2026 Compare Cities Climate:
Rio Vista, CA vs San Diego, CA

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Highlights
- San Diego has 42.4% less rainy days than Rio Vista.
- San Diego has 0.7% less Sunny Days than Rio Vista.
- On the BestPlaces comfort index, San Diego scores 9.5% better than Rio Vista
 Rio Vista, CASan Diego, CAUnited States
 Rainfall  Unlock1238
 Snowfall0  Unlock28
 Precipitation  Unlock38106
 Sunny268  Unlock205
 Avg. July High  Unlock7986
 Avg. Jan. Low39  Unlock22
 Comfort Index (higher=better)  Unlock9.27
 UV Index5.1  Unlock4.3
 Elevation  Unlock622443
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 San Diego    319 Reviews

I have lived in San Diego for more than half my life (I am 30) and love it. It has something for everyone and more from arts, to sporting events, and all cuisine is  More

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The only real knock again San Diego is the cost of living, but it is paradise compared to most cities of similar size. Those who complain about the traffic here or say  More

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I have lived in San Diego since 1968 and I am now almost 62 years old. I love San Diego, I really do. But it has become so crowded and so expensive over the years. It  More

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