2025 Compare Cities :
Ontario, CA vs Diamond Bar, CA

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 Ontario, CADiamond Bar, CAUnited States
 Rainfall  Unlock18.838.1
 Snowfall0  Unlock27.8
 Precipitation Days30.532.3106.2
 Sunny279  Unlock205
 Avg. July High  Unlock90.985.8
 Avg. Jan. Low42.6  Unlock21.7
 Comfort Index (higher=better)  Unlock8.87
 UV Index5.7  Unlock4.3
 Elevation ft.10046962443
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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Reviews for Diamond Bar    3 Reviews

Over 14 years ago

Beautiful city and great place to raise a family. The worst part of Diamond Bar would be some of the best places to live in other cities. Diamond Bar has some of the  More

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Over 14 years ago

The city is centrally located to riverside, San Bernardino, Orange County and Downtown La. It is very scenic with beautiful hills, great schools and within easy reach,  More

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Over 15 years ago

This is a very quiet area about 30 mile east of downtown Los Angeles. I'm a bit concerned about what effect a possible new NFL stadium in the City of Industry CA will  More

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