2026 Compare Cities Climate:
Round Rock, TX vs Ontario, CA

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Highlights
- Ontario has 56.4% less rainy days than Round Rock.
- Ontario has 20.3% more Sunny Days than Round Rock.
- On the BestPlaces comfort index, Ontario scores 22.2% better than Round Rock
 Round Rock, TXOntario, CAUnited States
 Rainfall  Unlock1638
 Snowfall0  Unlock28
 Precipitation  Unlock31106
 Sunny232  Unlock205
 Avg. July High  Unlock9286
 Avg. Jan. Low38  Unlock22
 Comfort Index (higher=better)  Unlock8.87
 UV Index6.1  Unlock4.3
 Elevation  Unlock10042443
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 Ontario    6 Reviews

We've lived in this area for several years. Traveling long distances to other cities for churches. Passing a quiet, unassuming church along the way for years. Until  More

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cool  More

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I think Ontario,ca us awesome because we have an entertainment Venue and large shopping mall to please everyone of all  More

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