Average Frost Days for Iowa

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Frost Days were calculated using daily climate data from the period between 1991-2020.

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List of Average Frost Days for Locations in Iowa

LocationAverage Frost Days
Altoona125-150 Days
Ames125-150 Days
Ankeny125-150 Days
Bettendorf100-125 Days
Burlington100-125 Days
Cedar Falls150-180 Days
Cedar Rapids125-150 Days
Clinton125-150 Days
Clive125-150 Days
Coralville125-150 Days
Council Bluffs125-150 Days
Davenport100-125 Days
Des Moines125-150 Days
Dubuque125-150 Days
Fort Dodge125-150 Days
Grimes125-150 Days
Indianola125-150 Days
Iowa City125-150 Days
Johnston125-150 Days
Marion125-150 Days
Marshalltown150-180 Days
Mason City150-180 Days
Muscatine125-150 Days
Newton125-150 Days
North Liberty125-150 Days
Ottumwa125-150 Days
Sioux City150-180 Days
Urbandale125-150 Days
Waterloo150-180 Days
Waukee125-150 Days
West Des Moines125-150 Days

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