Description: Weather outlook for Nevada County, California including Grass Valley, and Nevada City, and observations on climate change in the area
climate change (1645) nevada county (67)
Nevada County is located in the Sierra Nevada in the State of California.
Grass Valley, CA has a hot-summer Mediterranean climate (Köppen climate classification Csa) with warm to hot, dry summers and wet, cool, rainy winters.
On average Grass Valley gets over 50 inches of precipitation a year, with close to no precipitation in the summer months. Rain events happen mostly between October and April. Mixed precipitation events of snow and rain occur in Grass Valley, but substantial snow fall events are becoming less common over time.