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ILLINOIS


ILLINOIS - WEATHER AVERAGES

ANNUAL JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC YEARS # CITIES 
Average Temperature (F)52.226.13040.552.362.571.875.573.966.354.742.230.267248
Average High Temperature (F)61.334.639.350.963.874.182.986.584.877.96651.238.765260
Average Low Temperature (F)41.817.521.130.741.251.360.764.662.754.34332.72265260
Average Precipitation (in)38.82.1233.84.34.13.93.63.333.12.560355
* Years is the average number of years used to compute the average. # Cities is the total number of locations used to compute the average.








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