Decatur weather averages

  
Annual high temperature64ºF
Annual low temperature43ºF
Average annual precip.40.32 inch
Av. annual snowfall16 inch

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Station Data

Monthly averages Decatur
Longitude: -88.9548, Latitude: 39.8403
Average weather Decatur, IL - 62521

Monthly: 1981-2010 normals
History: 2008-2019

Abbreviations

Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...
Jan: January, Feb: February, ...Ja: January, Fe: February, ...