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 | -1 | 3.2 | 10.5 | 16 | 20.2 | 23.6 | 28.1 | 28.1 | 24 | 14.1 | 4.4 | -1.7 |
| Average low | -8.2 | -6.2 | -2.7 | 0.8 | 4.6 | 7.6 | 9.7 | 8.8 | 4.5 | 0.1 | -3 | -7.6 |
| Average | -4.6 | -1.5 | 3.9 | 8.4 | 12.4 | 15.6 | 18.9 | 18.4 | 14.3 | 7.1 | 0.7 | -4.7 |
| Record daily high | 11.5 | 15 | 25 | 27.5 | 34.5 | 36 | 39 | 38 | 36.5 | 28 | 16 | 10 |
| Date | Jan 30 1989 | Feb 26 1991 | Mar 31 1994 | Apr 30 1998 | May 12 1993 | Jun 23 1992 | Jul 23 1994 | Aug 03 1998 | Sep 04 1988 | Oct 02 1992 | Nov 11 1990 | Dec 13 1998 |
| Record daily low | -33 | -31 | -20 | -8 | -4 | -0.5 | 4 | 0 | -6 | -15 | -22 | -32 |
| Date | Jan 30 1996 | Feb 02 1996 | Mar 03 1989 | Apr 11 1997 | May 03 1996 | Jun 04 1991 | Jul 05 1996 | Aug 28 2000 | Sep 28 1999 | Oct 28 1991 | Nov 25 1993 | Dec 29 1990 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Monthly rainfall (mm) | 6 | 13 | 24 | 46 | 72 | 62 | 52 | 33 | 22 | 23 | 21 | 6 |
| Annual average: 380 | ||||||||||||
| Monthly snowfall (cm) | 31 | 15 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 35 |
| Annual average: 105 | ||||||||||||
| Monthly precipitation (mm) | 37 | 28 | 30 | 47 | 72 | 62 | 52 | 33 | 22 | 23 | 39 | 42 |
| Annual average: 486 | ||||||||||||
| Single day record rainfall (mm) | 9 | 14 | 14 | 27 | 54 | 27 | 59 | 44 | 30 | 12 | 14 | 9 |
| Date | Jan 30 1995 | Feb 17 1994 | Mar 25 2001 | Apr 23 1998 | May 26 1998 | Jun 28 1992 | Jul 19 1992 | Aug 09 1989 | Sep 03 1997 | Oct 02 1995 | Nov 06 1992 | Dec 12 1998 |
| Single day record snowfall (cm) | 12 | 16 | 21 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 16 | 14 |
| Date | Jan 21 1990 | Feb 28 1991 | Mar 12 1997 | Apr 01 1989 | May 01 1988 | Jun 01 1987 | Jul 01 1987 | Aug 01 1987 | Sep 01 1987 | Oct 24 1991 | Nov 27 1996 | Dec 25 1998 |
| Single day record precipitation (mm) | 12 | 17 | 21 | 27 | 54 | 27 | 59 | 44 | 30 | 12 | 16 | 14 |
| Date | Jan 21 1990 | Feb 28 1991 | Mar 12 1997 | Apr 23 1998 | May 26 1998 | Jun 28 1992 | Jul 19 1992 | Aug 09 1989 | Sep 03 1997 | Oct 02 1995 | Nov 27 1996 | Dec 25 1998 |