About Ramona, CA's Climate & Weather History

With a population of around 20,300, Ramona sits in California, United States. The city operates in the Pacific Time Zone.

In 2025, Ramona recorded an average annual temperature of 63°F — about 1.5°F above the 30-year normal of 61°F. The hottest day reached 101°F in August; the coldest was 33°F in January. Total precipitation was 20 inches (wetter than usual). The wettest month was March.