Frost dates in Floyd County, Iowa
The average last spring frost in Floyd County falls Apr 29 to Apr 30 and the average first fall frost Oct 6 to Oct 9, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a. Places: Charles City, Colwell, Floyd, Marble Rock, Nora Springs, Roseville. 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 |
|---|---|---|---|---|
| 50435 | Floyd | Apr 30 | Oct 6 | 5a |
| 50458 | Nora Springs | Apr 29 | Oct 7 | 5a |
| 50468 | Roseville | Apr 30 | Oct 6 | 5a |
| 50471 | Rudd | Apr 30 | Oct 9 | 5a |
| 50616 | Charles City | Apr 30 | Oct 6 | 5a |
| 50620 | Colwell | Apr 30 | Oct 6 | 5a |
| 50653 | Marble Rock | Apr 30 | Oct 6 | 5a |
Nearby counties
Mitchell County Cerro Gordo County Chickasaw County Butler County Worth County Howard 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.