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Weather & Climate
Mahnomen County, Minnesota, United States
Overview
Climate data and monthly weather averages for Mahnomen County.
Key Metrics
Annual Avg
4.7°C
Summer Avg
19.9°C
Winter Avg
-12.1°C
Record High
39.7°C
Record Low
-45°C
Annual Precipitation
613 mm
Avg Humidity
76%
Summer Humidity
66%
Winter Humidity
91%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 5.7° | -13.9° | -45° | 14.9 | 92% | 49 | 56.2 |
| Feb | 9.4° | -12.2° | -37.4° | 15.7 | 90% | 77 | 66.2 |
| Mar | 25.5° | -3.1° | -35.6° | 28.8 | 79% | 119 | 66.6 |
| Apr | 28.4° | 5° | -17° | 45.6 | 68% | 145 | 54.5 |
| May | 31.8° | 12° | -5.1° | 78.1 | 68% | 168 | 55.7 |
| Jun | 33.3° | 18.1° | 1.1° | 104.1 | 70% | 178 | 54.8 |
| Jul | 39.7° | 21.5° | 5.6° | 80.3 | 65% | 193 | 53.8 |
| Aug | 38.1° | 20.1° | 2.1° | 68.2 | 63% | 162 | 50.2 |
| Sep | 34.5° | 14.9° | -2.9° | 70.5 | 67% | 113 | 53.4 |
| Oct | 29.9° | 5.8° | -12.2° | 63.5 | 74% | 73 | 55.1 |
| Nov | 20.6° | -2° | -22.8° | 20.4 | 80% | 43 | 57.3 |
| Dec | 6.6° | -10.2° | -38.6° | 22.9 | 90% | 34 | 55.8 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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