Average annual temperature is 5.6 °C
Absolute maximum temperature: 31.5 °C
Absolute minimum temperature: -21.9 °C
Number of sunny days: 116 days
Number of rainy days: 188 days
Number of snow days: 61 days
Look at detailed online map of Grand Falls-Windsor
* Weather data for Grand Falls-Windsor 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) | 8.7 | 7.6 | 5.2 | 15.0 | 22.7 | 31.5 | 30.2 | 26.7 | 26.8 | 23.4 | 12.9 | 12.4 |
| Average daytime temperature (°C) | 0.4 | -4.0 | 0.9 | 6.4 | 12.0 | 17.6 | 24.9 | 21.2 | 19.2 | 13.3 | 3.9 | 2.8 |
| Average temperature (°C) | -3.4 | -9.0 | -2.6 | 1.6 | 6.3 | 11.8 | 20.1 | 16.7 | 14.5 | 9.2 | 0.6 | -0.2 |
| Average night temperature (°C) | -7.1 | -13.8 | -5.9 | -2.0 | 1.9 | 7.5 | 16.7 | 13.3 | 10.8 | 6.2 | -2.4 | -3.6 |
| Absolute minimum temperature (°C) | -18.6 | -21.9 | -17.8 | -8.7 | -2.1 | 1.6 | 11.4 | 9.6 | 3.6 | 0.5 | -6.3 | -9.4 |
| 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 | 15.3 | 16.1 | 15.7 | 14.3 | 12.6 | 10.8 | 9.2 | 8.3 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 2.7 | 5.7 | 3.9 | 6.9 | 7.6 | 6.0 | 6.8 | 7.2 | 6.0 | 4.6 | 4.1 | 2.7 |
| Precipitation (mm) | 180 | 83 | 74 | 41 | 108 | 101 | 157 | 184 | 81 | 189 | 107 | 111 |
| Sunny days | 7 | 10 | 9 | 14 | 11 | 10 | 3 | 8 | 10 | 10 | 14 | 10 |
| Rainy days | 13 | 5 | 5 | 10 | 19 | 20 | 28 | 23 | 20 | 20 | 14 | 11 |
| Snow days | 11 | 13 | 17 | 6 | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 10 |
The best time to visit Grand Falls-Windsor during the most sunny months:
Months with the longest average daylight duration in Grand Falls-Windsor:
The largest precipitation sum in Grand Falls-Windsor is at