Average annual temperature is 13.2 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: -14.7 °C
Number of sunny days: 211 days
Number of rainy days: 143 days
Number of snow days: 11 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) | 13.8 | 16.2 | 22.3 | 28.0 | 30.8 | 32.9 | 36.2 | 36.3 | 33.2 | 31.3 | 20.2 | 15.1 |
| Average daytime temperature (°C) | 4.9 | 9.0 | 10.1 | 18.6 | 25.7 | 29.8 | 30.5 | 29.4 | 27.7 | 19.7 | 12.0 | 8.0 |
| Average temperature (°C) | 0.3 | 1.9 | 4.5 | 11.8 | 19.1 | 23.8 | 24.8 | 24.3 | 21.5 | 14.6 | 6.6 | 4.1 |
| Average night temperature (°C) | -3.0 | -2.8 | 0.6 | 6.4 | 13.4 | 18.3 | 19.7 | 20.2 | 16.3 | 10.4 | 2.2 | 1.1 |
| Absolute minimum temperature (°C) | -12.9 | -14.7 | -11.5 | -2.2 | 4.2 | 11.7 | 14.9 | 14.2 | 10.7 | -2.9 | -8.1 | -5.7 |
| 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 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.4 |
| 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) | 5.5 | 7.8 | 7.0 | 10.0 | 11.2 | 12.2 | 11.3 | 10.7 | 10.4 | 7.7 | 7.3 | 5.1 |
| Precipitation (mm) | 62 | 86 | 91 | 77 | 46 | 60 | 56 | 150 | 12 | 88 | 21 | 79 |
| Sunny days | 17 | 18 | 14 | 20 | 18 | 18 | 12 | 15 | 22 | 18 | 24 | 15 |
| Rainy days | 10 | 8 | 16 | 9 | 13 | 12 | 19 | 16 | 8 | 13 | 5 | 14 |
| Snow days | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Hecla during the most sunny months:
The largest precipitation sum in Hecla is at