Frost dates in Blue Earth County, Minnesota
The average last spring frost in Blue Earth County falls Apr 30 to May 2 and the average first fall frost Oct 4 to Oct 9, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a. Places: Amboy, Eagle Lake, Garden City, Good Thunder, Lake Crystal, Madison Lake. 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 |
|---|---|---|---|---|
| 56001 | Mankato | Apr 30 | Oct 9 | 5a |
| 56010 | Amboy | Apr 30 | Oct 7 | 5a |
| 56024 | Eagle Lake | Apr 30 | Oct 9 | 5a |
| 56034 | Garden City | Apr 30 | Oct 7 | 5a |
| 56037 | Good Thunder | Apr 30 | Oct 9 | 5a |
| 56055 | Lake Crystal | Apr 30 | Oct 9 | 5a |
| 56063 | Madison Lake | May 2 | Oct 4 | 5a |
| 56065 | Mapleton | Apr 30 | Oct 7 | 5a |
| 56068 | Minnesota Lake | Apr 30 | Oct 6 | 5a |
| 56078 | Pemberton | May 2 | Oct 4 | 5a |
| 56080 | St. Clair | Apr 30 | Oct 9 | 5a |
| 56090 | Vernon Center | Apr 30 | Oct 7 | 5a |
Nearby counties
Waseca County Nicollet County Le Sueur County Faribault County Watonwan County Martin County
All Minnesota counties · Download Minnesota frost dates (CSV)
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