Average annual temperature is 7.2 °C
Absolute maximum temperature: 32.7 °C
Absolute minimum temperature: -30.9 °C
Number of sunny days: 177 days
Number of rainy days: 133 days
Number of snow days: 55 days
Look at detailed online map of Hecla
* Weather data for Hecla United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 9.4 | 11.9 | 13.4 | 22.6 | 22.6 | 27.9 | 31.3 | 32.7 | 30.0 | 23.5 | 17.7 | 15.1 |
| Average daytime temperature (°C) | -1.4 | 2.4 | 3.4 | 10.2 | 17.6 | 20.0 | 26.8 | 26.3 | 23.3 | 15.2 | 9.3 | 4.8 |
| Average temperature (°C) | -5.0 | -3.5 | -2.2 | 3.0 | 11.5 | 14.5 | 19.8 | 19.4 | 16.2 | 8.4 | 3.3 | 0.3 |
| Average night temperature (°C) | -7.8 | -7.4 | -6.1 | -2.0 | 6.4 | 9.8 | 13.7 | 13.3 | 10.0 | 2.9 | -0.9 | -2.7 |
| Absolute minimum temperature (°C) | -24.1 | -30.9 | -12.2 | -13.4 | 1.2 | 6.8 | 7.9 | 6.1 | 5.1 | -9.9 | -12.8 | -10.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.0 | 8.6 | 9.3 | 10.6 | 10.7 | 11.1 | 12.1 | 11.7 | 11.1 | 9.0 | 7.7 | 7.2 |
| Precipitation (mm) | 38 | 18 | 22 | 45 | 87 | 125 | 82 | 75 | 11 | 29 | 16 | 13 |
| Sunny days | 14 | 19 | 13 | 15 | 5 | 6 | 12 | 12 | 18 | 18 | 22 | 23 |
| Rainy days | 1 | 1 | 3 | 8 | 26 | 24 | 19 | 19 | 12 | 11 | 6 | 3 |
| Snow days | 16 | 8 | 15 | 7 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 5 |
The best time to visit Hecla during the most sunny months:
The largest precipitation sum in Hecla is at