Average annual temperature is 6.5 °C
Absolute maximum temperature: 33.1 °C
Absolute minimum temperature: -23.8 °C
Number of sunny days: 165 days
Number of rainy days: 142 days
Number of snow days: 58 days
Look at detailed online map of Iron County
* Weather data for Iron County 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) | 1.8 | 6.2 | 6.6 | 26.6 | 31.2 | 32.1 | 31.1 | 28.7 | 33.1 | 29.0 | 15.5 | 8.2 |
| Average daytime temperature (°C) | -3.2 | -2.0 | 1.3 | 9.6 | 20.0 | 24.9 | 24.5 | 23.9 | 21.6 | 12.1 | 4.8 | 2.7 |
| Average temperature (°C) | -6.2 | -6.7 | -3.7 | 3.4 | 12.6 | 18.2 | 18.5 | 17.9 | 16.0 | 8.1 | 0.3 | -0.8 |
| Average night temperature (°C) | -8.7 | -10.3 | -7.7 | -1.1 | 6.6 | 12.2 | 13.3 | 13.1 | 11.9 | 5.2 | -2.8 | -3.3 |
| Absolute minimum temperature (°C) | -23.8 | -21.8 | -13.9 | -12.3 | -2.2 | 5.1 | 8.9 | 5.2 | 5.6 | -4.5 | -10.2 | -10.3 |
| 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) | 9.1 | 10.3 | 11.9 | 13.6 | 15.0 | 15.7 | 15.4 | 14.1 | 12.6 | 10.9 | 9.5 | 8.7 |
| 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 | 6.0 | 6.6 | 6.9 | 10.6 | 11.7 | 12.2 | 10.4 | 7.6 | 5.6 | 4.8 | 3.1 |
| Precipitation (mm) | 49 | 48 | 58 | 116 | 94 | 71 | 91 | 67 | 46 | 63 | 27 | 39 |
| Sunny days | 12 | 12 | 16 | 10 | 19 | 17 | 5 | 17 | 16 | 9 | 16 | 16 |
| Rainy days | 4 | 3 | 5 | 13 | 11 | 13 | 26 | 14 | 14 | 21 | 8 | 10 |
| Snow days | 15 | 13 | 10 | 7 | 1 | 0 | 0 | 0 | 0 | 1 | 6 | 5 |
The best time to visit Iron County during the most sunny months:
Months with the longest average daylight duration in Iron County:
The largest precipitation sum in Iron County is at