Frost dates in Jones County, Iowa
The average last spring frost in Jones County falls Apr 27 to May 1 and the average first fall frost Oct 4 to Oct 10, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a. Places: Anamosa, Cascade, Center Junction, Martelle, Monticello, Morley. 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 |
|---|---|---|---|---|
| 52033 | Cascade | Apr 28 | Oct 10 | 5a |
| 52205 | Anamosa | May 1 | Oct 4 | 5a |
| 52212 | Center Junction | May 1 | Oct 4 | 5a |
| 52252 | May 1 | Oct 4 | 5a | |
| 52305 | Martelle | May 1 | Oct 4 | 5a |
| 52310 | Monticello | May 1 | Oct 4 | 5a |
| 52312 | Morley | May 1 | Oct 4 | 5a |
| 52320 | Olin | May 1 | Oct 4 | 5a |
| 52321 | Onslow | Apr 28 | Oct 10 | 5a |
| 52323 | Oxford Junction | Apr 27 | Oct 10 | 5a |
| 52362 | Wyoming | Apr 27 | Oct 10 | 5a |
Nearby counties
Cedar County Linn County Delaware County Dubuque County Jackson County Clinton 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.
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.