2025 Compare Cities Climate:
Portland, OR vs Sunnyvale, CA

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Highlights
- Sunnyvale has 64.0% less rainy days than Portland.
- Sunnyvale has 80.6% more Sunny Days than Portland.
- On the BestPlaces comfort index, Sunnyvale scores 17.3% better than Portland
 Portland, ORSunnyvale, CAUnited States
 Rainfall  Unlock1538
 Snowfall3  Unlock28
 Precipitation  Unlock63106
 Sunny144  Unlock205
 Avg. July High  Unlock8086
 Avg. Jan. Low36  Unlock22
 Comfort Index (higher=better)  Unlock8.87
 UV Index3  Unlock4.3
 Elevation  Unlock1252443
Reviews for Portland    386 Reviews

I lived in Portland for 19 years (I've also lived in Boise, ID, the Bay Area, Austin, TX and now Nampa, ID). It drives me nuts when people try to give a large city a  More

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One of the best cities in America. Food scene is the best in the world. Weather is preferable over places where you have the same weather year round. I enjoy the  More

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I moved from Houston to Portland about a year ago. I remember reading the reviews on here and it making me second guess moving before I did, so I wanted to come back and  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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