2025 Compare Cities Climate:
Sunnyvale, CA vs Allen, TX

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Highlights
- Allen has 167.5% more rainy days than Sunnyvale.
- Allen has 10.8% less Sunny Days than Sunnyvale.
- On the BestPlaces comfort index, Allen scores 18.2% worse than Sunnyvale
 Sunnyvale, CAAllen, TXUnited States
 Rainfall  Unlock4138
 Snowfall0  Unlock28
 Precipitation  Unlock83106
 Sunny260  Unlock205
 Avg. July High  Unlock9386
 Avg. Jan. Low42  Unlock22
 Comfort Index (higher=better)  Unlock7.27
 UV Index5.1  Unlock4.3
 Elevation  Unlock6592443
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 Allen    14 Reviews

Over 8 years ago

Originally from Dallas, we moved to Allen 2013. We love the schools, my kids are getting a great education. My daughter was tested in the gifted program as soon as we  More

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Over 8 years ago

Allen is quite possibly the best city I've ever had the privilege of visiting. Everyone you meet is courteous, helpful, and respectable. The town fully supports one  More

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Over 9 years ago

We are planning a move to Allen, Texas and would like to know how many months out of the year are warm enough to swim? Getting ready to make an offer on a home and  More

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