About Merced, CA's Climate & Weather History

With a population of around 82,400, Merced sits in California, United States. The city operates in the Pacific Time Zone.

In 2025, Merced recorded an average annual temperature of 64°F — about 1.5°F above the 30-year normal of 62°F. The hottest day reached 106°F in September; the coldest was 30°F in January. Total precipitation was 20 inches (wetter than usual). The wettest month was November.