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Weather & Climate
Modesto, California, United States
Overview
Climate data and monthly weather averages for Modesto.
Key Metrics
Annual Avg
15.9°C
Summer Avg
23.7°C
Winter Avg
8.5°C
Record High
46.7°C
Record Low
-5.3°C
Annual Precipitation
420 mm
Avg Humidity
62%
Summer Humidity
44%
Winter Humidity
79%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 23.4° | 8.2° | -5.3° | 73.5 | 80% | 73 | 55.9 |
| Feb | 25.2° | 9.3° | -3° | 72.2 | 79% | 98 | 53.8 |
| Mar | 29.5° | 11.3° | -1.4° | 62.3 | 77% | 152 | 49.5 |
| Apr | 35.2° | 13.4° | 0.2° | 34.2 | 70% | 189 | 43.3 |
| May | 42.4° | 17.3° | 4.1° | 12.7 | 59% | 235 | 43.4 |
| Jun | 43.4° | 21.8° | 6.3° | 3 | 48% | 252 | 37.5 |
| Jul | 46.7° | 25.1° | 9.5° | 0.3 | 41% | 254 | 30.7 |
| Aug | 44.9° | 24.3° | 9.9° | 0.6 | 44% | 229 | 30.6 |
| Sep | 45.3° | 22.3° | 7.8° | 2.7 | 46% | 181 | 31.3 |
| Oct | 39.4° | 17.6° | 3.6° | 21.4 | 53% | 138 | 47.3 |
| Nov | 31.5° | 12° | -2.6° | 43.5 | 67% | 88 | 43.2 |
| Dec | 21.9° | 8.1° | -4.2° | 93.6 | 77% | 66 | 45.6 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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