With a population of around 29,200, Atwater sits in California, United States. The city operates in the Pacific Time Zone.
In 2025, Atwater recorded an average annual temperature of 64°F — about 1.4°F above the 30-year normal of 62°F. The hottest day reached 106°F in September; the coldest was 30°F in January. Total precipitation was 19 inches (wetter than usual). The wettest month was November.
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