2025 Compare Cities Climate:
St. Charles, MO vs Arnold, MO

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Highlights
- Arnold has 4.0% more rainy days than St. Charles.
- Arnold has 0.5% more Sunny Days than St. Charles.
- On the BestPlaces comfort index, Arnold scores 1.4% better than St. Charles
 St. Charles, MOArnold, MOUnited States
 Rainfall  Unlock4438
 Snowfall14  Unlock28
 Precipitation  Unlock97106
 Sunny202  Unlock205
 Avg. July High  Unlock8886
 Avg. Jan. Low21  Unlock22
 Comfort Index (higher=better)  Unlock7.37
 UV Index4.4  Unlock4.3
 Elevation  Unlock6002443
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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Reviews for Arnold    1 Reviews

Over 16 years ago

My husband's family lives in the area (Crestwood, Barnhart, Fenton, Ballwin), we have been visiting for about 20 years. We moved from a southern state which had it  More

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