Patterson, in California, United States, is home to roughly 21,500 people in the Pacific Time Zone at 37.5°N latitude.
In 2025, Patterson recorded an average annual temperature of 64°F — about 3.9°F above the 30-year normal of 60°F. The hottest day reached 106°F in July; the coldest was 32°F in January. Total precipitation was 16 inches (wetter than usual). The wettest month was November.
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