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 | 7.9 | 8.7 | 10 | 11.5 | 13.9 | 15.8 | 18.1 | 19 | 17.7 | 13.7 | 10 | 7.9 |
| Average low | 3.3 | 3.5 | 3.9 | 5 | 7.4 | 9.6 | 11.3 | 12 | 10.6 | 7.9 | 5.2 | 3.2 |
| Average | 5.6 | 6.1 | 7 | 8.3 | 10.7 | 12.7 | 14.7 | 15.5 | 14.2 | 10.8 | 7.6 | 5.6 |
| Record daily high | 18 | 19 | 21 | 25.5 | 28 | 29.5 | 29.5 | 30 | 27 | 23 | 17.5 | 15 |
| Date | Jan 12 1986 | Feb 26 1992 | Mar 28 1994 | Apr 30 1998 | May 24 1993 | Jun 29 1995 | Jul 20 1994 | Aug 03 1993 | Sep 09 1989 | Oct 01 1987 | Nov 14 1979 | Dec 17 1981 |
| Record daily low | -7 | -12.5 | -2 | -1 | 1.5 | 4 | 6.5 | 7 | 3.5 | -3 | -10 | -8.5 |
| Date | Jan 05 1982 | Feb 03 1989 | Mar 01 1991 | Apr 08 1999 | May 08 1996 | Jun 01 1999 | Jul 04 2000 | Aug 28 1980 | Sep 14 1992 | Oct 31 1984 | Nov 26 1985 | Dec 29 1996 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Monthly rainfall (mm) | 322 | 232 | 225 | 201 | 132 | 116 | 70 | 100 | 152 | 294 | 352 | 336 |
| Annual average: 2532 | ||||||||||||
| Monthly snowfall (cm) | 2 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
| Annual average: 11 | ||||||||||||
| Monthly precipitation (mm) | 324 | 237 | 226 | 202 | 132 | 116 | 70 | 100 | 152 | 294 | 353 | 339 |
| Annual average: 2543 | ||||||||||||
| Single day record rainfall (mm) | 79 | 87 | 72 | 71 | 60 | 69 | 59 | 72 | 118 | 103 | 94 | 97 |
| Date | Jan 28 1995 | Feb 16 1982 | Mar 13 1990 | Apr 04 1996 | May 24 1986 | Jun 10 1987 | Jul 07 1997 | Aug 07 1991 | Sep 05 1980 | Oct 22 1988 | Nov 30 1988 | Dec 13 1997 |
| Single day record snowfall (cm) | 6 | 7 | 6 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 15 | 9 |
| Date | Jan 20 1982 | Feb 06 1985 | Mar 23 1985 | Apr 10 1981 | May 01 1979 | Jun 01 1979 | Jul 01 1979 | Aug 01 1979 | Sep 01 1979 | Oct 31 1984 | Nov 30 1990 | Dec 22 1996 |
| Single day record precipitation (mm) | 79 | 87 | 72 | 71 | 60 | 69 | 59 | 72 | 118 | 103 | 94 | 97 |
| Date | Jan 28 1995 | Feb 16 1982 | Mar 13 1990 | Apr 04 1996 | May 24 1986 | Jun 10 1987 | Jul 07 1997 | Aug 07 1991 | Sep 05 1980 | Oct 22 1988 | Nov 30 1988 | Dec 13 1997 |