Average annual temperature is 6.6 °C
Absolute maximum temperature: 32.7 °C
Absolute minimum temperature: -31.5 °C
Number of sunny days: 185 days
Number of rainy days: 137 days
Number of snow days: 43 days
Look at detailed online map of Williams Lake
* Weather data for Williams Lake 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) | 7.9 | 8.5 | 11.4 | 25.5 | 29.5 | 30.4 | 32.5 | 32.7 | 28.3 | 22.1 | 11.3 | 8.1 |
| Average daytime temperature (°C) | 1.3 | 0.8 | 5.1 | 11.8 | 22.8 | 23.8 | 26.4 | 25.9 | 20.4 | 12.9 | 4.8 | 3.4 |
| Average temperature (°C) | -3.2 | -5.0 | -3.2 | 4.5 | 14.4 | 15.6 | 18.6 | 17.6 | 12.3 | 6.4 | 0.1 | -0.3 |
| Average night temperature (°C) | -6.8 | -9.5 | -9.8 | -1.6 | 6.9 | 8.5 | 11.6 | 11.3 | 6.5 | 2.0 | -2.7 | -2.7 |
| Absolute minimum temperature (°C) | -23.3 | -31.5 | -18.9 | -9.6 | 2.9 | 3.0 | 6.2 | 6.3 | 1.7 | -7.7 | -6.8 | -8.3 |
| 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) | 8.3 | 9.9 | 11.9 | 13.9 | 15.7 | 16.7 | 16.2 | 14.6 | 12.7 | 10.6 | 8.8 | 7.8 |
| Daylight minimum duration (h) | 7.0 | 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) | 4.1 | 3.9 | 9.7 | 10.0 | 11.8 | 12.4 | 13.5 | 11.1 | 9.6 | 7.4 | 4.6 | 3.2 |
| Precipitation (mm) | 37 | 70 | 5 | 23 | 42 | 36 | 23 | 43 | 25 | 36 | 23 | 34 |
| Sunny days | 14 | 4 | 22 | 12 | 18 | 16 | 13 | 18 | 17 | 22 | 15 | 14 |
| Rainy days | 8 | 9 | 5 | 13 | 13 | 14 | 18 | 13 | 13 | 9 | 12 | 10 |
| Snow days | 9 | 15 | 4 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 7 |
The best time to visit Williams Lake during the most sunny months:
Months with the longest average daylight duration in Williams Lake:
The largest precipitation sum in Williams Lake is at