2025 Compare Cities Climate:
Vienna, VA vs Sunnyvale, CA

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Highlights
- Sunnyvale has 63.8% less rainy days than Vienna.
- Sunnyvale has 28.7% more Sunny Days than Vienna.
- On the BestPlaces comfort index, Sunnyvale scores 20.5% better than Vienna
 Vienna, VASunnyvale, CAUnited States
 Rainfall  Unlock1538
 Snowfall21  Unlock28
 Precipitation  Unlock63106
 Sunny202  Unlock205
 Avg. July High  Unlock8086
 Avg. Jan. Low24  Unlock22
 Comfort Index (higher=better)  Unlock8.87
 UV Index4  Unlock4.3
 Elevation  Unlock1252443
Reviews for Vienna    14 Reviews

I grew up in Vienna, on a farm, and while the town has grown and changed quite a bit since those days, it still has a small town vibe and strong sense of community.  More

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Over 11 years ago

Vienna, VA is a nice community and town, but it ain't cheap. As we have started looking for places to retire, I have found out that the property taxes we pay here are  More

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Over 13 years ago

Schools are very good. Our local school (Colvin Run),teaches to a high standard, offers lots of "specials" and has a strong character education program. My kids love  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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