2026 Compare Cities Climate:
Vacaville, CA vs San Tan Valley, AZ

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Highlights
- San Tan Valley has 60.7% less rainy days than Vacaville.
- San Tan Valley has 12.3% more Sunny Days than Vacaville.
- On the BestPlaces comfort index, San Tan Valley scores 11.0% worse than Vacaville
 Vacaville, CASan Tan Valley, AZUnited States
 Rainfall  Unlock1038
 Snowfall0  Unlock28
 Precipitation  Unlock32106
 Sunny260  Unlock205
 Avg. July High  Unlock10586
 Avg. Jan. Low39  Unlock22
 Comfort Index (higher=better)  Unlock7.37
 UV Index5.1  Unlock4.3
 Elevation  Unlock15162443
Reviews for Vacaville    10 Reviews

I am a former Bay Area resident who moved to Vacaville to escape the ridiculous cost of living in the Bay. Now, if you are coming from the Bay, this place can seem more  More

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Over 7 years ago

It’s not a bad or dangerous place to live but I believe it doesn’t deserve the 5 stars most people are giving it. I have no idea where these people lived before moving  More

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If you enjoy a sophisticated urban environment, if you're single, if you're highly educated and appreciate access to continuing higher education at the post-graduate  More

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Reviews for San Tan Valley    2 Reviews

Over 7 years ago

I’ve lived here for nearly two years now. I find it to be a great place to live with a few drawbacks. 1.) There is no highway access and results in messy traffic  More

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Over 9 years ago

This place is AWFUL what a mistake we made! Schools are crap & constantly begging for supplies, traffic gets worse by the day as they continue to throw up subdivisions,  More

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