2026 Compare Cities Climate:
Round Rock, TX vs Union City, CA

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Highlights
- Union City has 53.9% less rainy days than Round Rock.
- Union City has 14.2% more Sunny Days than Round Rock.
- On the BestPlaces comfort index, Union City scores 22.2% better than Round Rock
 Round Rock, TXUnion City, CAUnited States
 Rainfall  Unlock1738
 Snowfall0  Unlock28
 Precipitation  Unlock64106
 Sunny232  Unlock205
 Avg. July High  Unlock7686
 Avg. Jan. Low38  Unlock22
 Comfort Index (higher=better)  Unlock8.87
 UV Index6.1  Unlock4.3
 Elevation  Unlock662443
Reviews for Round Rock    28 Reviews

I plan on relocating from Amarillo to Round Rock or one of the suburbs north of Austin with my wife and kids. I would like to know what people can tell me about the job  More

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Round Rock has a booming real estate market. It is one of the fastest growing communities in America. If you need more info about home buying in Round Rock, or anywhere  More

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We moved from Southern CA, we first lived at beach for many years in SD, then high desert (Hesperia). BEST MOVE I'VE EVER MADE IN MY LIFE!! The weather is great, the  More

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Reviews for Union City    1 Reviews

Over 20 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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