Average annual temperature is 5.2 °C
Absolute maximum temperature: 33.3 °C
Absolute minimum temperature: -29.4 °C
Number of sunny days: 189 days
Number of rainy days: 130 days
Number of snow days: 46 days
Look at detailed online map of Slate River Valley
* Weather data for Slate River Valley 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) | 1.7 | 5.6 | 5.6 | 22.0 | 27.6 | 29.4 | 31.9 | 30.3 | 33.3 | 28.2 | 14.0 | 9.7 |
| Average daytime temperature (°C) | -4.8 | -4.6 | -0.3 | 6.1 | 17.3 | 23.3 | 23.8 | 23.0 | 20.1 | 10.9 | 3.4 | 2.1 |
| Average temperature (°C) | -8.6 | -9.8 | -5.3 | 0.9 | 10.4 | 16.7 | 18.1 | 17.6 | 15.3 | 7.3 | -0.5 | -1.3 |
| Average night temperature (°C) | -12.6 | -14.9 | -10.1 | -3.3 | 4.9 | 11.3 | 13.1 | 13.1 | 11.5 | 4.2 | -3.6 | -4.2 |
| Absolute minimum temperature (°C) | -28.6 | -29.4 | -19.8 | -11.9 | -2.0 | 6.5 | 10.0 | 6.8 | 4.0 | -5.8 | -14.0 | -10.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.8 | 10.2 | 11.9 | 13.7 | 15.2 | 16.0 | 15.6 | 14.3 | 12.6 | 10.8 | 9.3 | 8.4 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 4.1 | 6.6 | 7.3 | 6.8 | 10.8 | 11.7 | 12.3 | 10.6 | 8.4 | 5.3 | 4.8 | 3.0 |
| Precipitation (mm) | 27 | 44 | 48 | 156 | 44 | 61 | 92 | 70 | 55 | 47 | 31 | 41 |
| Sunny days | 19 | 15 | 22 | 11 | 21 | 21 | 7 | 13 | 17 | 13 | 15 | 15 |
| Rainy days | 0 | 3 | 4 | 12 | 10 | 9 | 24 | 18 | 13 | 18 | 9 | 10 |
| Snow days | 12 | 10 | 5 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 6 |
The best time to visit Slate River Valley during the most sunny months:
Months with the longest average daylight duration in Slate River Valley:
The largest precipitation sum in Slate River Valley is at