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

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Highlights
- Sunnyvale has 48.3% less rainy days than Petaluma.
- Sunnyvale has 0.0% more Sunny Days than Petaluma.
- On the BestPlaces comfort index, Sunnyvale scores 4.8% better than Petaluma
 Petaluma, CASunnyvale, CAUnited States
 Rainfall  Unlock1538
 Snowfall0  Unlock28
 Precipitation  Unlock63106
 Sunny260  Unlock205
 Avg. July High  Unlock8086
 Avg. Jan. Low39  Unlock22
 Comfort Index (higher=better)  Unlock8.87
 UV Index4.9  Unlock4.3
 Elevation  Unlock1252443
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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Reviews for Sunnyvale    14 Reviews

At this point, I would only recommend moving to silicon valley for the job market. Sure, the weather is great and the restaurants offer huge variety. But the costs of  More

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Like previous reviewer, tech company's tyranny over city gov and quality of living has negatively impacted a fantastic place to live. Climate, while super, is grossly  More

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I've lived here for 40 years. While the weather is fabulous, For the past ten years of high density housing mostly needed to house thousands of a young up coming tech  More

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