Frost dates in Washington County, Maine
The average last spring frost in Washington County falls Apr 21 to May 25 and the average first fall frost Sep 24 to Oct 26, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 4b to 6a. Places: Calais, Danforth, Eastport, Jonesport, Lubec, Machias. 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 |
|---|---|---|---|---|
| 04413 | May 25 | Sep 24 | 5a | |
| 04424 | Danforth | May 25 | Sep 24 | 4b |
| 04454 | May 13 | Oct 1 | 5a | |
| 04490 | May 6 | Oct 8 | 5a | |
| 04491 | Vanceboro | May 13 | Oct 1 | 5a |
| 04492 | May 6 | Oct 8 | 5a | |
| 04606 | May 3 | Oct 9 | 6a | |
| 04611 | May 3 | Oct 9 | 6a | |
| 04619 | Calais | May 5 | Oct 13 | 5b |
| 04622 | May 3 | Oct 9 | 5b | |
| 04623 | May 3 | Oct 9 | 5b | |
| 04626 | Apr 29 | Oct 25 | 6a | |
| 04628 | Apr 29 | Oct 25 | 5b | |
| 04630 | May 2 | Oct 15 | 5b | |
| 04631 | Eastport | Apr 29 | Oct 25 | 6a |
| 04643 | May 3 | Oct 9 | 6a | |
| 04648 | May 3 | Oct 9 | 5b | |
| 04649 | Jonesport | May 3 | Oct 9 | 6a |
| 04652 | Lubec | Apr 29 | Oct 25 | 6a |
| 04654 | Machias | May 3 | Oct 9 | 5b |
| 04655 | May 3 | Oct 9 | 6a | |
| 04657 | May 2 | Oct 15 | 5b | |
| 04658 | Milbridge | May 3 | Oct 9 | 6a |
| 04666 | May 5 | Oct 13 | 5b | |
| 04667 | May 5 | Oct 13 | 6a | |
| 04668 | May 4 | Oct 10 | 5b | |
| 04671 | May 5 | Oct 13 | 5b | |
| 04680 | Apr 27 | Oct 22 | 6a | |
| 04686 | May 2 | Oct 15 | 5b | |
| 04691 | Apr 29 | Oct 25 | 5b | |
| 04694 | Woodland | Apr 21 | Oct 26 | 5b |
Nearby counties
Hancock County Penobscot County Waldo County Piscataquis County Knox County Somerset County
All Maine counties · Download Maine frost dates (CSV)
Never miss a frost: get The Dial
Weekly yard timing, plus frost and soil-temperature alerts for your ZIP code.
- Freeze alerts
- Soil-temp heads-up
- Weekly yard to-dos
Free. One weekly email plus alerts when your ZIP has a frost or a soil-temperature change worth acting on. After you submit, Kit (our email provider) sends a confirmation email: check your email and click the link to confirm. You aren't subscribed until you do. We collect only your email address and ZIP, sent to Kit to deliver The Dial. Unsubscribe anytime.