Frost dates in Grand Isle County, Vermont
The average last spring frost in Grand Isle County falls Apr 28 to May 1 and the average first fall frost Oct 12 to Oct 20, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a to 5b. Places: Alburgh, South Hero. 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 |
|---|---|---|---|---|
| 05440 | Alburgh | Apr 30 | Oct 12 | 5a |
| 05458 | Apr 28 | Oct 20 | 5a | |
| 05463 | Apr 30 | Oct 12 | 5a | |
| 05474 | May 1 | Oct 12 | 5a | |
| 05486 | South Hero | Apr 28 | Oct 20 | 5b |
Nearby counties
Franklin County Chittenden County Lamoille County Washington County Orleans County Addison County
All Vermont counties · Download Vermont frost dates (CSV)
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