Decatur climate guide, Illinois

Welcome to the Decatur climate guide, which shows average weather for Decatur, Illinois, United States. Check maximum temperature, the number of days with rainfall and daily hours of sunshine for each month of the year.

Decatur climate guide: quick links

Maximum temperature (°C) in Decatur

1
4
11
18
24
29
31
30
26
20
11
3
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Days with some rain in Decatur

10
9
12
12
11
9
9
9
9
8
10
11
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Hours of sunshine in Decatur

5
5
6
8
9
10
10
9
8
7
4
4
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Decatur, Illinois map © Weather2Travel.com
Decatur, Illinois map © Weather2Travel.com
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The Decatur climate guide is provided by Weather2Travel.com. For more information about the weather in Decatur, Illinois, United States including monthly rainfall, mininum temperature, UV maximum, heat & humidity and daylight hours visit the Decatur climate guide page.

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