Green Valley is a city of approximately 1,000 people in California, United States. Located in the Pacific Time Zone at 34.6°N latitude.
In 2025, Green Valley recorded an average annual temperature of 61°F — about 1.4°F below the 30-year normal of 62°F. The hottest day reached 101°F in July; the coldest was 29°F in January. Total precipitation was 28 inches (wetter than usual). The wettest month was November.
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