Average Last Frost Dates for Iowa

About Last Frost Dates in Iowa

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

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Interactive Map of Average Last Frost Dates for Iowa

Click on the map for more information. Click on the icon in the lower right to view the map legend. Add additional data layers using the icon in the upper right corner.

List of Average Last Frost Dates for Locations in Iowa

LocationAverage Last Frost Dates
AltoonaMay 1 - 10
AmesMay 1 - 10
AnkenyApril 21 - 30
BettendorfApril 21 - 30
BurlingtonApril 21 - 30
Cedar FallsMay 11 - 20
Cedar RapidsMay 1 - 10
ClintonApril 21 - 30
CliveApril 21 - 30
CoralvilleApril 21 - 30
Council BluffsMay 1 - 10
DavenportApril 21 - 30
Des MoinesApril 21 - 30
DubuqueApril 21 - 30
Fort DodgeMay 1 - 10
GrimesApril 21 - 30
IndianolaMay 1 - 10
Iowa CityApril 21 - 30
JohnstonApril 21 - 30
MarionMay 1 - 10
MarshalltownMay 1 - 10
Mason CityMay 11 - 20
MuscatineApril 21 - 30
NewtonApril 21 - 30
North LibertyMay 1 - 10
OttumwaApril 21 - 30
Sioux CityMay 1 - 10
UrbandaleApril 21 - 30
WaterlooMay 11 - 20
WaukeeMay 1 - 10
West Des MoinesApril 21 - 30

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