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 | 2.6 | 2.1 | 4.9 | 7.7 | 14.1 | 18.6 | 21.6 | 21.9 | 18.5 | 11.5 | 7 | 2.4 |
| Average low | -5.9 | -5.8 | -1.7 | 0.4 | 4.7 | 7.7 | 11.7 | 13.2 | 9.4 | 4.1 | 0.6 | -4.2 |
| Average | -1.7 | -1.9 | 1.6 | 4 | 9.4 | 13.1 | 16.6 | 17.6 | 14 | 7.8 | 3.8 | -0.9 |
| Record daily high | 15 | 12 | 15 | 15.5 | 25.5 | 27 | 28.5 | 30 | 33 | 21.5 | 18 | 14 |
| Date | Jan 10 1999 | Feb 15 2000 | Mar 31 2000 | Apr 05 2000 | May 17 1999 | Jun 14 1999 | Jul 24 2001 | Aug 17 2001 | Sep 10 2001 | Oct 04 2000 | Nov 04 2001 | Dec 08 1999 |
| Record daily low | -18.5 | -16 | -11.5 | -7.5 | -6 | -1.5 | 3 | 5.5 | 2 | -5.5 | -9 | -11.5 |
| Date | Jan 19 2001 | Feb 01 2001 | Mar 31 2001 | Apr 20 2000 | May 06 2001 | Jun 10 1999 | Jul 19 2001 | Aug 26 2001 | Sep 24 2000 | Oct 29 1999 | Nov 27 2000 | Dec 26 1998 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Monthly rainfall (mm) | 98 | 56 | 96 | 121 | 72 | 77 | 55 | 92 | 103 | 172 | 123 | 72 |
| Annual average: 1137 | ||||||||||||
| Monthly snowfall (cm) | 32 | 23 | 39 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 59 |
| Annual average: 171 | ||||||||||||
| Monthly precipitation (mm) | 131 | 79 | 135 | 135 | 72 | 77 | 55 | 92 | 103 | 172 | 126 | 132 |
| Annual average: 1308 | ||||||||||||
| Single day record rainfall (mm) | 49 | 37 | 46 | 53 | 28 | 31 | 23 | 39 | 87 | 64 | 32 | 31 |
| Date | Jan 10 1999 | Feb 19 1999 | Mar 16 1999 | Apr 28 1999 | May 21 1999 | Jun 07 2000 | Jul 16 2001 | Aug 18 1998 | Sep 14 2001 | Oct 18 1999 | Nov 17 2000 | Dec 22 1998 |
| Single day record snowfall (cm) | 22 | 19 | 40 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 29 |
| Date | Jan 27 2001 | Feb 23 2001 | Mar 18 2000 | Apr 02 2001 | May 14 1999 | Jun 01 1999 | Jul 01 1999 | Aug 01 1998 | Sep 01 1998 | Oct 01 1998 | Nov 28 2001 | Dec 27 2000 |
| Single day record precipitation (mm) | 49 | 37 | 46 | 53 | 28 | 31 | 23 | 39 | 87 | 64 | 32 | 31 |
| Date | Jan 10 1999 | Feb 19 1999 | Mar 16 1999 | Apr 28 1999 | May 21 1999 | Jun 07 2000 | Jul 16 2001 | Aug 18 1998 | Sep 14 2001 | Oct 18 1999 | Nov 17 2000 | Dec 22 1998 |