Average annual temperature is 10.5 °C
Absolute maximum temperature: 38.4 °C
Absolute minimum temperature: -22.3 °C
Number of sunny days: 234 days
Number of rainy days: 94 days
Number of snow days: 37 days
Look at detailed online map of Iron Basin
* Weather data for Iron Basin 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) | 7.8 | 5.9 | 10.1 | 27.5 | 27.1 | 29.0 | 38.4 | 34.6 | 31.4 | 23.7 | 19.8 | 11.7 |
| Average daytime temperature (°C) | -0.2 | 0.1 | 3.9 | 14.5 | 22.3 | 25.3 | 34.3 | 30.0 | 26.0 | 17.1 | 9.0 | 4.9 |
| Average temperature (°C) | -3.5 | -3.8 | -0.3 | 7.7 | 16.3 | 19.0 | 28.1 | 24.1 | 19.8 | 11.7 | 4.9 | 1.6 |
| Average night temperature (°C) | -6.8 | -7.6 | -3.9 | 2.4 | 10.3 | 13.0 | 21.6 | 18.2 | 14.4 | 7.1 | 1.5 | -1.3 |
| Absolute minimum temperature (°C) | -22.3 | -15.1 | -11.1 | -11.5 | 3.6 | 9.3 | 17.2 | 14.9 | 7.3 | -5.7 | -9.7 | -7.7 |
| 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 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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 | 8.3 | 8.4 | 11.3 | 12.2 | 13.0 | 13.1 | 11.8 | 10.8 | 9.9 | 8.0 | 7.8 |
| Precipitation (mm) | 64 | 40 | 61 | 23 | 14 | 29 | 3 | 22 | 12 | 24 | 21 | 9 |
| Sunny days | 13 | 16 | 9 | 22 | 12 | 18 | 25 | 21 | 24 | 26 | 23 | 25 |
| Rainy days | 9 | 1 | 12 | 4 | 19 | 12 | 6 | 10 | 6 | 5 | 6 | 4 |
| Snow days | 9 | 11 | 10 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Iron Basin during the most sunny months:
The largest precipitation sum in Iron Basin is at