Frost dates in Hardin County, Iowa
The average last spring frost in Hardin County falls Apr 24 to Apr 28 and the average first fall frost Oct 10 to Oct 12, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a. Places: Alden, Eldora, Garden City, Hubbard, Iowa Falls, New Providence. 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 |
|---|---|---|---|---|
| 50006 | Alden | Apr 28 | Oct 10 | 5a |
| 50102 | Garden City | Apr 24 | Oct 12 | 5a |
| 50122 | Hubbard | Apr 27 | Oct 10 | 5a |
| 50126 | Iowa Falls | Apr 28 | Oct 10 | 5a |
| 50206 | New Providence | Apr 27 | Oct 10 | 5a |
| 50230 | Radcliffe | Apr 28 | Oct 10 | 5a |
| 50258 | Union | Apr 27 | Oct 10 | 5a |
| 50269 | Whitten | Apr 27 | Oct 10 | 5a |
| 50627 | Eldora | Apr 27 | Oct 10 | 5a |
| 50672 | Steamboat Rock | Apr 27 | Oct 10 | 5a |
Nearby counties
Grundy County Hamilton County Marshall County Story County Franklin County Butler County
All Iowa counties · Download Iowa frost dates (CSV)
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