2025 Compare Cities Climate:
Pasadena, CA vs Sunnyvale, CA

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Highlights
- Sunnyvale has 28.0% less rainy days than Pasadena.
- Sunnyvale has 9.1% less Sunny Days than Pasadena.
- On the BestPlaces comfort index, Sunnyvale scores 3.3% worse than Pasadena
 Pasadena, CASunnyvale, CAUnited States
 Rainfall  Unlock1538
 Snowfall0  Unlock28
 Precipitation  Unlock63106
 Sunny286  Unlock205
 Avg. July High  Unlock8086
 Avg. Jan. Low45  Unlock22
 Comfort Index (higher=better)  Unlock8.87
 UV Index6.2  Unlock4.3
 Elevation  Unlock1252443
Reviews for Pasadena    19 Reviews

Pasadena is a little slice of the world in the foothills above the San Gabriel Valley. It has everything you could want. Check out my video on the cost of living in  More

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Over 10 years ago

The weather in Pasadena, CA is rather pleasant. It does not get cold here, it used to be around the first two weeks of December it could go down to 32-28 F, only a few  More

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Over 11 years ago

Great place to live for all ages and enjoy mostly sunny  More

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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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