2025 Compare Cities Climate:
Naperville, IL vs Sunnyvale, CA

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Highlights
- Sunnyvale has 60.1% less rainy days than Naperville.
- Sunnyvale has 37.6% more Sunny Days than Naperville.
- On the BestPlaces comfort index, Sunnyvale scores 27.5% better than Naperville
 Naperville, ILSunnyvale, CAUnited States
 Rainfall  Unlock1538
 Snowfall29  Unlock28
 Precipitation  Unlock63106
 Sunny189  Unlock205
 Avg. July High  Unlock8086
 Avg. Jan. Low15  Unlock22
 Comfort Index (higher=better)  Unlock8.87
 UV Index3.4  Unlock4.3
 Elevation  Unlock1252443
Reviews for Naperville    26 Reviews

Naperville has a lot to offer. The schools are top notch, it is close to Chicago with a commuter rail that is easily accessible and fast, there are lots of parks and  More

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Over 3 years ago

Lived around the area my whole life, moved to the downtown Naperville 7 years ago and wow has it changed and not for the better. There is way too much traffic and no  More

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Over 7 years ago

Went with my real estate agent to check out a few houses in Naperville.First impression was the town was adorable especially the downtown but way too many people.couldnt  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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