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 | -12.5 | -4.5 | -1.9 | 3.5 | 7.9 | 11.6 | 14.9 | 15 | 9.8 | 4.1 | -3.8 | -8.9 |
| Average high | -6.3 | 2.7 | 3.9 | 11 | 15.3 | 18.7 | 22.6 | 23.6 | 17.7 | 10.3 | 1.2 | -3.6 |
| Average low | -18.7 | -11.6 | -7.7 | -4 | 0.5 | 4.5 | 7.1 | 6.2 | 1.9 | -2 | -8.8 | -14.2 |
| Record daily high | 8 | 11.3 | 17.7 | 23.4 | 28 | 28 | 34.2 | 34.4 | 30.3 | 21.9 | 16.8 | 9.7 |
| Date | Jan 03 2001 | Feb 24 1997 | Mar 21 1999 | Apr 30 1998 | May 24 1999 | Jun 15 1999 | Jul 27 1998 | Aug 28 1996 | Sep 06 1998 | Oct 01 1998 | Nov 07 1999 | Dec 13 1997 |
| Record daily low | -44.8 | -33.3 | -36.5 | -16.7 | -7.9 | -3.8 | -0.3 | -0.3 | -9.8 | -16.2 | -36.3 | -41.9 |
| Date | Jan 25 1997 | Feb 16 2001 | Mar 08 2002 | Apr 15 2000 | May 09 1996 | Jun 01 2000 | Jul 17 1999 | Aug 15 2000 | Sep 22 2000 | Oct 30 1996 | Nov 21 1996 | Dec 29 1996 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Record humidex | 7.8 | 10.8 | 18.3 | 23.1 | 27.2 | 30.4 | 33.6 | 35.7 | 30.2 | 21.7 | 15.6 | 8.1 |
| Date | Jan 29 1995 | Feb 07 2000 | Mar 30 1994 | Apr 30 1998 | May 24 1999 | Jun 26 2002 | Jul 12 2002 | Aug 05 1997 | Sep 06 1998 | Oct 01 1998 | Nov 07 1999 | Dec 13 1997 |
| Days with humidex over 30 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 4 | 0 | 0 | 0 | 0 |
| Days with humidex over 35 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Days with humidex over 40 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Record windchill | -52.6 | -46.5 | -39 | -20.9 | -13.1 | -6.3 | -1.3 | -4.2 | -10 | -20.7 | -40 | -49.7 |
| Date | Jan 26 1997 | Feb 07 1994 | Mar 09 2002 | Apr 14 2000 | May 07 1996 | Jun 01 2000 | Jul 06 2002 | Aug 27 1994 | Sep 22 2000 | Oct 31 2002 | Nov 23 1996 | Dec 29 1996 |
| Days with wind chill below -20 | 16 | 8 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 12 |
| Days with Wind chill below -30 | 8 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
| Days with Wind chill below -40 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |