2025 Compare Cities Climate:
Boulder, CO vs St. Charles, MO

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Highlights
- St. Charles has 133.1% more rainy days than Boulder.
- St. Charles has 17.6% less Sunny Days than Boulder.
- On the BestPlaces comfort index, St. Charles scores 1.4% better than Boulder
 Boulder, COSt. Charles, MOUnited States
 Rainfall  Unlock4238
 Snowfall71  Unlock28
 Precipitation  Unlock106106
 Sunny245  Unlock205
 Avg. July High  Unlock8886
 Avg. Jan. Low19  Unlock22
 Comfort Index (higher=better)  Unlock7.27
 UV Index5.8  Unlock4.3
 Elevation  Unlock4922443
Reviews for Boulder    55 Reviews

Outside of the university, Boulder had a very distinctive "wealthy hippy" feel. A lot of alternative medicine and a matching ethos. This is changing some among my  More

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We moved here from Texas about 4 years ago and love it here! The amazing sense of community and high regard for the environment are two of the main reasons we love  More

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Over 5 years ago

Most people do much worse than Boulder. I'm the most critical person I've ever met who is never happy or satisfied -- so that's a pretty huge compliment.   More

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Reviews for St. Charles    10 Reviews

Over 7 years ago

I grew up here and I loved everything about the county. There are thousands of little trails all over the place, so when I was a child we would always go running around  More

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Over 10 years ago

It is way too hot & humid here in the summer. Winters are great, except for a lack of  More

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Good growth, decent economics, below average politics. School system above  More

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