Sleepy Hollow, in California, United States, is home to roughly 2,400 people in the Pacific Time Zone at 38°N latitude.
In 2025, Sleepy Hollow recorded an average annual temperature of 57°F — about 0.6°F below the 30-year normal of 58°F. The hottest day reached 96°F in August; the coldest was 36°F in January. Total precipitation was 24 inches (near normal). The wettest month was February.
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