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Weather & Climate
Mason County, Michigan, United States
Overview
Climate data and monthly weather averages for Mason County.
Key Metrics
Annual Avg
8.1°C
Summer Avg
19.4°C
Winter Avg
-3.1°C
Record High
32.1°C
Record Low
-24°C
Annual Precipitation
869.5 mm
Avg Humidity
80%
Summer Humidity
75%
Winter Humidity
87%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 9.3° | -4° | -20.2° | 53.3 | 88% | 37 | 56.6 |
| Feb | 10.5° | -4° | -24° | 45.6 | 86% | 58 | 63.2 |
| Mar | 24.5° | 0.2° | -20.9° | 59.2 | 81% | 109 | 59.3 |
| Apr | 21.3° | 5.5° | -7.3° | 89.1 | 77% | 141 | 46.7 |
| May | 27.1° | 11° | -2.9° | 89.9 | 78% | 173 | 38.4 |
| Jun | 28.6° | 16.6° | 2.3° | 81.9 | 77% | 185 | 49.7 |
| Jul | 32.1° | 20.8° | 9.3° | 68.5 | 75% | 195 | 33.2 |
| Aug | 31.6° | 20.8° | 9.8° | 73.8 | 74% | 167 | 34.4 |
| Sep | 29.8° | 17.3° | 5.3° | 76.8 | 75% | 126 | 50 |
| Oct | 25.9° | 10.3° | -1.9° | 99.8 | 77% | 80 | 49.9 |
| Nov | 19.1° | 4.3° | -9.8° | 68.4 | 81% | 47 | 53.4 |
| Dec | 14.3° | -1.2° | -14.3° | 63.2 | 86% | 31 | 53.3 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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