2025 Compare Cities Climate:
Copperopolis, CA vs Napa, CA

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Highlights
- Napa has 4.2% less rainy days than Copperopolis.
- Napa has 0.4% less Sunny Days than Copperopolis.
- On the BestPlaces comfort index, Napa scores 5.0% better than Copperopolis
 Copperopolis, CANapa, CAUnited States
 Rainfall  Unlock2738
 Snowfall0  Unlock28
 Precipitation  Unlock69106
 Sunny261  Unlock205
 Avg. July High  Unlock8286
 Avg. Jan. Low37  Unlock22
 Comfort Index (higher=better)  Unlock8.47
 UV Index5.3  Unlock4.3
 Elevation  Unlock202443
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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Reviews for Napa    19 Reviews

I have lived in Napa for 20 years. In that time, Napa has changed dramatically. Today, Napa is very much a Hispanic community. Many Latinos don't or won't speak English  More

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My longtime Napa home burned to smithereens in 2017. That same night, a crazy stalker set her sights on me. Two nights after the fire, she showed up at my rescue house  More

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Napa is a very easy place to live, especially for those contemplating retirement. The pace of life is peaceful. The weather is superb -- never miserably cold or hot but  More

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