Frost dates in Hancock County, Maine
The average last spring frost in Hancock County falls Apr 27 to May 8 and the average first fall frost Oct 4 to Oct 22, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 5a to 6b. Places: Bar Harbor, Blue Hill, Bucksport, Castine, Ellsworth, Northeast Harbor. 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 |
|---|---|---|---|---|
| 04408 | May 1 | Oct 6 | 5a | |
| 04416 | Bucksport | May 4 | Oct 4 | 5a |
| 04421 | Castine | May 7 | Oct 5 | 5b |
| 04429 | May 4 | Oct 4 | 5a | |
| 04431 | May 8 | Oct 9 | 5b | |
| 04472 | May 8 | Oct 9 | 5b | |
| 04476 | May 7 | Oct 5 | 5b | |
| 04605 | Ellsworth | May 8 | Oct 9 | 5b |
| 04607 | Apr 27 | Oct 22 | 6a | |
| 04609 | Bar Harbor | Apr 27 | Oct 22 | 6a |
| 04612 | Apr 27 | Oct 22 | 6a | |
| 04613 | Apr 27 | Oct 22 | 6a | |
| 04614 | Blue Hill | May 8 | Oct 9 | 5b |
| 04616 | Apr 27 | Oct 22 | 6a | |
| 04617 | May 7 | Oct 5 | 5b | |
| 04624 | Apr 27 | Oct 22 | 6a | |
| 04625 | Apr 27 | Oct 22 | 6b | |
| 04627 | May 7 | Oct 5 | 6a | |
| 04634 | Apr 27 | Oct 22 | 5b | |
| 04635 | Apr 27 | Oct 22 | 6b | |
| 04640 | Apr 27 | Oct 22 | 5b | |
| 04642 | May 7 | Oct 5 | 6a | |
| 04646 | Apr 27 | Oct 22 | 6b | |
| 04650 | May 7 | Oct 5 | 6a | |
| 04653 | Apr 27 | Oct 22 | 6a | |
| 04660 | Apr 27 | Oct 22 | 6a | |
| 04662 | Northeast Harbor | Apr 27 | Oct 22 | 6a |
| 04664 | Apr 27 | Oct 22 | 5b | |
| 04669 | Apr 27 | Oct 22 | 6a | |
| 04673 | May 7 | Oct 5 | 6a | |
| 04674 | Apr 27 | Oct 22 | 6a | |
| 04675 | Apr 27 | Oct 22 | 6a | |
| 04676 | May 7 | Oct 5 | 5b | |
| 04677 | Apr 27 | Oct 22 | 6a | |
| 04679 | Southwest Harbor | Apr 27 | Oct 22 | 6a |
| 04681 | May 7 | Oct 5 | 6a | |
| 04683 | May 7 | Oct 5 | 6a | |
| 04684 | May 8 | Oct 9 | 5b | |
| 04685 | Apr 27 | Oct 22 | 6b | |
| 04693 | Winter Harbor | Apr 27 | Oct 22 | 6a |
Nearby counties
Waldo County Knox County Penobscot County Washington County Lincoln County Kennebec County
All Maine counties · Download Maine frost dates (CSV)
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