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Weather & Climate
Gilroy, California, United States
Overview
Climate data and monthly weather averages for Gilroy.
Key Metrics
Annual Avg
13.7°C
Summer Avg
17.3°C
Winter Avg
9.7°C
Record High
41.7°C
Record Low
-2.8°C
Annual Precipitation
521.9 mm
Avg Humidity
75%
Summer Humidity
70%
Winter Humidity
81%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 24.6° | 9.5° | -2.8° | 91.8 | 82% | 75 | 46 |
| Feb | 24.8° | 10° | -0.3° | 91.3 | 82% | 97 | 39.3 |
| Mar | 27.1° | 11.1° | 1.1° | 80 | 82% | 148 | 36.2 |
| Apr | 33.8° | 12° | 2° | 40.5 | 79% | 187 | 31.9 |
| May | 36° | 14° | 5.1° | 14.9 | 75% | 232 | 26.9 |
| Jun | 37.9° | 16.2° | 6.8° | 3.9 | 71% | 250 | 24.4 |
| Jul | 39.5° | 17.7° | 7.8° | 0.6 | 69% | 254 | 21 |
| Aug | 38.4° | 18.1° | 8.5° | 1.2 | 70% | 228 | 20.3 |
| Sep | 41.7° | 18° | 7.7° | 3.6 | 67% | 180 | 24.5 |
| Oct | 37.7° | 15.9° | 5.3° | 26 | 68% | 136 | 38.8 |
| Nov | 30.2° | 12.3° | -0.9° | 53.7 | 75% | 88 | 36.5 |
| Dec | 23.9° | 9.6° | -2.3° | 114.4 | 80% | 67 | 40.6 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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