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Weather & Climate
Superior, Wisconsin, United States
Overview
Climate data and monthly weather averages for Superior.
Key Metrics
Annual Avg
5.2°C
Summer Avg
18.9°C
Winter Avg
-9.7°C
Record High
37.8°C
Record Low
-36.5°C
Annual Precipitation
795 mm
Avg Humidity
81%
Summer Humidity
74%
Winter Humidity
92%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 6.2° | -11.4° | -34° | 19.8 | 94% | 49 | 51.3 |
| Feb | 10.5° | -10° | -32.5° | 25.5 | 91% | 76 | 55 |
| Mar | 22.8° | -2.5° | -36.5° | 40.9 | 83% | 118 | 55.8 |
| Apr | 25.6° | 4.6° | -13.9° | 75.9 | 75% | 141 | 49.3 |
| May | 29.7° | 11.1° | -3.8° | 94.2 | 75% | 166 | 48.6 |
| Jun | 32.8° | 16.7° | 2.4° | 104.1 | 77% | 178 | 43.8 |
| Jul | 37.8° | 20.5° | 6.6° | 93.6 | 73% | 192 | 44.6 |
| Aug | 35.2° | 19.6° | 6° | 96.1 | 72% | 161 | 43.3 |
| Sep | 32.2° | 15.2° | -0.7° | 84.9 | 74% | 115 | 44.3 |
| Oct | 27.2° | 6.9° | -8.9° | 82.5 | 78% | 75 | 56 |
| Nov | 19.8° | -0.4° | -20.6° | 37.5 | 83% | 46 | 49.5 |
| Dec | 11.8° | -7.6° | -33.6° | 40 | 91% | 35 | 51.2 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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