2025 Compare Cities Climate:
Boulder, CO vs Diamond Bar, CA

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Highlights
- Diamond Bar has 3.9% more rainy days than Boulder.
- Diamond Bar has 16.7% more Sunny Days than Boulder.
- On the BestPlaces comfort index, Diamond Bar scores 23.9% better than Boulder
 Boulder, CODiamond Bar, CAUnited States
 Rainfall  Unlock1938
 Snowfall71  Unlock28
 Precipitation  Unlock32106
 Sunny245  Unlock205
 Avg. July High  Unlock9186
 Avg. Jan. Low19  Unlock22
 Comfort Index (higher=better)  Unlock8.87
 UV Index5.8  Unlock4.3
 Elevation  Unlock6962443
Reviews for Boulder    55 Reviews

Outside of the university, Boulder had a very distinctive "wealthy hippy" feel. A lot of alternative medicine and a matching ethos. This is changing some among my  More

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We moved here from Texas about 4 years ago and love it here! The amazing sense of community and high regard for the environment are two of the main reasons we love  More

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Over 5 years ago

Most people do much worse than Boulder. I'm the most critical person I've ever met who is never happy or satisfied -- so that's a pretty huge compliment.   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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