Frost dates in Linn County, Iowa

Rolling grassy ridges of the Loess Hills, Iowa — Photo: Chris Light, CC BY-SA 4.0, via Wikimedia Commons

The average last spring frost in Linn County falls Apr 27 to May 3 and the average first fall frost Oct 3 to Oct 12, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a to 5b. Places: Alburnett, Cedar Rapids, Center Point, Central City, Coggon, Ely. Pick a ZIP for 10% and 90% odds, soil temperature and the 7-day freeze forecast.

ZIP	Place	Last spring frost	First fall frost	Zone
52202	Alburnett	Apr 28	Oct 12	5a
52213	Center Point	May 3	Oct 3	5a
52214	Central City	May 3	Oct 7	5a
52218	Coggon	May 3	Oct 7	5a
52219	Prairieburg	May 3	Oct 7	5a
52227	Ely	Apr 27	Oct 11	5a
52228	Fairfax	Apr 27	Oct 11	5a
52233	Hiawatha	Apr 28	Oct 12	5a
52302	Marion	Apr 28	Oct 12	5a
52314	Mount Vernon	Apr 28	Oct 12	5a
52324	Palo	Apr 28	Oct 12	5a
52328	Robins	Apr 28	Oct 12	5a
52336	Springville	Apr 28	Oct 12	5a
52341		Apr 28	Oct 12	5a
52344		May 3	Oct 7	5a
52352	Walker	May 3	Oct 7	5a
52401	Cedar Rapids	Apr 28	Oct 12	5b
52402	Cedar Rapids	Apr 28	Oct 12	5b
52403	Cedar Rapids	Apr 28	Oct 12	5b
52404	Cedar Rapids	Apr 27	Oct 11	5a
52405	Cedar Rapids	Apr 27	Oct 11	5a
52411	Cedar Rapids	Apr 28	Oct 12	5a

Nearby counties

Benton County Jones County Johnson County Buchanan County Delaware County Cedar County

All Iowa counties · Download Iowa frost dates (CSV)

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