Frost dates in Washington County, Minnesota
The average last spring frost in Washington County falls Apr 22 to May 3 and the average first fall frost Oct 5 to Oct 20, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 4b to 5a. Places: Afton, Bayport, Cottage Grove, Grant, Hugo, Lake Elmo. 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 |
|---|---|---|---|---|
| 55001 | Afton | Apr 23 | Oct 19 | 5a |
| 55003 | Bayport | Apr 22 | Oct 19 | 5a |
| 55016 | Cottage Grove | Apr 23 | Oct 19 | 5a |
| 55038 | Hugo | Apr 23 | Oct 20 | 4b |
| 55042 | Lake Elmo | Apr 30 | Oct 11 | 5a |
| 55043 | Lakeland | Apr 22 | Oct 19 | 5a |
| 55047 | Scandia | May 3 | Oct 5 | 4b |
| 55055 | Newport | Apr 24 | Oct 16 | 5a |
| 55071 | St. Paul Park | Apr 23 | Oct 19 | 5a |
| 55073 | Scandia | May 3 | Oct 5 | 4b |
| 55082 | Grant | Apr 30 | Oct 11 | 4b |
| 55090 | Willernie | Apr 30 | Oct 11 | 5a |
| 55115 | Mahtomedi | Apr 30 | Oct 11 | 5a |
| 55125 | Woodbury | Apr 26 | Oct 12 | 5a |
| 55128 | Oakdale | Apr 26 | Oct 12 | 5a |
| 55129 | Woodbury | Apr 26 | Oct 12 | 5a |
Nearby counties
Ramsey County Dakota County Anoka County Hennepin County Chisago County Scott County
All Minnesota counties · Download Minnesota frost dates (CSV)
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