Frost dates in Humboldt County, Iowa
The average last spring frost in Humboldt County falls Apr 26 to Apr 30 and the average first fall frost Oct 6 to Oct 12, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a. Places: Bradgate, Dakota City, Hardy, Humboldt, Livermore, Ottosen. 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 |
|---|---|---|---|---|
| 50519 | St. Joseph | Apr 30 | Oct 6 | 5a |
| 50520 | Bradgate | Apr 27 | Oct 9 | 5a |
| 50529 | Dakota City | Apr 26 | Oct 12 | 5a |
| 50545 | Hardy | Apr 26 | Oct 12 | 5a |
| 50548 | Humboldt | Apr 27 | Oct 9 | 5a |
| 50558 | Livermore | Apr 26 | Oct 12 | 5a |
| 50570 | Ottosen | Apr 30 | Oct 6 | 5a |
| 50577 | Renwick | Apr 26 | Oct 12 | 5a |
| 50582 | Rutland | Apr 27 | Oct 9 | 5a |
| 50591 | Thor | Apr 26 | Oct 12 | 5a |
Nearby counties
Pocahontas County Wright County Webster County Kossuth County Hancock County Palo Alto County
All Iowa counties · Download Iowa frost dates (CSV)
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