Rohnert Park, in California, United States, is home to roughly 42,400 people in the Pacific Time Zone at 38.3°N latitude.
In 2025, Rohnert Park recorded an average annual temperature of 56°F — about 1.8°F below the 30-year normal of 58°F. The hottest day reached 93°F in September; the coldest was 31°F in January. Total precipitation was 26 inches (drier than usual). The wettest month was February.
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