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Weather & Climate
Three Rivers, Oregon, United States
Overview
Climate data and monthly weather averages for Three Rivers.
Key Metrics
Annual Avg
7.4°C
Summer Avg
16.8°C
Winter Avg
-0.9°C
Record High
37.8°C
Record Low
-21.5°C
Annual Precipitation
617.2 mm
Avg Humidity
70%
Summer Humidity
58%
Winter Humidity
84%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 16.8° | -0.9° | -21.5° | 82.1 | 85% | 54 | 40.9 |
| Feb | 17.1° | -0.2° | -19.8° | 60.2 | 80% | 75 | 43.1 |
| Mar | 21.9° | 2.3° | -13.9° | 69.4 | 76% | 120 | 41 |
| Apr | 27.4° | 5.1° | -7.7° | 52.8 | 71% | 160 | 45.4 |
| May | 31.3° | 10° | -4.9° | 47.1 | 67% | 201 | 36.3 |
| Jun | 35.4° | 13.8° | -1.9° | 31.5 | 63% | 225 | 30.9 |
| Jul | 37.8° | 18.7° | 2.1° | 8.1 | 56% | 243 | 26.1 |
| Aug | 37.2° | 17.9° | 1.7° | 10.8 | 55% | 209 | 28.6 |
| Sep | 36.5° | 13.7° | -2.2° | 21.9 | 57% | 157 | 35.1 |
| Oct | 31.5° | 7.6° | -9.3° | 45.6 | 67% | 106 | 44.7 |
| Nov | 22.3° | 2° | -18.4° | 78.3 | 78% | 59 | 40.2 |
| Dec | 13.3° | -1.5° | -21.3° | 109.4 | 86% | 44 | 46.5 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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