Longwood Winton Grove, in California, United States, is home to roughly 6,700 people in the Pacific Time Zone at 37.7°N latitude.
In 2025, Longwood Winton Grove recorded an average annual temperature of 57°F — about 1.7°F below the 30-year normal of 59°F. The hottest day reached 90°F in September; the coldest was 31°F in January. Total precipitation was 24 inches (wetter than usual). The wettest month was February.
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