2025 Compare Cities Climate:
Folsom, CA vs Sunnyvale, CA

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Highlights
- Sunnyvale has 26.0% less rainy days than Folsom.
- Sunnyvale has 2.6% less Sunny Days than Folsom.
- On the BestPlaces comfort index, Sunnyvale scores 6.0% better than Folsom
 Folsom, CASunnyvale, CAUnited States
 Rainfall  Unlock1538
 Snowfall0  Unlock28
 Precipitation  Unlock63106
 Sunny267  Unlock205
 Avg. July High  Unlock8086
 Avg. Jan. Low39  Unlock22
 Comfort Index (higher=better)  Unlock8.87
 UV Index5.2  Unlock4.3
 Elevation  Unlock1252443
Reviews for Folsom    15 Reviews

Over 10 years ago

Folsom has the worst air quality of any city in the Sacramento region per Sac Metro Air Quality Management. Do not move there if u have any respiratory issues, or u like  More

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Over 12 years ago

Folsom is a great little town of about 70,000 people. A half hour from Sacramento, an hour and a half from Tahoe, it sits in a good location at about 320 feet altitude.  More

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I think Folsom is ideal in many ways but it shares Sacramento's lousy air quality (1.5 out of 100 per this site). Sometimes it's worse than Sacramento when a smog  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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