Statistics: St Thomas, ON, Canada
- Station: St Thomas, ON, Canada
- Latitude: 42.8°
- Longitude: -81.2°
- Altitude: 209.1 m
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.
Temperature (°C) Get more temperature related statistics »
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Average high | -0.9 | 0.6 | 5.6 | 12.9 | 19.9 | 24.5 | 26.8 | 25.8 | 21.5 | 15.1 | 7.8 | 1.7 |
| Average low | -8.6 | -7.9 | -3.7 | 2 | 7.8 | 12.6 | 15.2 | 14.6 | 10.7 | 4.9 | 0.3 | -5.3 |
| Average | -4.8 | -3.7 | 1 | 7.4 | 13.8 | 18.6 | 21 | 20.2 | 16.1 | 10 | 4.1 | -1.8 |
| Record daily high | 14.5 | 18.5 | 24.5 | 29.5 | 32.5 | 38 | 37 | 34.5 | 32.5 | 26 | 21.5 | 18.5 |
| Date | Jan 14 1995 | Feb 26 2000 | Mar 30 1998 | Apr 25 1990 | May 30 1988 | Jun 25 1988 | Jul 20 1987 | Aug 02 1988 | Sep 10 1983 | Oct 12 1995 | Nov 01 1990 | Dec 03 1982 |
| Record daily low | -31 | -30 | -23.5 | -16 | -3 | 1 | 6 | 0 | -2 | -7 | -13.5 | -27.5 |
| Date | Jan 16 1984 | Feb 10 1994 | Mar 08 1986 | Apr 07 1982 | May 10 1983 | Jun 17 1980 | Jul 02 1988 | Aug 29 1982 | Sep 28 1991 | Oct 31 1988 | Nov 21 1987 | Dec 24 1989 |
Precipitation Get more precipitation related statistics »
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Monthly rainfall (mm) | 37 | 37 | 52 | 81 | 83 | 102 | 86 | 88 | 97 | 83 | 89 | 61 |
| Annual average: 896 | ||||||||||||
| Monthly snowfall (cm) | 38 | 27 | 17 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 27 |
| Annual average: 119 | ||||||||||||
| Monthly precipitation (mm) | 75 | 64 | 68 | 85 | 83 | 102 | 86 | 88 | 97 | 84 | 96 | 89 |
| Annual average: 1016 | ||||||||||||
| Single day record rainfall (mm) | 44 | 40 | 32 | 56 | 65 | 77 | 50 | 57 | 90 | 72 | 52 | 34 |
| Date | Jan 27 1994 | Feb 13 1984 | Mar 31 1985 | Apr 20 2000 | May 27 1982 | Jun 17 1984 | Jul 16 1988 | Aug 28 1990 | Sep 16 1983 | Oct 05 1995 | Nov 12 1992 | Dec 11 1983 |
| Single day record snowfall (cm) | 25 | 24 | 22 | 12 | 0 | 0 | 0 | 0 | 0 | 3 | 16 | 28 |
| Date | Jan 31 1982 | Feb 05 1995 | Mar 04 1993 | Apr 05 1982 | May 01 1980 | Jun 01 1980 | Jul 01 1980 | Aug 01 1980 | Sep 01 1980 | Oct 31 1993 | Nov 20 1987 | Dec 26 1985 |
| Single day record precipitation (mm) | 44 | 40 | 32 | 56 | 65 | 77 | 50 | 57 | 90 | 72 | 52 | 34 |
| Date | Jan 27 1994 | Feb 13 1984 | Mar 31 1985 | Apr 20 2000 | May 27 1982 | Jun 17 1984 | Jul 16 1988 | Aug 28 1990 | Sep 16 1983 | Oct 05 1995 | Nov 12 1992 | Dec 11 1983 |
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