2025 Compare Cities Climate:
Campbell, CA vs Petaluma, CA

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Highlights
- Petaluma has 62.0% more rainy days than Campbell.
- Petaluma has 2.0% more Sunny Days than Campbell.
- On the BestPlaces comfort index, Petaluma scores 3.4% worse than Campbell
 Campbell, CAPetaluma, CAUnited States
 Rainfall  Unlock3038
 Snowfall0  Unlock28
 Precipitation  Unlock75106
 Sunny255  Unlock205
 Avg. July High  Unlock8486
 Avg. Jan. Low41  Unlock22
 Comfort Index (higher=better)  Unlock8.47
 UV Index5.1  Unlock4.3
 Elevation  Unlock302443
Reviews for Campbell    3 Reviews

Great weather....lots of places to eat and things to see and do...a bedroom community next to San Jose, CA. Wonderful community involvement!!! Great place to raise  More

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Over 19 years ago

The marine air comes over the hills to cool this area even on the hottest  More

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There are some very nice neighborhoods in Campbell. ...although it is becoming a city. Housing prices are absurd. Crime is increasing, and the schools aren't great.   More

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Reviews for Petaluma    16 Reviews

I agree with the low star reviews. Been here for 25 years, raised a family and seen everything turn to the left and worse. Weather is glorious, love the old Victorians  More

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We’ve lived here for 3 years and we love it. It has taken some time to grow on us. We moved from SF where we had lived over 15 years, we were not used to one year leases  More

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I’ve lived here a couple of years (after living in others parts of the Bay Area for 15+ years) and I love it! Great neighborhoods, friendly folks, good schools with  More

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