2026 Compare Cities :
Sun Prairie, WI vs St. Charles, IL

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 Sun Prairie, WISt. Charles, ILUnited States
 Rainfall  Unlock37.738.1
 Snowfall43  Unlock27.8
 Precipitation Days112.9119.6106.2
 Sunny187  Unlock205
 Avg. July High  Unlock84.585.8
 Avg. Jan. Low8.5  Unlock21.7
 Comfort Index (higher=better)  Unlock6.97
 UV Index3.3  Unlock4.3
 Elevation ft.9557322443
Reviews for Sun Prairie    4 Reviews

Over 7 years ago

I love it here, the weather is absolutely fantastic if you like freezing your toes off.  More

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Typically cold winters, lots of snow. Summers are typically pleasant, but can be high humidity. Poor Air Quality year round. Mild spring and fall Summer can have  More

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Over 15 years ago

Crime is very low, I seldom feel like I have to lock my car or even my house. The schools here are pretty good, and have no tolerance for bullies (so if you have any,  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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