2026 Compare Cities Climate:
San Marcos, TX vs St. Charles, IL

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Highlights
- St. Charles has 7.1% more rainy days than San Marcos.
- St. Charles has 18.5% less Sunny Days than San Marcos.
- On the BestPlaces comfort index, St. Charles scores 4.2% worse than San Marcos
 San Marcos, TXSt. Charles, ILUnited States
 Rainfall  Unlock3838
 Snowfall0  Unlock28
 Precipitation  Unlock120106
 Sunny232  Unlock205
 Avg. July High  Unlock8586
 Avg. Jan. Low39  Unlock22
 Comfort Index (higher=better)  Unlock6.97
 UV Index6  Unlock4.3
 Elevation  Unlock7322443
Reviews for San Marcos    6 Reviews

An area with so much potential and existing natural beauty.Sadly bad urban planning is clearly obvious.Looks like fun for tens of thousands of students.However for the  More

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Over 17 years ago

San Marcos has the most beautiful people and places that I have ever seen throughout my travels. I love this city so much that I decided to settle down here and start a  More

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Over 18 years ago

I spent several summers and a couple winters in San Marcos during my formidable years and really have to tell those interested about what a nice town it is. The best  More

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Reviews for St. Charles    6 Reviews

Over 14 years ago

good  More

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Moving to Saint Charles from Kansas City was quite to sticker shock from a cost of living standpoint. I did do my homework and knew this would be the case, but it  More

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Over 17 years ago

St. Charles, Illinois is a small, trendy river town. It hosts amenities that appeal to everyone. Biking, running, walking, hiking, camping, horseback riding, kayaking,  More

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