Average annual temperature is 4.9 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: -32.4 °C
Number of sunny days: 218 days
Number of rainy days: 105 days
Number of snow days: 42 days
Look at detailed online map of Fort San
* Weather data for Fort San 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) | 2.6 | 4.4 | 2.7 | 20.9 | 28.2 | 31.9 | 33.2 | 31.8 | 29.8 | 19.4 | 7.2 | 5.9 |
| Average daytime temperature (°C) | -5.3 | -5.6 | -4.6 | 7.1 | 22.2 | 26.6 | 25.0 | 25.6 | 22.6 | 9.7 | 2.3 | 1.0 |
| Average temperature (°C) | -9.5 | -11.8 | -10.8 | 0.6 | 14.6 | 20.5 | 18.8 | 19.2 | 16.2 | 5.2 | -1.7 | -3.3 |
| Average night temperature (°C) | -13.0 | -16.9 | -16.0 | -4.5 | 7.5 | 14.8 | 13.1 | 14.1 | 10.8 | 1.7 | -4.6 | -6.7 |
| Absolute minimum temperature (°C) | -29.4 | -32.4 | -25.9 | -17.9 | -1.4 | 10.5 | 9.1 | 10.6 | 5.0 | -14.0 | -14.8 | -12.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.5 | 10.0 | 11.9 | 13.8 | 15.5 | 16.4 | 16.0 | 14.5 | 12.6 | 10.7 | 9.0 | 8.0 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 7.0 |
| Sunshine mean duration (h) | 3.3 | 6.6 | 8.7 | 9.1 | 11.1 | 13.7 | 13.0 | 10.9 | 9.6 | 5.9 | 5.3 | 5.3 |
| Precipitation (mm) | 15 | 15 | 7 | 46 | 37 | 37 | 11 | 59 | 19 | 36 | 24 | 9 |
| Sunny days | 20 | 17 | 27 | 16 | 16 | 13 | 15 | 15 | 18 | 17 | 20 | 24 |
| Rainy days | 4 | 0 | 2 | 9 | 15 | 17 | 16 | 16 | 12 | 9 | 2 | 3 |
| Snow days | 7 | 11 | 2 | 5 | 0 | 0 | 0 | 0 | 0 | 5 | 8 | 4 |
The best time to visit Fort San during the most sunny months:
Months with the longest average daylight duration in Fort San:
The largest precipitation sum in Fort San is at