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 | 8.8 | 11.4 | 13.2 | - | - | 22.5 | 24.2 | 19.5 | - | - | - |
| Average low | 1.2 | 2.2 | 2.2 | 3.6 | - | - | 11.4 | 13 | 9.3 | - | - | - |
| Average | 3.6 | 5.5 | 6.9 | 8.5 | - | - | 17.2 | 18.8 | 15 | - | - | - |
| Record daily high | 14 | 16 | 22 | 25 | 29.5 | 34 | 34 | 32.5 | 27.5 | 24.5 | 16 | 14 |
| Date | Jan 07 2001 | Feb 14 1996 | Mar 28 1994 | Apr 30 1998 | May 11 1997 | Jun 29 1995 | Jul 17 1995 | Aug 14 1997 | Sep 14 1995 | Oct 09 1996 | Nov 14 1995 | Dec 12 1997 |
| Record daily low | -8 | -6.5 | -3 | -2 | 0 | 3 | 7 | 4.5 | 2 | -2 | -6 | -8 |
| Date | Jan 30 1996 | Feb 01 1996 | Mar 02 1995 | Apr 08 1998 | May 02 1996 | Jun 07 1999 | Jul 10 1996 | Aug 31 1999 | Sep 27 1999 | Oct 30 1995 | Nov 23 1993 | Dec 29 1996 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Monthly rainfall (mm) | 608 | 394 | 327 | 284 | 177 | 162 | 79 | 165 | 164 | 513 | 762 | 651 |
| Annual average: 4285 | ||||||||||||
| Monthly snowfall (cm) | 6 | 19 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 12 |
| Annual average: 49 | ||||||||||||
| Monthly precipitation (mm) | 613 | 412 | 334 | 284 | 177 | 162 | 79 | 165 | 164 | 513 | 768 | 663 |
| Annual average: 4334 | ||||||||||||
| Single day record rainfall (mm) | 258 | 139 | 134 | 126 | 103 | 70 | 140 | 188 | 87 | 136 | 300 | 210 |
| Date | Jan 10 1996 | Feb 01 1991 | Mar 03 1993 | Apr 05 1996 | May 01 1992 | Jun 16 1997 | Jul 07 1997 | Aug 07 1991 | Sep 07 2000 | Oct 29 1997 | Nov 11 1990 | Dec 18 1994 |
| Single day record snowfall (cm) | 34 | 41 | 9 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 39 |
| Date | Jan 12 2000 | Feb 06 1990 | Mar 08 1990 | Apr 01 1996 | May 01 1989 | Jun 01 1989 | Jul 01 1989 | Aug 01 1989 | Sep 01 1989 | Oct 01 1989 | Nov 05 1994 | Dec 23 1998 |
| Single day record precipitation (mm) | 258 | 139 | 134 | 126 | 103 | 70 | 140 | 188 | 87 | 136 | 300 | 210 |
| Date | Jan 10 1996 | Feb 01 1991 | Mar 03 1993 | Apr 05 1996 | May 01 1992 | Jun 16 1997 | Jul 07 1997 | Aug 07 1991 | Sep 07 2000 | Oct 29 1997 | Nov 11 1990 | Dec 18 1994 |