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
Days with some rain in Decatur
Hours of sunshine in Decatur
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.