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 | 8.6 | 11.3 | 14.9 | 18.5 | 21 | 24.5 | 24.3 | 22.5 | 15.1 | 9.6 | 6.1 |
| Average low | -0.2 | -0.1 | 1.3 | 3.5 | 6.3 | 9 | 11 | 10.7 | 7.9 | 4.9 | 2.2 | 0.2 |
| Average | 3.2 | 4.3 | 6.3 | 9.2 | 12.4 | 15 | 17.8 | 17.5 | 15.2 | 10 | 5.9 | 3.1 |
| Record daily high | 13.5 | 18.5 | 23.5 | 28.5 | 32 | 34 | 36 | 34.5 | 35 | 27 | 18 | 15 |
| Date | Jan 28 1988 | Feb 26 1991 | Mar 28 1994 | Apr 30 1998 | May 12 1993 | Jun 30 1995 | Jul 27 1998 | Aug 04 1993 | Sep 03 1988 | Oct 02 1993 | Nov 08 1996 | Dec 29 1997 |
| Record daily low | -14 | -15 | -10 | -3 | -1.5 | 2.5 | 5 | 5 | 0 | -4.5 | -10.5 | -15.5 |
| Date | Jan 30 1996 | Feb 04 1989 | Mar 03 1989 | Apr 06 1997 | May 09 1999 | Jun 05 1988 | Jul 04 1988 | Aug 28 2000 | Sep 23 2000 | Oct 31 1995 | Nov 23 1993 | Dec 29 1990 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Monthly rainfall (mm) | 216 | 148 | 126 | 85 | 51 | 40 | 25 | 33 | 28 | 117 | 219 | 207 |
| Annual average: 1294 | ||||||||||||
| Monthly snowfall (cm) | 21 | 16 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 22 |
| Annual average: 70 | ||||||||||||
| Monthly precipitation (mm) | 238 | 164 | 133 | 85 | 51 | 40 | 25 | 33 | 28 | 117 | 222 | 229 |
| Annual average: 1365 | ||||||||||||
| Single day record rainfall (mm) | 69 | 68 | 73 | 81 | 28 | 40 | 15 | 51 | 35 | 58 | 70 | 67 |
| Date | Jan 28 1999 | Feb 23 1999 | Mar 17 1997 | Apr 03 1991 | May 29 1987 | Jun 11 2000 | Jul 09 1995 | Aug 29 1991 | Sep 24 1988 | Oct 17 1996 | Nov 07 1995 | Dec 09 1993 |
| Single day record snowfall (cm) | 24 | 33 | 20 | 1 | 0 | 0 | 0 | 0 | 0 | 7 | 10 | 43 |
| Date | Jan 31 1990 | Feb 17 1989 | Mar 01 1989 | Apr 05 1988 | May 01 1987 | Jun 01 1987 | Jul 01 1987 | Aug 01 1987 | Sep 01 1987 | Oct 28 1991 | Nov 16 1996 | Dec 28 1996 |
| Single day record precipitation (mm) | 85 | 68 | 73 | 81 | 28 | 40 | 15 | 51 | 35 | 58 | 70 | 67 |
| Date | Jan 28 1999 | Feb 23 1999 | Mar 17 1997 | Apr 03 1991 | May 29 1987 | Jun 11 2000 | Jul 09 1995 | Aug 29 1991 | Sep 24 1988 | Oct 17 1996 | Nov 07 1995 | Dec 09 1993 |