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Weather & Climate
Prairie County, Montana, United States
Overview
Climate data and monthly weather averages for Prairie County.
Key Metrics
Annual Avg
7.9°C
Summer Avg
21.5°C
Winter Avg
-5°C
Record High
43.3°C
Record Low
-32.6°C
Annual Precipitation
375.6 mm
Avg Humidity
62%
Summer Humidity
50%
Winter Humidity
76%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 15° | -5.4° | -30.6° | 9.6 | 78% | 53 | 67.6 |
| Feb | 18.8° | -4.9° | -27.6° | 10.6 | 73% | 77 | 78.7 |
| Mar | 27.1° | 1.4° | -32.6° | 15.5 | 64% | 120 | 68.4 |
| Apr | 31.6° | 6.9° | -13.4° | 36.3 | 58% | 149 | 63.8 |
| May | 34.6° | 12.9° | -4.8° | 83.4 | 56% | 183 | 72.8 |
| Jun | 40.5° | 18.8° | 1.1° | 65.1 | 55% | 204 | 57.8 |
| Jul | 43.3° | 23.8° | 8.6° | 40.6 | 48% | 222 | 59.2 |
| Aug | 41° | 22° | 5.2° | 34.1 | 48% | 185 | 66.9 |
| Sep | 37.8° | 15.9° | -1.9° | 33.3 | 53% | 132 | 58.1 |
| Oct | 31.8° | 7.3° | -14.3° | 25.4 | 63% | 89 | 64.6 |
| Nov | 22.9° | 0.7° | -21.3° | 10.5 | 70% | 56 | 65.9 |
| Dec | 13.9° | -4.7° | -29° | 11.2 | 78% | 41 | 65.9 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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