Average annual temperature is 7.8 °C
Absolute maximum temperature: 30.6 °C
Absolute minimum temperature: -29.1 °C
Number of sunny days: 127 days
Number of rainy days: 185 days
Number of snow days: 53 days
Look at detailed online map of Mount St. Louis
* Weather data for Mount St. Louis 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) | 3.2 | 10.1 | 8.4 | 27.5 | 29.9 | 29.1 | 30.1 | 25.3 | 30.6 | 27.3 | 13.0 | 12.3 |
| Average daytime temperature (°C) | -0.6 | 0.7 | 2.7 | 13.3 | 17.8 | 22.5 | 24.6 | 22.3 | 21.2 | 14.3 | 5.4 | 3.1 |
| Average temperature (°C) | -3.5 | -4.9 | -1.8 | 6.8 | 11.6 | 17.6 | 19.8 | 17.7 | 16.1 | 10.6 | 1.8 | 0.2 |
| Average night temperature (°C) | -6.2 | -9.5 | -5.6 | 2.0 | 5.9 | 13.0 | 15.5 | 14.0 | 11.8 | 7.7 | -1.4 | -2.0 |
| Absolute minimum temperature (°C) | -16.5 | -29.1 | -14.0 | -7.9 | -2.1 | 8.9 | 10.8 | 8.4 | 2.7 | -3.0 | -7.5 | -8.9 |
| 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 | 9.0 |
| Daylight mean duration (h) | 9.3 | 10.4 | 11.9 | 13.5 | 14.8 | 15.5 | 15.2 | 14.0 | 12.5 | 11.0 | 9.6 | 8.9 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 2.5 | 4.6 | 6.3 | 8.4 | 11.3 | 11.7 | 11.8 | 10.3 | 9.4 | 5.2 | 4.7 | 2.7 |
| Precipitation (mm) | 99 | 83 | 84 | 101 | 53 | 96 | 127 | 114 | 55 | 108 | 64 | 64 |
| Sunny days | 4 | 5 | 10 | 13 | 21 | 14 | 5 | 10 | 17 | 11 | 9 | 8 |
| Rainy days | 11 | 8 | 12 | 15 | 10 | 16 | 26 | 21 | 13 | 20 | 16 | 17 |
| Snow days | 16 | 15 | 9 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 6 |
The best time to visit Mount St. Louis during the most sunny months:
Months with the longest average daylight duration in Mount St. Louis:
The largest precipitation sum in Mount St. Louis is at