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

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Highlights
- Rio Vista has 31.8% more rainy days than Sunnyvale.
- Rio Vista has 3.1% more Sunny Days than Sunnyvale.
- On the BestPlaces comfort index, Rio Vista scores 4.5% worse than Sunnyvale
 Sunnyvale, CARio Vista, CAUnited States
 Rainfall  Unlock2038
 Snowfall0  Unlock28
 Precipitation  Unlock58106
 Sunny260  Unlock205
 Avg. July High  Unlock9186
 Avg. Jan. Low42  Unlock22
 Comfort Index (higher=better)  Unlock8.47
 UV Index5.1  Unlock4.3
 Elevation  Unlock202443
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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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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