With a population of around 7,600, Acton sits in California, United States. The city operates in the Pacific Time Zone.
In 2025, Acton recorded an average annual temperature of 63°F — right at the 30-year normal of 63°F. The hottest day reached 101°F in August; the coldest was 30°F in January. Total precipitation was 19 inches (wetter than usual). The wettest month was November.
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