Frost dates in Olmsted County, Minnesota

The average last spring frost in Olmsted County falls Apr 30 to May 12 and the average first fall frost Sep 28 to Oct 6, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 4b. Places: Byron, Dover, Elgin, Eyota, Oronoco, Rochester. 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 |
|---|---|---|---|---|
| 55901 | Rochester | May 12 | Sep 28 | 4b |
| 55902 | Rochester | Apr 30 | Oct 6 | 4b |
| 55903 | Rochester | Apr 30 | Oct 6 | 4b |
| 55904 | Rochester | Apr 30 | Oct 6 | 4b |
| 55905 | Rochester | May 12 | Sep 28 | 4b |
| 55906 | Rochester | May 12 | Sep 28 | 4b |
| 55920 | Byron | May 12 | Sep 28 | 4b |
| 55929 | Dover | Apr 30 | Oct 6 | 4b |
| 55932 | Elgin | May 7 | Oct 2 | 4b |
| 55934 | Eyota | Apr 30 | Oct 6 | 4b |
| 55960 | Oronoco | May 12 | Sep 28 | 4b |
| 55976 | Stewartville | Apr 30 | Oct 6 | 4b |
Nearby counties
Dodge County Wabasha County Mower County Goodhue County Winona County Fillmore County
All Minnesota counties · Download Minnesota frost dates (CSV)
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