Frost dates in Bremer County, Iowa
The average last spring frost in Bremer County falls Apr 27 to Apr 29 and the average first fall frost Oct 9 to Oct 10, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a. Places: Denver, Frederika, Janesville, Plainfield, Readlyn, Sumner. 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 |
|---|---|---|---|---|
| 50622 | Denver | Apr 27 | Oct 10 | 5a |
| 50631 | Frederika | Apr 29 | Oct 9 | 5a |
| 50647 | Janesville | Apr 27 | Oct 10 | 5a |
| 50666 | Plainfield | Apr 29 | Oct 9 | 5a |
| 50668 | Readlyn | Apr 29 | Oct 9 | 5a |
| 50674 | Sumner | Apr 29 | Oct 9 | 5a |
| 50676 | Tripoli | Apr 29 | Oct 9 | 5a |
| 50677 | Waverly | Apr 29 | Oct 9 | 5a |
Nearby counties
Chickasaw County Black Hawk County Butler County Fayette County Buchanan County Floyd County
All Iowa counties · Download Iowa frost dates (CSV)
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