About San Miguel, CA's Climate & Weather History

San Miguel is a city of approximately 2,300 people in California, United States. Located in the Pacific Time Zone at 35.8°N latitude.

In 2025, San Miguel recorded an average annual temperature of 61°F — about 1.3°F above the 30-year normal of 60°F. The hottest day reached 106°F in August; the coldest was 32°F in February. Total precipitation was 14 inches (near normal). The wettest month was December.