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Weather & Climate
Malheur County, Oregon, United States
Overview
Climate data and monthly weather averages for Malheur County.
Key Metrics
Annual Avg
9.9°C
Summer Avg
21.9°C
Winter Avg
-0.9°C
Record High
41.2°C
Record Low
-26°C
Annual Precipitation
306.1 mm
Avg Humidity
53%
Summer Humidity
35%
Winter Humidity
73%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 15.4° | -1.5° | -26° | 33.2 | 77% | 50 | 57.9 |
| Feb | 18.4° | 0.6° | -14.9° | 23.8 | 67% | 74 | 54.8 |
| Mar | 25.1° | 4.6° | -8.6° | 32.6 | 59% | 123 | 55.7 |
| Apr | 30.4° | 8° | -6.1° | 32.7 | 52% | 166 | 53.9 |
| May | 35.9° | 13.4° | -5.1° | 40.3 | 48% | 204 | 53.6 |
| Jun | 40.5° | 18.5° | -0.1° | 25.5 | 42% | 224 | 45.3 |
| Jul | 41.2° | 24.4° | 6.4° | 7.1 | 32% | 240 | 37.8 |
| Aug | 38.5° | 22.9° | 4.8° | 6.5 | 32% | 207 | 43.2 |
| Sep | 37.1° | 17.4° | -1.7° | 12.9 | 37% | 156 | 51.6 |
| Oct | 32.3° | 9.7° | -9.4° | 22 | 50% | 108 | 51.9 |
| Nov | 22.6° | 3° | -14.3° | 27 | 63% | 62 | 54.1 |
| Dec | 13.4° | -1.7° | -22.5° | 42.5 | 76% | 41 | 58.5 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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