Sonoma is a city of approximately 11,000 people in California, United States. Located in the Pacific Time Zone at 38.3°N latitude.
In 2025, Sonoma recorded an average annual temperature of 57°F — about 0.7°F below the 30-year normal of 58°F. The hottest day reached 96°F in September; the coldest was 31°F in January. Total precipitation was 28 inches (wetter than usual). The wettest month was February.
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