About Pacheco, CA's Climate & Weather History

Pacheco is a city of approximately 3,700 people in California, United States. Located in the Pacific Time Zone at 38°N latitude.

In 2025, Pacheco recorded an average annual temperature of 59°F — about 1.1°F above the 30-year normal of 58°F. The hottest day reached 99°F in August; the coldest was 35°F in February. Total precipitation was 18 inches (near normal). The wettest month was February.