Average First Frost Dates for Iowa

About First Frost Dates in Iowa

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

Map List Related Pages

Interactive Map of Average First 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 First Frost Dates for Locations in Iowa

LocationAverage First Frost Dates
AltoonaOctober 11 - 20
AmesOctober 11 - 20
AnkenyOctober 11 - 20
BettendorfOctober 21 - 31
BurlingtonOctober 11 - 20
Cedar FallsOctober 1 - 10
Cedar RapidsOctober 1 - 10
ClintonOctober 11 - 20
CliveOctober 11 - 20
CoralvilleOctober 11 - 20
Council BluffsOctober 11 - 20
DavenportOctober 21 - 31
Des MoinesOctober 11 - 20
DubuqueOctober 21 - 31
Fort DodgeOctober 1 - 10
GrimesOctober 11 - 20
IndianolaOctober 11 - 20
Iowa CityOctober 11 - 20
JohnstonOctober 11 - 20
MarionOctober 1 - 10
MarshalltownOctober 1 - 10
Mason CityOctober 1 - 10
MuscatineOctober 11 - 20
NewtonOctober 11 - 20
North LibertyOctober 11 - 20
OttumwaOctober 11 - 20
Sioux CityOctober 1 - 10
UrbandaleOctober 11 - 20
WaterlooOctober 1 - 10
WaukeeOctober 11 - 20
West Des MoinesOctober 11 - 20

Maps for Neighboring Areas

2025 plantmaps.com