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Weather & Climate
Richland County, Montana, United States
Overview
Climate data and monthly weather averages for Richland County.
Key Metrics
Annual Avg
7°C
Summer Avg
21.3°C
Winter Avg
-7.2°C
Record High
42.8°C
Record Low
-34.1°C
Annual Precipitation
400.9 mm
Avg Humidity
65%
Summer Humidity
52%
Winter Humidity
81%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 13.5° | -8.1° | -33.9° | 12.7 | 84% | 52 | 63.6 |
| Feb | 18.7° | -7.1° | -34.1° | 11.2 | 78% | 76 | 74.5 |
| Mar | 26.3° | 0.1° | -29.7° | 18 | 67% | 119 | 67.8 |
| Apr | 31.8° | 6.5° | -16.9° | 33 | 58% | 147 | 63.1 |
| May | 34.3° | 13.2° | -4.8° | 70.1 | 55% | 183 | 69.6 |
| Jun | 40.5° | 18.9° | 2.7° | 72.6 | 55% | 200 | 57 |
| Jul | 42.8° | 23.4° | 8.3° | 51.1 | 50% | 218 | 70.3 |
| Aug | 41.5° | 21.6° | 5.6° | 39.1 | 51% | 180 | 60.9 |
| Sep | 37.3° | 15.4° | -2.9° | 39.3 | 56% | 127 | 53.3 |
| Oct | 31.3° | 6.6° | -14.4° | 26 | 65% | 85 | 62 |
| Nov | 21.4° | -0.3° | -23.1° | 13.2 | 73% | 51 | 65.6 |
| Dec | 12.2° | -6.5° | -33.2° | 14.6 | 82% | 38 | 58.1 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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