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Weather & Climate
Blaine County, Idaho, United States
Overview
Climate data and monthly weather averages for Blaine County.
Key Metrics
Annual Avg
5.6°C
Summer Avg
18.9°C
Winter Avg
-7.1°C
Record High
36.9°C
Record Low
-32.6°C
Annual Precipitation
417.2 mm
Avg Humidity
60%
Summer Humidity
38%
Winter Humidity
84%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 7.3° | -7.7° | -29.2° | 44.3 | 85% | 58 | 50 |
| Feb | 10.8° | -6.2° | -25.5° | 35.8 | 83% | 79 | 55.8 |
| Mar | 17.4° | -0.7° | -21.9° | 47.1 | 73% | 125 | 49.9 |
| Apr | 24.8° | 3.9° | -10.4° | 39.3 | 62% | 161 | 48.2 |
| May | 31° | 9.6° | -6.5° | 43.7 | 56% | 201 | 51.6 |
| Jun | 35.8° | 15.2° | -3.6° | 27.6 | 47% | 224 | 43.5 |
| Jul | 36.9° | 21.4° | 2.5° | 13 | 35% | 236 | 44.2 |
| Aug | 35.8° | 20° | 1.5° | 15.8 | 33% | 203 | 44.4 |
| Sep | 33.6° | 14.3° | -3.7° | 22.8 | 39% | 155 | 54.5 |
| Oct | 27.8° | 6.1° | -13.9° | 33.5 | 53% | 109 | 50.5 |
| Nov | 18° | -1.1° | -32.6° | 35.7 | 69% | 65 | 46.7 |
| Dec | 7.4° | -7.4° | -27.6° | 58.6 | 84% | 47 | 45.6 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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