2025 Compare Cities Climate:
Rio Vista, CA vs Petaluma, CA

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Highlights
- Petaluma has 46.8% more rainy days than Rio Vista.
- Petaluma has 3.0% less Sunny Days than Rio Vista.
- On the BestPlaces comfort index, Petaluma scores 0.0% worse than Rio Vista
 Rio Vista, CAPetaluma, CAUnited States
 Rainfall  Unlock3038
 Snowfall0  Unlock28
 Precipitation  Unlock75106
 Sunny268  Unlock205
 Avg. July High  Unlock8486
 Avg. Jan. Low39  Unlock22
 Comfort Index (higher=better)  Unlock8.47
 UV Index5.1  Unlock4.3
 Elevation  Unlock302443
Reviews for Rio Vista    2 Reviews

Known as “the Gateway to the Delta”, Rio Vista is located in the heart of the California Delta on the Sacramento River. The views along the wide river bring to mind the  More

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There is plenty to be had in Rio Vista, particularly if you like dead animal heads on a bar wall (Fosters Big Horn) and a state of the art fish cleaning station located  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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