Average annual temperature is 5.3 °C
Absolute maximum temperature: 30.9 °C
Absolute minimum temperature: -31.4 °C
Number of sunny days: 134 days
Number of rainy days: 161 days
Number of snow days: 70 days
Look at detailed online map of Sisson Lake Reservoir
* Weather data for Sisson Lake Reservoir 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) | 3.4 | 6.3 | 5.3 | 16.1 | 29.0 | 30.9 | 30.2 | 23.8 | 27.5 | 22.1 | 8.1 | 12.5 |
| Average daytime temperature (°C) | -3.4 | -6.4 | 1.1 | 8.8 | 15.5 | 20.1 | 25.3 | 20.2 | 20.5 | 13.8 | 2.2 | 0.5 |
| Average temperature (°C) | -7.4 | -11.7 | -3.1 | 3.2 | 9.2 | 14.8 | 20.6 | 16.2 | 15.2 | 9.6 | -1.6 | -3.1 |
| Average night temperature (°C) | -11.5 | -16.5 | -7.0 | -1.8 | 3.7 | 10.3 | 16.7 | 12.9 | 10.9 | 6.2 | -4.8 | -6.3 |
| Absolute minimum temperature (°C) | -24.9 | -31.4 | -16.1 | -11.8 | -1.6 | 3.8 | 11.7 | 8.3 | 2.3 | -2.4 | -11.6 | -13.3 |
| 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) | 9.0 | 10.3 | 11.9 | 13.6 | 15.1 | 15.9 | 15.5 | 14.2 | 12.6 | 10.9 | 9.4 | 8.6 |
| 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) | 3.0 | 7.2 | 6.8 | 8.7 | 9.4 | 7.3 | 10.3 | 7.8 | 8.1 | 5.4 | 4.7 | 4.2 |
| Precipitation (mm) | 139 | 49 | 62 | 36 | 93 | 137 | 146 | 179 | 104 | 109 | 51 | 99 |
| Sunny days | 8 | 13 | 10 | 18 | 14 | 7 | 2 | 4 | 15 | 11 | 15 | 17 |
| Rainy days | 6 | 5 | 2 | 8 | 16 | 23 | 29 | 27 | 15 | 18 | 6 | 6 |
| Snow days | 17 | 10 | 19 | 4 | 1 | 0 | 0 | 0 | 0 | 2 | 9 | 8 |
The best time to visit Sisson Lake Reservoir during the most sunny months:
Months with the longest average daylight duration in Sisson Lake Reservoir:
The largest precipitation sum in Sisson Lake Reservoir is at