St. Charles Missouri
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Spring
13 - 24 ºC
Summer
17 - 29 ºC
Fall
2 - 13 ºC
Winter
-3 - 8 ºC
January
-6 - 4 ºC
February
-4 - 7 ºC
March
1 - 13 ºC
April
7 - 19 ºC
May
13 - 24 ºC
June
18 - 29 ºC
July
20 - 31 ºC