About Ben Lomond, CA's Climate & Weather History

Ben Lomond, in California, United States, is home to roughly 6,200 people in the Pacific Time Zone at 37.1°N latitude.

In 2025, Ben Lomond recorded an average annual temperature of 59°F — about 2.1°F above the 30-year normal of 57°F. The hottest day reached 101°F in August; the coldest was 30°F in January. Total precipitation was 35 inches (wetter than usual). The wettest month was February.