2025 Compare Cities Climate:
Charleston, SC vs Sunnyvale, CA

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Highlights
- Sunnyvale has 68.1% less rainy days than Charleston.
- Sunnyvale has 24.4% more Sunny Days than Charleston.
- On the BestPlaces comfort index, Sunnyvale scores 22.2% better than Charleston
 Charleston, SCSunnyvale, CAUnited States
 Rainfall  Unlock1538
 Snowfall0  Unlock28
 Precipitation  Unlock63106
 Sunny209  Unlock205
 Avg. July High  Unlock8086
 Avg. Jan. Low39  Unlock22
 Comfort Index (higher=better)  Unlock8.87
 UV Index5.1  Unlock4.3
 Elevation  Unlock1252443
Reviews for Charleston    76 Reviews

Over 2 years ago

Charleston is beautiful and unique and incredibly special. If you don't believe me, just ask Anthony Bourdain in his Parts Unknown episode - and he was an insightful  More

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Serious lack of health care and "good old boys club" whereby doctors will not even see the patient but diagnose them based on referring doctor. My sister died there for  More

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Over 5 years ago

Boy, has this once beautiful town changed...for the worse! I initially moved here 20 years ago because the people were so nice, no traffic, great choice of hospitals,  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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