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)
Never miss a frost: get The Dial
Weekly yard timing, plus frost and soil-temperature alerts for your ZIP code.
- Freeze alerts
- Soil-temp heads-up
- Weekly yard to-dos
Free. One weekly email plus alerts when your ZIP has a frost or a soil-temperature change worth acting on. After you submit, Kit (our email provider) sends a confirmation email: check your email and click the link to confirm. You aren't subscribed until you do. We collect only your email address and ZIP, sent to Kit to deliver The Dial. Unsubscribe anytime.