About Milpitas, CA's Climate & Weather History

Milpitas, in California, United States, is home to roughly 77,600 people in the Pacific Time Zone at 37.4°N latitude.

In 2025, Milpitas recorded an average annual temperature of 60°F. The hottest temperatures reached 96°F in September; the coolest were 31°F in February. Total precipitation for the year was 20 inches, with the wettest month being February.