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Weather & Climate
Willow Creek, California, United States
Overview
Available climate summaries for Willow Creek. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.
Key Metrics
Annual Avg
11.3°C
Summer Avg
18.2°C
Winter Avg
5.2°C
Record High
41.3°C
Record Low
-9.5°C
Annual Precipitation
1180.1 mm
Avg Humidity
73%
Summer Humidity
59%
Winter Humidity
86%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 22.3° | 5.3° | -9.2° | 186.3 | 86% | 63 | 29.6 |
| Feb | 24.9° | 5.5° | -8.5° | 157.6 | 86% | 82 | 27.1 |
| Mar | 30.7° | 6.7° | -8° | 168.6 | 86% | 126 | 24.9 |
| Apr | 30.5° | 8.4° | -3.9° | 91.8 | 83% | 166 | 25.1 |
| May | 34.9° | 11.8° | -1.8° | 48.4 | 79% | 214 | 20.4 |
| Jun | 38.3° | 15.4° | 2° | 20.1 | 69% | 238 | 18.7 |
| Jul | 41.3° | 19.7° | 5.6° | 4 | 56% | 252 | 15.8 |
| Aug | 39.1° | 19.6° | 5.3° | 5 | 52% | 222 | 17.8 |
| Sep | 39.4° | 17.7° | 2.2° | 19.2 | 52% | 171 | 17.8 |
| Oct | 34.8° | 13.1° | -2.3° | 78.4 | 64% | 122 | 26.4 |
| Nov | 28° | 7.9° | -6.7° | 143.4 | 80% | 71 | 26.4 |
| Dec | 22.2° | 4.9° | -9.5° | 257.3 | 87% | 51 | 30.7 |
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 2026-03-23.
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