Monthly weather forecast and Climate
Gilroy, CA US

Warmest months (with the highest average high temperature) are July and August (88°F).
Months with the lowest average high temperature are January and December (60°F).

Months with the highest average low temperature are July and August (54°F).
Coldest months (with the lowest average low temperature) are January and December (37°F).

The wettest month (with the highest rainfall) is January (4.7").
Driest months (with the lowest rainfall) are June, July and August (0.1").

The month with the highest number of rainy days is January (7 days).
Months with the lowest number of rainy days are June, July and August (0 days).