Frost dates in Buchanan County, Iowa
The average last spring frost in Buchanan County falls Apr 30 to May 4 and the average first fall frost Oct 1 to Oct 9, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a. Places: Aurora, Brandon, Fairbank, Hazleton, Independence, Lamont. 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 |
|---|---|---|---|---|
| 50607 | Aurora | May 4 | Oct 1 | 5a |
| 50629 | Fairbank | Apr 30 | Oct 9 | 5a |
| 50641 | Hazleton | Apr 30 | Oct 9 | 5a |
| 50644 | Independence | Apr 30 | Oct 7 | 5a |
| 50650 | Lamont | May 4 | Oct 1 | 5a |
| 50654 | Masonville | May 3 | Oct 4 | 5a |
| 50682 | Winthrop | Apr 30 | Oct 7 | 5a |
| 52210 | Brandon | May 3 | Oct 3 | 5a |
| 52326 | Quasqueton | Apr 30 | Oct 7 | 5a |
| 52329 | Rowley | Apr 30 | Oct 7 | 5a |
Nearby counties
Black Hawk County Delaware County Fayette County Linn County Bremer County Benton County
All Iowa counties · Download Iowa frost dates (CSV)
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