National Weather ServiceMaineFrost AdvisoryArchive to October 1, 2026
Frost Advisories in Maine
The National Weather Service issued 18 frost advisories for Maine in 2025 and 17 a year on average in 2008-2025; in 2021-2025 it had the 24th most of any state. 2026 through September: 18, 36% above the average of 13 for those months in 2008-2025. Interior York was covered most often (65 times since 2008).
How many frost advisories does Maine get?
Every frost advisory that covered part of Maine. 2026 is an outline: the year is not over.
The numbers
| Year | Count |
|---|---|
| 2026 (through September) | 18 |
| 2025 | 18 |
| 2024 | 11 |
| 2023 | 14 |
| 2022 | 25 |
| 2021 | 10 |
| 2020 | 23 |
| 2019 | 17 |
| 2018 | 26 |
| 2017 | 9 |
| 2016 | 13 |
| 2015 | 20 |
| 2014 | 15 |
| 2013 | 22 |
| 2012 | 16 |
| 2011 | 12 |
| 2010 | 20 |
| 2009 | 24 |
| 2008 | 12 |
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
When in the year does Maine get them?
Sum of 2008-2025; the busiest month is labelled.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
Where in Maine?
| County or forecast zone | Since 2008 | Since 2023 | Last issued |
|---|---|---|---|
| Interior York | 65 | 15 | May 13, 2026 |
| Southern Oxford | 65 | 18 | September 24, 2026 |
| Interior Hancock | 62 | 11 | September 24, 2026 |
| Southern Piscataquis | 61 | 6 | May 31, 2026 |
| Central Penobscot | 60 | 6 | May 31, 2026 |
| Central Washington | 60 | 12 | September 24, 2026 |
| Northeast Aroostook | 59 | 11 | September 15, 2026 |
| Northern Penobscot | 59 | 10 | September 15, 2026 |
| Southeast Aroostook | 59 | 10 | September 15, 2026 |
| Southern Penobscot | 59 | 9 | September 24, 2026 |
| Northern Washington | 58 | 5 | May 23, 2026 |
| Androscoggin | 57 | 13 | May 13, 2026 |
The NWS issues these products for counties or forecast zones; a zone can be part of a county or a mountain range.
Source: Iowa Environmental Mesonet archive of National Weather Service watches, warnings and advisories (VTEC); National Weather Service. Data as of October 1, 2026.
What is a frost advisory?
A frost advisory means frost is expected on clear, calm nights during the growing season, with temperatures a few degrees above freezing. An advisory is issued for a hazard less serious than a warning that can still cause inconvenience or danger if people are not careful. The national record · Every warning type in Maine.