Greenfield, in California, United States, is home to roughly 4,000 people in the Pacific Time Zone at 35.3°N latitude.
In 2025, Greenfield recorded an average annual temperature of 67°F — about 0.8°F above the 30-year normal of 66°F. The hottest day reached 110°F in August; the coldest was 28°F in January. Total precipitation was 20 inches (wetter than usual). The wettest month was November.
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