Angwin, in California, United States, is home to roughly 3,100 people in the Pacific Time Zone at 38.6°N latitude.
In 2025, Angwin recorded an average annual temperature of 57°F — about 1.5°F below the 30-year normal of 58°F. The hottest day reached 99°F in July; the coldest was 26°F in February. Total precipitation was 29 inches (drier than usual). The wettest month was February.
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