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Weather & Climate
Sherman County, Oregon, United States
Overview
Climate data and monthly weather averages for Sherman County.
Key Metrics
Annual Avg
10°C
Summer Avg
19.3°C
Winter Avg
1°C
Record High
38.9°C
Record Low
-19.8°C
Annual Precipitation
502 mm
Avg Humidity
70%
Summer Humidity
58%
Winter Humidity
83%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 17° | 0.6° | -19.8° | 70.4 | 86% | 40 | 47.3 |
| Feb | 18.4° | 2.2° | -13.3° | 48.2 | 79% | 65 | 53.4 |
| Mar | 26.4° | 5.6° | -10.9° | 54.3 | 73% | 110 | 47.6 |
| Apr | 29.8° | 8.7° | -4° | 39.9 | 68% | 154 | 50.7 |
| May | 34.8° | 13.5° | -0.9° | 37.5 | 65% | 195 | 43.4 |
| Jun | 37.5° | 16.6° | 2.9° | 24.3 | 63% | 214 | 43.4 |
| Jul | 38.9° | 20.8° | 6.6° | 5.3 | 57% | 238 | 37.8 |
| Aug | 38° | 20.5° | 6.4° | 9.3 | 55% | 201 | 38.3 |
| Sep | 38.4° | 16.3° | 1° | 15.9 | 59% | 143 | 46.3 |
| Oct | 31.1° | 10.1° | -7.3° | 42.5 | 69% | 92 | 45.4 |
| Nov | 20.3° | 4.2° | -12.1° | 65.1 | 79% | 49 | 59.3 |
| Dec | 16.1° | 0.3° | -18° | 89.3 | 85% | 34 | 59.2 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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