Average annual temperature is 7.8 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: -31.5 °C
Number of sunny days: 129 days
Number of rainy days: 185 days
Number of snow days: 51 days
Look at detailed online map of Treadwell
* Weather data for Treadwell 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) | 4.4 | 10.1 | 7.6 | 23.1 | 32.3 | 34.4 | 32.0 | 27.1 | 31.2 | 27.5 | 14.4 | 8.5 |
| Average daytime temperature (°C) | -1.4 | -1.7 | 3.2 | 12.5 | 19.6 | 24.9 | 26.5 | 23.7 | 23.1 | 15.8 | 4.8 | 1.8 |
| Average temperature (°C) | -5.2 | -7.2 | -1.2 | 5.5 | 12.8 | 18.9 | 21.6 | 18.9 | 17.6 | 11.7 | 0.8 | -1.6 |
| Average night temperature (°C) | -8.8 | -11.7 | -4.8 | 0.3 | 6.2 | 13.5 | 17.5 | 15.0 | 13.2 | 8.6 | -2.2 | -4.3 |
| Absolute minimum temperature (°C) | -17.6 | -31.5 | -12.0 | -9.1 | 0.7 | 7.9 | 12.4 | 10.5 | 7.4 | -1.4 | -8.5 | -19.5 |
| 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) | 9.2 | 10.4 | 11.9 | 13.5 | 14.9 | 15.6 | 15.3 | 14.1 | 12.5 | 10.9 | 9.5 | 8.8 |
| 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 | 5.3 | 6.2 | 7.7 | 10.7 | 10.2 | 11.1 | 10.0 | 9.9 | 5.1 | 4.8 | 2.7 |
| Precipitation (mm) | 102 | 81 | 77 | 94 | 86 | 102 | 206 | 139 | 15 | 133 | 61 | 102 |
| Sunny days | 8 | 4 | 10 | 14 | 21 | 8 | 3 | 8 | 20 | 11 | 11 | 11 |
| Rainy days | 7 | 8 | 13 | 16 | 10 | 22 | 28 | 23 | 10 | 20 | 13 | 15 |
| Snow days | 16 | 16 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 5 |
The best time to visit Treadwell during the most sunny months:
Months with the longest average daylight duration in Treadwell:
The largest precipitation sum in Treadwell is at