2025 Compare Cities Climate:
Sunnyvale, CA vs Diamond Bar, CA

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Highlights
- Diamond Bar has 22.1% more rainy days than Sunnyvale.
- Diamond Bar has 10.0% more Sunny Days than Sunnyvale.
- On the BestPlaces comfort index, Diamond Bar scores 0.0% worse than Sunnyvale
 Sunnyvale, CADiamond Bar, CAUnited States
 Rainfall  Unlock1938
 Snowfall0  Unlock28
 Precipitation  Unlock32106
 Sunny260  Unlock205
 Avg. July High  Unlock9186
 Avg. Jan. Low42  Unlock22
 Comfort Index (higher=better)  Unlock8.87
 UV Index5.1  Unlock4.3
 Elevation  Unlock6962443
Reviews for Sunnyvale    14 Reviews

At this point, I would only recommend moving to silicon valley for the job market. Sure, the weather is great and the restaurants offer huge variety. But the costs of  More

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Like previous reviewer, tech company's tyranny over city gov and quality of living has negatively impacted a fantastic place to live. Climate, while super, is grossly  More

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I've lived here for 40 years. While the weather is fabulous, For the past ten years of high density housing mostly needed to house thousands of a young up coming tech  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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