About Humboldt Hill, CA's Climate & Weather History

Humboldt Hill, in California, United States, is home to roughly 3,400 people in the Pacific Time Zone at 40.7°N latitude.

In 2025, Humboldt Hill recorded an average annual temperature of 53°F — right at the 30-year normal of 53°F. The hottest day reached 81°F in October; the coldest was 27°F in January. Total precipitation was 55 inches (wetter than usual). The wettest month was March.