2025 Compare Cities Climate:
Rio Vista, CA vs Union City, CA

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Highlights
- Union City has 18.2% less rainy days than Rio Vista.
- Union City has 1.1% less Sunny Days than Rio Vista.
- On the BestPlaces comfort index, Union City scores 4.8% better than Rio Vista
 Rio Vista, CAUnion City, CAUnited States
 Rainfall  Unlock1738
 Snowfall0  Unlock28
 Precipitation  Unlock64106
 Sunny268  Unlock205
 Avg. July High  Unlock7686
 Avg. Jan. Low39  Unlock22
 Comfort Index (higher=better)  Unlock8.87
 UV Index5.1  Unlock4.3
 Elevation  Unlock662443
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 Union City    1 Reviews

Over 19 years ago

Hi, I am looking for a small, friendly town with low crime and friendly people, outdoor activites, mellow, etc. (in the bay area). I am currently hoping to move to  More

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