2025 Compare Cities Climate:
San Ramon, CA vs Ontario, CA

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Highlights
- Ontario has 17.4% less rainy days than San Ramon.
- Ontario has 9.0% more Sunny Days than San Ramon.
- On the BestPlaces comfort index, Ontario scores 3.5% better than San Ramon
 San Ramon, CAOntario, CAUnited States
 Rainfall  Unlock1638
 Snowfall0  Unlock28
 Precipitation  Unlock31106
 Sunny256  Unlock205
 Avg. July High  Unlock9286
 Avg. Jan. Low39  Unlock22
 Comfort Index (higher=better)  Unlock8.87
 UV Index5.4  Unlock4.3
 Elevation  Unlock10042443
Reviews for San Ramon    17 Reviews

Over 13 years ago

If you like the weather hot and dry, this is the place for you! Don't come here if you like to see green hills in the summer,if you don't care for sunshine for 7-8  More

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Over 14 years ago

For what you get, "it" does not live up to the premium you have to pay to get "it".!  More

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good climate i expirenced in us is san ramon i am very happy to stay in that  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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