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Weather & Climate
Alpena County, Michigan, United States
Overview
Climate data and monthly weather averages for Alpena County.
Key Metrics
Annual Avg
6.7°C
Summer Avg
18.9°C
Winter Avg
-5.7°C
Record High
35.8°C
Record Low
-28.8°C
Annual Precipitation
817.8 mm
Avg Humidity
80%
Summer Humidity
75%
Winter Humidity
91%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 9.8° | -6.8° | -26.9° | 44.9 | 92% | 37 | 48.6 |
| Feb | 16° | -6.9° | -28.8° | 39.5 | 91% | 60 | 51.6 |
| Mar | 26.1° | -1.8° | -24.5° | 45.9 | 82% | 112 | 47.8 |
| Apr | 26.3° | 4.5° | -14.9° | 87.6 | 76% | 139 | 46.2 |
| May | 31.1° | 10.8° | -3.9° | 82.8 | 75% | 170 | 36.8 |
| Jun | 32.8° | 16.5° | 1.6° | 81.6 | 76% | 180 | 30.6 |
| Jul | 35.8° | 20.4° | 6.9° | 79.4 | 74% | 187 | 29.2 |
| Aug | 34.8° | 19.9° | 6.3° | 78.7 | 74% | 159 | 29.5 |
| Sep | 33.5° | 16.1° | 2.5° | 76.5 | 75% | 119 | 35.1 |
| Oct | 30.6° | 8.9° | -3.5° | 90.2 | 79% | 73 | 36.1 |
| Nov | 21.1° | 2.6° | -11.4° | 56.1 | 82% | 40 | 51.3 |
| Dec | 15.6° | -3.3° | -23.2° | 54.6 | 89% | 28 | 49 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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