2026 Compare Cities Climate:
Decatur, IL vs Lake St. Louis, MO

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Highlights
- Lake St. Louis has 7.6% more rainy days than Decatur.
- Lake St. Louis has 0.0% more Sunny Days than Decatur.
- On the BestPlaces comfort index, Lake St. Louis scores 0.0% worse than Decatur
 Decatur, ILLake St. Louis, MOUnited States
 Rainfall  Unlock4338
 Snowfall13  Unlock28
 Precipitation  Unlock110106
 Sunny199  Unlock205
 Avg. July High  Unlock8886
 Avg. Jan. Low19  Unlock22
 Comfort Index (higher=better)  Unlock7.27
 UV Index3.9  Unlock4.3
 Elevation  Unlock5642443
Reviews for Decatur    14 Reviews

I was sent here by the company I worked for in the '90's and was not initially impressed with midwest living. However, over the years I got used to living in the "Pride  More

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I grew up in Decatur and I still have family there, but it depresses me to see what it has become. It has a high unemployment rate, many business have closed or are run  More

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Over 15 years ago

If you enjoy drinking & driving, Decatur's fifteen drive-thru liquor windows, three times the # of drive-thru's than the ten largest cities in Illinois, COMBINED, will  More

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Reviews for Lake St. Louis    0 Reviews

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