Average annual temperature is 7.6 °C
Absolute maximum temperature: 32.5 °C
Absolute minimum temperature: -31.2 °C
Number of sunny days: 140 days
Number of rainy days: 179 days
Number of snow days: 46 days
Look at detailed online map of Saint-Thomas
* Weather data for Saint-Thomas Canada is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 3.9 | 7.5 | 8.9 | 24.2 | 31.9 | 32.5 | 31.7 | 26.9 | 31.1 | 26.3 | 12.8 | 7.3 |
| Average daytime temperature (°C) | -2.0 | -2.5 | 3.4 | 13.2 | 19.9 | 23.5 | 26.6 | 23.8 | 22.5 | 16.0 | 4.3 | 0.8 |
| Average temperature (°C) | -6.0 | -8.4 | -1.4 | 6.5 | 13.2 | 18.5 | 21.7 | 18.9 | 17.5 | 12.1 | 0.3 | -2.7 |
| Average night temperature (°C) | -10.3 | -13.8 | -6.1 | 1.3 | 7.2 | 14.2 | 17.6 | 14.7 | 13.3 | 8.8 | -2.8 | -6.0 |
| Absolute minimum temperature (°C) | -19.0 | -31.2 | -14.2 | -8.5 | -0.3 | 9.3 | 11.7 | 10.5 | 7.1 | -1.9 | -11.2 | -21.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 9.1 | 10.4 | 11.9 | 13.6 | 15.0 | 15.7 | 15.3 | 14.1 | 12.5 | 10.9 | 9.5 | 8.7 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.2 | 5.3 | 6.7 | 8.0 | 10.9 | 9.5 | 9.7 | 9.7 | 9.4 | 5.6 | 5.2 | 3.2 |
| Precipitation (mm) | 101 | 70 | 57 | 116 | 106 | 140 | 180 | 150 | 64 | 170 | 61 | 111 |
| Sunny days | 8 | 4 | 11 | 13 | 20 | 10 | 3 | 8 | 20 | 11 | 17 | 15 |
| Rainy days | 6 | 11 | 11 | 17 | 11 | 20 | 28 | 23 | 10 | 20 | 9 | 13 |
| Snow days | 17 | 13 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 3 |
The best time to visit Saint-Thomas during the most sunny months:
Months with the longest average daylight duration in Saint-Thomas:
The largest precipitation sum in Saint-Thomas is at