Frost dates in Clayton County, Iowa
The average last spring frost in Clayton County falls Apr 21 to May 8 and the average first fall frost Oct 1 to Oct 18, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 4b to 5a. Places: Colesburg, Edgewood, Elkader, Elkport, Farmersburg, Garber. 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 |
|---|---|---|---|---|
| 52035 | Colesburg | Apr 21 | Oct 18 | 5a |
| 52042 | Edgewood | May 8 | Oct 1 | 4b |
| 52043 | Elkader | May 8 | Oct 1 | 4b |
| 52044 | Elkport | May 8 | Oct 1 | 4b |
| 52047 | Farmersburg | Apr 28 | Oct 12 | 5a |
| 52048 | Garber | Apr 21 | Oct 18 | 5a |
| 52049 | Garnavillo | Apr 21 | Oct 18 | 5a |
| 52052 | Guttenberg | Apr 21 | Oct 18 | 5a |
| 52066 | North Buena Vista | Apr 21 | Oct 18 | 5a |
| 52072 | St. Olaf | May 8 | Oct 1 | 5a |
| 52076 | Strawberry Point | May 8 | Oct 1 | 4b |
| 52077 | Volga | May 8 | Oct 1 | 4b |
| 52156 | Luana | May 1 | Oct 3 | 5a |
| 52157 | McGregor | Apr 28 | Oct 12 | 5a |
| 52158 | Marquette | Apr 28 | Oct 12 | 5a |
Nearby counties
Delaware County Fayette County Allamakee County Dubuque County Buchanan County Winneshiek County
All Iowa counties · Download Iowa frost dates (CSV)
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