Weather & Climate
Okanogan, Washington, United States
Overview
Available climate summaries for Okanogan. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.
Key Metrics
Annual Avg
6°C
Summer Avg
17.8°C
Winter Avg
-5.5°C
Record High
35.9°C
Record Low
-31.1°C
Annual Precipitation
475.3 mm
Avg Humidity
72%
Summer Humidity
53%
Winter Humidity
93%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 5.7° | -6° | -31.1° | 56.1 | 95% | 35 | 26 |
| Feb | 11.3° | -4.5° | -25.3° | 36.1 | 90% | 61 | 27.4 |
| Mar | 16.3° | 0.1° | -21.9° | 49.9 | 80% | 103 | 28.2 |
| Apr | 24.6° | 5° | -10.6° | 34.8 | 67% | 144 | 30.3 |
| May | 30.2° | 11.1° | -4.2° | 45.6 | 61% | 184 | 31.7 |
| Jun | 35.8° | 14.9° | -0.5° | 37.8 | 59% | 193 | 22.5 |
| Jul | 35.9° | 19.6° | 3.5° | 14.9 | 51% | 224 | 26.5 |
| Aug | 35.9° | 19° | 4.1° | 13 | 50% | 187 | 30 |
| Sep | 32.2° | 13.6° | -3.1° | 20.1 | 57% | 132 | 26.8 |
| Oct | 26.1° | 5.9° | -11.4° | 40.9 | 71% | 81 | 30 |
| Nov | 13.3° | -1° | -24.9° | 57.9 | 85% | 39 | 33.8 |
| Dec | 4.2° | -6.1° | -28.1° | 68.2 | 94% | 27 | 27.8 |
Data sources
Estimates and unverified origins
Oyster List climate data - Climate origins are unverified. Available methods include historical APIs and AI estimates; stored rows do not identify the original dataset, reference period, or model for each value. Treat these summaries as estimates until independently verified. Record updated 2026-03-22.