About Santa Ana, CA's Climate & Weather History

Santa Ana is a city of approximately 310,000 people in California, United States. Located in the Pacific Time Zone at 33.7°N latitude.

In 2025, Santa Ana recorded an average annual temperature of 64°F — about 0.6°F below the 30-year normal of 65°F. The hottest day reached 101°F in May; the coldest was 40°F in March. Total precipitation was 18 inches (wetter than usual). The wettest month was November.