Average annual temperature is 7.8 °C
Absolute maximum temperature: 31.9 °C
Absolute minimum temperature: -31.1 °C
Number of sunny days: 129 days
Number of rainy days: 189 days
Number of snow days: 47 days
Look at detailed online map of Saint-Guillaume
* Weather data for Saint-Guillaume 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) | 4.9 | 7.7 | 8.7 | 23.4 | 29.9 | 31.9 | 31.2 | 26.1 | 29.8 | 26.5 | 14.4 | 12.0 |
| Average daytime temperature (°C) | -2.0 | -2.3 | 3.2 | 13.5 | 19.2 | 23.2 | 26.2 | 23.1 | 22.0 | 15.9 | 4.8 | 1.9 |
| Average temperature (°C) | -5.2 | -7.7 | -1.1 | 7.3 | 12.9 | 18.2 | 21.7 | 18.6 | 17.1 | 12.1 | 0.8 | -1.6 |
| Average night temperature (°C) | -8.7 | -13.2 | -5.2 | 2.2 | 6.8 | 13.7 | 18.0 | 14.6 | 13.0 | 9.1 | -2.3 | -4.7 |
| Absolute minimum temperature (°C) | -19.2 | -31.1 | -14.2 | -7.9 | -1.2 | 7.6 | 11.7 | 9.8 | 5.9 | -2.6 | -9.0 | -17.8 |
| 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 | 13.5 | 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) | 3.0 | 5.7 | 6.5 | 8.1 | 10.9 | 10.0 | 10.2 | 9.8 | 9.0 | 6.0 | 5.4 | 3.3 |
| Precipitation (mm) | 110 | 65 | 59 | 121 | 76 | 167 | 192 | 159 | 61 | 131 | 71 | 116 |
| Sunny days | 8 | 6 | 9 | 13 | 18 | 10 | 3 | 5 | 17 | 11 | 14 | 15 |
| Rainy days | 7 | 7 | 14 | 17 | 12 | 20 | 28 | 26 | 13 | 20 | 12 | 13 |
| Snow days | 16 | 15 | 8 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 3 |
The best time to visit Saint-Guillaume during the most sunny months:
Months with the longest average daylight duration in Saint-Guillaume:
The largest precipitation sum in Saint-Guillaume is at