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Weather & Climate
Judith Basin County, Montana, United States
Overview
Climate data and monthly weather averages for Judith Basin County.
Key Metrics
Annual Avg
5.9°C
Summer Avg
18.1°C
Winter Avg
-4.9°C
Record High
39.1°C
Record Low
-36.5°C
Annual Precipitation
536.1 mm
Avg Humidity
66%
Summer Humidity
54%
Winter Humidity
78%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 13.1° | -4.7° | -34.9° | 23.3 | 79% | 47 | 58 |
| Feb | 14° | -5° | -31.9° | 24.9 | 77% | 71 | 58.8 |
| Mar | 22.4° | 0° | -36.5° | 30.4 | 70% | 113 | 56.3 |
| Apr | 27.1° | 4.1° | -15.4° | 59.7 | 65% | 144 | 59.1 |
| May | 30.2° | 9.7° | -6.5° | 87.4 | 62% | 180 | 58.9 |
| Jun | 35.6° | 15.1° | -1.7° | 87.3 | 59% | 199 | 48.1 |
| Jul | 39.1° | 20.4° | 4° | 42.2 | 51% | 223 | 42.7 |
| Aug | 36.5° | 18.8° | 2.3° | 44.3 | 51% | 183 | 52.5 |
| Sep | 32.5° | 12.9° | -8.6° | 44.7 | 57% | 128 | 45.8 |
| Oct | 29.2° | 5.3° | -17.1° | 42.5 | 67% | 85 | 52.7 |
| Nov | 20.1° | -0.4° | -29.3° | 25.5 | 72% | 49 | 58 |
| Dec | 11.2° | -5.1° | -30.1° | 23.9 | 78% | 36 | 54.6 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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