Grass Valley is a city of approximately 12,900 people in California, United States. Located in the Pacific Time Zone at 39.2°N latitude.
Expect a temperate oceanic climate in Grass Valley: average highs of 78°F in midsummer, lows near 34°F in midwinter, and an annual mean of 52°F. Precipitation totals roughly 62 inches per year, concentrated around December, with July typically the driest month.
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