2026 Compare Cities Climate:
Folsom, CA vs Downers Grove, IL

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Highlights
- Downers Grove has 86.1% more rainy days than Folsom.
- Downers Grove has 28.1% less Sunny Days than Folsom.
- On the BestPlaces comfort index, Downers Grove scores 16.9% worse than Folsom
 Folsom, CADowners Grove, ILUnited States
 Rainfall  Unlock3938
 Snowfall0  Unlock28
 Precipitation  Unlock120106
 Sunny267  Unlock205
 Avg. July High  Unlock8486
 Avg. Jan. Low39  Unlock22
 Comfort Index (higher=better)  Unlock6.97
 UV Index5.2  Unlock4.3
 Elevation  Unlock7412443
Reviews for Folsom    15 Reviews

Over 11 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 13 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 Downers Grove    5 Reviews

Hi I have been living in Downers Grove since 1988. I used to work in Bank and couple other had been served couple other firms in managerial level. I found the best Tax  More

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Over 14 years ago

Quiet fmily neighborhoods with good  More

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Over 19 years ago

One of the safest places to live in the  More

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