Average annual temperature is 4.7 °C
Absolute maximum temperature: 32.6 °C
Absolute minimum temperature: -30.3 °C
Number of sunny days: 193 days
Number of rainy days: 116 days
Number of snow days: 56 days
Look at detailed online map of Grassy Narrows
* Weather data for Grassy Narrows 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) | -1.2 | 2.4 | 2.5 | 16.7 | 28.5 | 32.6 | 29.3 | 29.1 | 30.0 | 26.7 | 6.2 | 5.9 |
| Average daytime temperature (°C) | -8.2 | -8.3 | -3.4 | 5.4 | 20.7 | 25.4 | 23.1 | 22.9 | 20.6 | 10.5 | 0.4 | -0.7 |
| Average temperature (°C) | -10.5 | -12.8 | -8.0 | 0.2 | 13.4 | 19.2 | 18.2 | 18.4 | 16.0 | 7.2 | -2.5 | -4.1 |
| Average night temperature (°C) | -12.9 | -16.5 | -11.6 | -4.1 | 7.0 | 14.0 | 14.2 | 14.9 | 12.5 | 4.9 | -5.0 | -6.9 |
| Absolute minimum temperature (°C) | -29.9 | -30.3 | -18.7 | -11.7 | -2.1 | 8.4 | 11.0 | 11.2 | 8.8 | -4.9 | -15.0 | -15.6 |
| 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) | 8.6 | 10.1 | 11.9 | 13.8 | 15.4 | 16.3 | 15.9 | 14.4 | 12.6 | 10.7 | 9.1 | 8.1 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.0 | 6.0 | 8.2 | 8.0 | 11.8 | 12.0 | 12.3 | 9.3 | 8.8 | 4.3 | 3.3 | 3.2 |
| Precipitation (mm) | 11 | 12 | 15 | 55 | 34 | 136 | 88 | 72 | 59 | 111 | 35 | 25 |
| Sunny days | 25 | 13 | 22 | 16 | 24 | 15 | 9 | 10 | 16 | 12 | 13 | 18 |
| Rainy days | 1 | 1 | 0 | 5 | 7 | 15 | 22 | 21 | 14 | 15 | 8 | 7 |
| Snow days | 5 | 14 | 9 | 9 | 0 | 0 | 0 | 0 | 0 | 4 | 9 | 6 |
The best time to visit Grassy Narrows during the most sunny months:
Months with the longest average daylight duration in Grassy Narrows:
The largest precipitation sum in Grassy Narrows is at