Spring Valley is a city of approximately 28,200 people in California, United States. Located in the Pacific Time Zone at 32.7°N latitude.
In 2025, Spring Valley recorded an average annual temperature of 64°F — about 1.2°F below the 30-year normal of 65°F. The hottest day reached 97°F in May; the coldest was 39°F in January. Total precipitation was 16 inches (wetter than usual). The wettest month was November.
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