2025 Compare Cities Climate:
Sunnyvale, CA vs Allentown, PA

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Highlights
- Allentown has 202.6% more rainy days than Sunnyvale.
- Allentown has 22.7% less Sunny Days than Sunnyvale.
- On the BestPlaces comfort index, Allentown scores 19.3% worse than Sunnyvale
 Sunnyvale, CAAllentown, PAUnited States
 Rainfall  Unlock4738
 Snowfall0  Unlock28
 Precipitation  Unlock122106
 Sunny260  Unlock205
 Avg. July High  Unlock8686
 Avg. Jan. Low42  Unlock22
 Comfort Index (higher=better)  Unlock7.17
 UV Index5.1  Unlock4.3
 Elevation  Unlock3412443
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 Allentown    25 Reviews

Winter in Allentown is alright, mild temperatures, there isn't much snow but there are some nearby ski resorts with artificial snow. In the summer there are some fun  More

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do you like cold and snow? Allentown may not be the coldest place in the country but it gets very cold and the winter feels endless...arctic blast after another and  More

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Over 10 years ago

This is a beautiful place, kept clean by weekly street sweeping. A multitude of parks exist including the exceptional Rose Garden and sports fields, and people use them  More

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