Frost dates in Dubuque County, Iowa
The average last spring frost in Dubuque County falls Apr 19 to Apr 28 and the average first fall frost Oct 10 to Oct 21, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a. Places: Bernard, Dubuque, Epworth, Farley, Holy Cross, Luxemburg. 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 |
|---|---|---|---|---|
| 52001 | Dubuque | Apr 19 | Oct 21 | 5a |
| 52002 | Dubuque | Apr 19 | Oct 21 | 5a |
| 52003 | Dubuque | Apr 28 | Oct 11 | 5a |
| 52032 | Bernard | Apr 28 | Oct 10 | 5a |
| 52039 | Rickardsville | Apr 19 | Oct 21 | 5a |
| 52045 | Epworth | Apr 28 | Oct 10 | 5a |
| 52046 | Farley | Apr 28 | Oct 10 | 5a |
| 52053 | Holy Cross | Apr 21 | Oct 18 | 5a |
| 52056 | Luxemburg | Apr 21 | Oct 18 | 5a |
| 52065 | New Vienna | Apr 21 | Oct 18 | 5a |
| 52068 | Peosta | Apr 28 | Oct 11 | 5a |
| 52073 | Sherrill | Apr 19 | Oct 21 | 5a |
| 52078 | Worthington | Apr 28 | Oct 10 | 5a |
Nearby counties
Delaware County Jackson County Jones County Clayton County Clinton County Buchanan County
All Iowa counties · Download Iowa frost dates (CSV)
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