Frost dates in Allamakee County, Iowa
The average last spring frost in Allamakee County falls Apr 22 to May 2 and the average first fall frost Oct 3 to Oct 17, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a. Places: Harpers Ferry, Lansing, Monona, New Albin, Postville, Waterville. 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 |
|---|---|---|---|---|
| 52140 | May 2 | Oct 11 | 5a | |
| 52146 | Harpers Ferry | Apr 24 | Oct 17 | 5a |
| 52151 | Lansing | May 2 | Oct 11 | 5a |
| 52159 | Monona | May 1 | Oct 3 | 5a |
| 52160 | New Albin | Apr 22 | Oct 17 | 5a |
| 52162 | Postville | May 1 | Oct 3 | 5a |
| 52170 | Waterville | May 2 | Oct 11 | 5a |
| 52172 | Waukon | May 2 | Oct 11 | 5a |
Nearby counties
Winneshiek County Clayton County Fayette County Howard County Chickasaw County Delaware County
All Iowa counties · Download Iowa frost dates (CSV)
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