | Feb 23 1999 | Mar 17 1997 | Apr 03 1991 | May 25 1984 | Jun 16 1980 | Jul 21 1992 | Aug 22 1975 | Sep 01 1983 | Oct 16 1975 | Nov 27 1984 | Dec 16 1979 |
| Single day record snowfall (cm) | 22 | 23 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 22 | 17 |
| Date | Jan 04 1982 | Feb 11 1975 | Mar 01 1991 | Apr 01 1975 | May 01 1975 | Jun 01 1975 | Jul 01 1975 | Aug 01 1975 | Sep 01 1975 | Oct 28 1991 | Nov 26 1985 | Dec 28 1992 |
| Single day record precipitation (mm) | 75 | 48 | 45 | 52 | 30 | 29 | 26 | 64 | 30 | 49 | 65 | 48 |
| Date | Jan 28 1999 | Feb 23 1999 | Mar 17 1997 | Apr 03 1991 | May 25 1984 | Jun 16 1980 | Jul 21 1992 | Aug 22 1975 | Sep 01 1983 | Oct 16 1975 | Nov 27 1984 | Dec 16 1979 |