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 | 6.6 | 7.7 | 10.9 | 14.8 | 18.5 | 21.8 | 23.5 | 24.6 | 21.4 | 14 | 9.1 | 6.1 |
| Average low | -0.1 | -0.5 | 0.4 | 3.4 | 6 | 8.9 | 10.9 | 10.3 | 7.4 | 4.5 | 1.7 | 0.3 |
| Average | 3.3 | 3.6 | 5.7 | 9.1 | 12.3 | 15.3 | 17.3 | 17.5 | 14.5 | 9.3 | 5.4 | 3.2 |
| Record daily high | 13.5 | 16.5 | 20 | 26 | 30.5 | 34 | 36 | 34.5 | 32 | 25 | 16 | 12 |
| Date | Jan 29 1989 | Feb 07 1995 | Mar 28 1994 | Apr 30 1998 | May 12 1993 | Jun 30 1995 | Jul 18 1995 | Aug 03 1993 | Sep 02 1988 | Oct 02 1993 | Nov 11 1991 | Dec 15 1995 |
| Record daily low | -15 | -16 | -10 | -3 | -1 | 2 | 6 | 4.5 | 0 | -6 | -10 | -13 |
| Date | Jan 30 1996 | Feb 03 1989 | Mar 02 1989 | Apr 11 1991 | May 10 1999 | Jun 04 1988 | Jul 15 1987 | Aug 24 1992 | Sep 13 1992 | Oct 31 1995 | Nov 23 1993 | Dec 29 1990 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Monthly rainfall (mm) | 215 | 132 | 133 | 91 | 63 | 61 | 37 | 39 | 47 | 149 | 234 | 200 |
| Annual average: 1399 | ||||||||||||
| Monthly snowfall (cm) | 14 | 12 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 12 |
| Annual average: 50 | ||||||||||||
| Monthly precipitation (mm) | 230 | 143 | 142 | 91 | 63 | 61 | 37 | 39 | 47 | 149 | 237 | 212 |
| Annual average: 1449 | ||||||||||||
| Single day record rainfall (mm) | 70 | 61 | 102 | 31 | 33 | 36 | 25 | 50 | 53 | 50 | 93 | 76 |
| Date | Jan 29 1992 | Feb 02 1992 | Mar 17 1997 | Apr 15 1997 | May 04 1997 | Jun 02 1990 | Jul 01 1994 | Aug 29 1991 | Sep 16 1997 | Oct 17 1996 | Nov 23 1998 | Dec 09 1995 |
| Single day record snowfall (cm) | 19 | 22 | 38 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 8 | 25 |
| Date | Jan 31 1990 | Feb 17 1989 | Mar 01 1991 | Apr 24 1985 | May 01 1985 | Jun 01 1985 | Jul 01 1985 | Aug 01 1985 | Sep 01 1985 | Oct 28 1991 | Nov 18 1985 | Dec 28 1992 |
| Single day record precipitation (mm) | 70 | 61 | 102 | 31 | 33 | 36 | 25 | 50 | 53 | 50 | 93 | 77 |
| Date | Jan 29 1992 | Feb 02 1992 | Mar 17 1997 | Apr 15 1997 | May 04 1997 | Jun 02 1990 | Jul 01 1994 | Aug 29 1991 | Sep 16 1997 | Oct 17 1996 | Nov 23 1998 | Dec 09 1995 |