2025 Compare Cities Climate:
San Marcos, TX vs Olney, IL

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Highlights
- Olney has 27.8% more rainy days than San Marcos.
- Olney has 12.9% less Sunny Days than San Marcos.
- On the BestPlaces comfort index, Olney scores 1.4% worse than San Marcos
 San Marcos, TXOlney, ILUnited States
 Rainfall  Unlock4538
 Snowfall0  Unlock28
 Precipitation  Unlock109106
 Sunny232  Unlock205
 Avg. July High  Unlock8786
 Avg. Jan. Low39  Unlock22
 Comfort Index (higher=better)  Unlock7.17
 UV Index6  Unlock4.3
 Elevation  Unlock4792443
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 16 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 17 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 Olney    2 Reviews

Olney is a small slowly awakening sleepy town in Southern Illinois. It is still small hometown USA with a little more opportunity than Mayberry. We have new businesses,  More

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Over 13 years ago

Perfect place to live if you want a quiet place with friendly people and white squirrels. The white squirrels are Olney's claim to  More

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