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Weather & Climate
Iron County, Wisconsin, United States
Overview
Climate data and monthly weather averages for Iron County.
Key Metrics
Annual Avg
5°C
Summer Avg
17.7°C
Winter Avg
-8.5°C
Record High
35.5°C
Record Low
-31.4°C
Annual Precipitation
908 mm
Avg Humidity
84%
Summer Humidity
79%
Winter Humidity
95%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 4.7° | -9.7° | -30.4° | 40 | 95% | 41 | 43.9 |
| Feb | 9.9° | -9.3° | -31.4° | 37.5 | 95% | 65 | 45.1 |
| Mar | 21.4° | -3.2° | -29.7° | 45.9 | 88% | 109 | 41 |
| Apr | 23.2° | 3.7° | -13.6° | 84.3 | 77% | 136 | 32.3 |
| May | 28.7° | 10.2° | -4.3° | 99.5 | 77% | 166 | 30.3 |
| Jun | 30° | 15.5° | 1.8° | 104.7 | 80% | 177 | 26.7 |
| Jul | 35.5° | 19° | 5.5° | 97 | 78% | 191 | 25.4 |
| Aug | 32.3° | 18.5° | 6.3° | 91.8 | 78% | 159 | 27.8 |
| Sep | 30.9° | 14.6° | 0.4° | 96 | 78% | 114 | 29.9 |
| Oct | 25.7° | 6.8° | -9.5° | 96.7 | 81% | 73 | 37.3 |
| Nov | 19° | 0° | -17.8° | 58.2 | 85% | 42 | 34.9 |
| Dec | 11.9° | -6.5° | -26.7° | 56.4 | 94% | 30 | 40.6 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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