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Weather & Climate
Slope County, North Dakota, United States
Overview
Climate data and monthly weather averages for Slope County.
Key Metrics
Annual Avg
7.6°C
Summer Avg
21.4°C
Winter Avg
-5.5°C
Record High
42.6°C
Record Low
-30°C
Annual Precipitation
411.7 mm
Avg Humidity
63%
Summer Humidity
52%
Winter Humidity
77%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 14.8° | -5.9° | -28.8° | 9.3 | 78% | 55 | 67.9 |
| Feb | 19.5° | -5.5° | -27.3° | 10.6 | 74% | 78 | 77.5 |
| Mar | 26.7° | 0.8° | -25.9° | 21.4 | 65% | 118 | 69.4 |
| Apr | 31.3° | 6.3° | -15.9° | 38.1 | 60% | 148 | 68.2 |
| May | 35.5° | 12.6° | -5.4° | 72.9 | 58% | 182 | 73.6 |
| Jun | 41.8° | 18.8° | 1.3° | 68.7 | 56% | 200 | 60.7 |
| Jul | 42.6° | 23.6° | 8.3° | 51.8 | 50% | 216 | 60 |
| Aug | 41.3° | 21.8° | 5.8° | 42.8 | 50% | 179 | 63.2 |
| Sep | 37.4° | 15.8° | -1.8° | 45 | 54% | 131 | 59.1 |
| Oct | 33.3° | 7° | -15.9° | 29.8 | 63% | 88 | 66.1 |
| Nov | 23.6° | 0.5° | -21.1° | 10.5 | 69% | 54 | 72.9 |
| Dec | 15.3° | -5.1° | -30° | 10.8 | 78% | 41 | 61.8 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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