Sullivan weather averages

  
Annual high temperature62ºF
Annual low temperature42ºF
Average annual precip.39.77 inch
Av. annual snowfall13 inch

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Station Data

Monthly averages Sullivan
Longitude: -88.6078, Latitude: 39.5995
Average weather Sullivan, IL - 61951

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, ...