Average annual temperature is 7.5 °C
Absolute maximum temperature: 32.5 °C
Absolute minimum temperature: -30.0 °C
Number of sunny days: 140 days
Number of rainy days: 175 days
Number of snow days: 50 days
Look at detailed online map of Prince William
* Weather data for Prince William 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) | 8.6 | 7.3 | 7.2 | 18.6 | 30.0 | 32.5 | 31.0 | 26.1 | 28.8 | 24.9 | 12.9 | 12.6 |
| Average daytime temperature (°C) | 0.4 | -2.5 | 2.8 | 10.5 | 17.6 | 20.2 | 26.2 | 22.4 | 22.2 | 16.2 | 4.8 | 2.7 |
| Average temperature (°C) | -3.6 | -7.8 | -1.2 | 5.2 | 11.4 | 15.6 | 21.9 | 18.3 | 17.3 | 11.8 | 0.6 | -1.0 |
| Average night temperature (°C) | -6.7 | -12.3 | -4.5 | 0.7 | 6.2 | 11.7 | 18.6 | 15.0 | 13.6 | 8.9 | -2.5 | -4.0 |
| Absolute minimum temperature (°C) | -13.6 | -30.0 | -11.8 | -8.6 | 1.5 | 4.6 | 13.9 | 10.6 | 7.1 | 0.0 | -10.0 | -12.2 |
| 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) | 9.1 | 10.4 | 11.9 | 13.6 | 14.9 | 15.7 | 15.3 | 14.1 | 12.5 | 10.9 | 9.5 | 8.7 |
| 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) | 3.5 | 6.9 | 6.5 | 8.0 | 9.8 | 6.1 | 9.3 | 8.6 | 8.1 | 5.7 | 6.0 | 4.2 |
| Precipitation (mm) | 180 | 40 | 65 | 46 | 85 | 177 | 202 | 156 | 129 | 93 | 81 | 154 |
| Sunny days | 8 | 11 | 13 | 14 | 18 | 7 | 3 | 9 | 15 | 9 | 14 | 19 |
| Rainy days | 10 | 5 | 7 | 14 | 13 | 23 | 28 | 22 | 15 | 20 | 9 | 9 |
| Snow days | 13 | 12 | 11 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 7 | 3 |
The best time to visit Prince William during the most sunny months:
Months with the longest average daylight duration in Prince William:
The largest precipitation sum in Prince William is at