2025 Compare Cities Climate:
Grass Valley, CA vs Copperopolis, CA

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Highlights
- Copperopolis has 48.2% less rainy days than Grass Valley.
- Copperopolis has 7.4% more Sunny Days than Grass Valley.
- On the BestPlaces comfort index, Copperopolis scores 1.3% better than Grass Valley
 Grass Valley, CACopperopolis, CAUnited States
 Rainfall  Unlock2938
 Snowfall11  Unlock28
 Precipitation  Unlock70106
 Sunny243  Unlock205
 Avg. July High  Unlock9686
 Avg. Jan. Low34  Unlock22
 Comfort Index (higher=better)  Unlock87
 UV Index5  Unlock4.3
 Elevation  Unlock9942443
Reviews for Grass Valley    15 Reviews

I've lived many places in California. I've now lived in Grass Valley for 2 years. Grass Valley and it's sister Nevada City are adorable little towns full of history and  More

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Grass valley has become a sad place to live. I was born and raised here and can no longer afford to raise my small family here. Look up the median annual wage and the  More

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I'm 25 years old and I've lived in this town all of my life, and I'm saving every single dollar I make to leave here and never come back. It's a shame, because at one  More

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Reviews for Copperopolis    1 Reviews

My wife and I along with our 4 children have lived in Copperopolis since 1996...And we absolutely love it here! Very low crime, good weather, there are a couple of very  More

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