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Weather & Climate
Chester, California, United States
Overview
Climate data and monthly weather averages for Chester.
Key Metrics
Annual Avg
8°C
Summer Avg
18.3°C
Winter Avg
-0.9°C
Record High
38.7°C
Record Low
-19.3°C
Annual Precipitation
903.2 mm
Avg Humidity
63%
Summer Humidity
40%
Winter Humidity
83%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 15.1° | -1.1° | -18.2° | 128.7 | 85% | 66 | 38.2 |
| Feb | 17.7° | -0.3° | -16.8° | 137.8 | 82% | 85 | 31.4 |
| Mar | 18.6° | 2° | -14.9° | 135.8 | 81% | 130 | 28.5 |
| Apr | 23.1° | 4.7° | -12.1° | 77.1 | 75% | 171 | 31 |
| May | 31.2° | 9.5° | -5.2° | 52.7 | 67% | 218 | 24.3 |
| Jun | 34.7° | 14.9° | -2.8° | 18.9 | 53% | 245 | 22.5 |
| Jul | 38.7° | 20.5° | 3.5° | 4.6 | 35% | 259 | 19.4 |
| Aug | 37° | 19.6° | 1.7° | 4.6 | 31% | 228 | 20.6 |
| Sep | 35.3° | 15.6° | -3.2° | 11.4 | 37% | 176 | 24.4 |
| Oct | 30.6° | 9° | -6.2° | 51.8 | 53% | 126 | 31.5 |
| Nov | 23.5° | 2.7° | -19° | 96.9 | 72% | 74 | 28.6 |
| Dec | 14.2° | -1.2° | -19.3° | 182.9 | 83% | 55 | 35 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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