December Rainfall and Precipitation in Illinois
Average rainfall, rainy days and the driest cities in Illinois, the United States of America in December.
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Best Places to Visit in Illinois in December
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Monthly precipitation
0 mm (0 in) dry → 150 mm (5.9 in) wet
Marker color shows total monthly precipitation in December: pale blue is dry, deep blue is wet.
Illinois precipitation in December: frequently asked questions
How much snow/rainfall does Illinois, the United States of America receive in December?
Chicago stays mostly dry in December, with average snow/rainfall close to 81 mm (3.2 in).
How many days does it rain in Illinois, the United States of America in December?
Rainfall in Chicago typically falls on roughly 13 days days in December.
Is December part of the rainy season in Illinois, the United States of America?
December is generally a drier month for Illinois, the United States of America, falling outside the main rainy season.
What is the wettest city in December in Illinois, the United States of America?
Based on our records, Metropolis receives the most snow/rainfall in Illinois, the United States of America in December, averaging about 143 mm (5.6 in).
What is the driest city in December in Illinois, the United States of America?
Quincy is the driest city we have data for in Illinois, the United States of America in December, with monthly snow/rainfall close to 59 mm (2.3 in).
Interested in more climate information?
We have much more information about the climate in Illinois.
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