2026 Compare Cities Climate:
Rio Vista, CA vs Oro Valley, AZ

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Highlights
- Oro Valley has 33.5% less rainy days than Rio Vista.
- Oro Valley has 4.1% more Sunny Days than Rio Vista.
- On the BestPlaces comfort index, Oro Valley scores 9.5% worse than Rio Vista
 Rio Vista, CAOro Valley, AZUnited States
 Rainfall  Unlock1438
 Snowfall0  Unlock28
 Precipitation  Unlock51106
 Sunny268  Unlock205
 Avg. July High  Unlock10086
 Avg. Jan. Low39  Unlock22
 Comfort Index (higher=better)  Unlock7.67
 UV Index5.1  Unlock4.3
 Elevation  Unlock25432443
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 Oro Valley    5 Reviews

Some of these reviews are so inaccurate. Rentals for a 2-bedroom are closer to $1000/mo and up if you want to live in a safer neighborhood. People here are so intolerant  More

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Over 16 years ago

I have lived here in Oro Valley for 3.8 years -love it here. however lack of cultural diversity, water and the 100+ heat each day for 3 months a year means that i am  More

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I am a retiree from New York. I moved to Tucson two years ago. Now we are about to buy a home in Oro Valley, just north of Tucson. I love this area. The mountains  More

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