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Weather & Climate
Musselshell County, Montana, United States
Overview
Climate data and monthly weather averages for Musselshell County.
Key Metrics
Annual Avg
8.7°C
Summer Avg
21.8°C
Winter Avg
-3.1°C
Record High
43.9°C
Record Low
-33.6°C
Annual Precipitation
418.2 mm
Avg Humidity
59%
Summer Humidity
47%
Winter Humidity
71%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 16.8° | -3.3° | -31.6° | 14.3 | 73% | 51 | 64.7 |
| Feb | 18.2° | -2.9° | -29.3° | 16 | 69% | 74 | 64.3 |
| Mar | 26.5° | 2.5° | -33.6° | 22.9 | 63% | 116 | 59.8 |
| Apr | 31.8° | 7.3° | -13.3° | 45 | 58% | 143 | 68.5 |
| May | 34.5° | 12.9° | -4.7° | 77.2 | 56% | 179 | 67.8 |
| Jun | 39.1° | 18.5° | 1.3° | 66.3 | 55% | 200 | 50.4 |
| Jul | 43.9° | 24.3° | 7.3° | 33.8 | 44% | 220 | 59.1 |
| Aug | 40.1° | 22.6° | 5.2° | 37.8 | 43% | 184 | 65 |
| Sep | 38.1° | 16.4° | -3.4° | 35.4 | 49% | 131 | 54 |
| Oct | 33.9° | 8° | -16.5° | 37.8 | 60% | 88 | 58.1 |
| Nov | 23.6° | 1.9° | -24.9° | 15.6 | 65% | 54 | 59.3 |
| Dec | 14.7° | -3.2° | -27.8° | 16.1 | 72% | 39 | 60.9 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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