Average Snowfall for Iowa in December

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The tables below give monthly averages for snowfall during December at cities, towns and lakes in Iowa. The numbers are for the total amount of new snow and how many days it snows at least 0.1 inches (0.25 centimetres) this month.

The snowfall totals are averages based on weather data collected from 1981 to 2010 for the NOAA National Climatic Data Center.

You can jump to a separate table for each region of the state: Eastern, Central and Western Iowa.

Eastern Iowa

Average total snowfall in December
Days Place Inches Centimetres
4.5 Burlington   7.5 19.1
6.7 Cedar Rapids   8.7 22.1
6.6 Clinton   9.1 23.1
6.6 Cresco 11.0 27.9
6.5 Decorah 11.4 29.0
5.2 Dubuque   9.7 24.6
4.5 Iowa City   8.6 21.8
6.9 Waterloo   9.3 23.6

Central Iowa

December snowfall averages
Days Place Inches Centimetres
4.1 Ames   8.0 20.3
6.5 Des Moines   8.7 22.1
4.9 Fort Dodge   8.4 21.3
4.2 Marshalltown   8.3 21.1
7.2 Mason City   9.3 23.6
3.8 Ottumwa   5.6 14.2

Western Iowa

Average snow for December
Days Place Inches Centimetres
4.4 Carroll   6.2 15.7
4.5 Lake Park   9.8 24.9
3.6 Onawa   7.7 19.6
2.6 Shenandoah   6.4 16.3
5.7 Sioux City   7.8 19.8
4.0 Storm Lake   8.8 22.4
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

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