Weather & Climate
Centralia, Washington, United States
Overview
Available climate summaries for Centralia. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.
Key Metrics
Annual Avg
9.4°C
Summer Avg
15.5°C
Winter Avg
3.7°C
Record High
37.4°C
Record Low
-11.7°C
Annual Precipitation
1615.4 mm
Avg Humidity
88%
Summer Humidity
82%
Winter Humidity
93%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 15.5° | 3.8° | -10.2° | 242.1 | 94% | 34 | 21.9 |
| Feb | 16.9° | 4° | -8.9° | 146.2 | 91% | 55 | 24.7 |
| Mar | 21.3° | 5.9° | -4.9° | 191 | 90% | 89 | 22.9 |
| Apr | 30.6° | 8° | -3.4° | 124.8 | 86% | 125 | 23.1 |
| May | 31.8° | 11.3° | -0.5° | 80 | 84% | 162 | 22.7 |
| Jun | 34.6° | 13.6° | 3.6° | 54.6 | 84% | 172 | 17 |
| Jul | 35.8° | 16.3° | 6.5° | 17.7 | 82% | 197 | 12.4 |
| Aug | 34.5° | 16.6° | 6.2° | 29.4 | 81% | 168 | 21.7 |
| Sep | 37.4° | 14.4° | 0.4° | 70.2 | 82% | 121 | 20.6 |
| Oct | 29.4° | 10° | -4.7° | 162.1 | 88% | 75 | 22.4 |
| Nov | 18.5° | 6° | -8.3° | 250.2 | 93% | 39 | 28 |
| Dec | 13.9° | 3.2° | -11.7° | 247.1 | 95% | 28 | 29.1 |
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.