About Perris, CA's Climate & Weather History

Perris, in California, United States, is home to roughly 75,000 people in the Pacific Time Zone at 33.8°N latitude.

In 2025, Perris recorded an average annual temperature of 65°F. The hottest temperatures reached 107°F in August; the coolest were 33°F in January. Total precipitation for the year was 14 inches, with the wettest month being November.