Frost history / E Sangerville, ME
E Sangerville, ME: frost dates by year
Last spring and first fall frost at NOAA station USC00172440, 2010 to 2025, measured from daily minimum temperatures.
Elevation 635 ft, 45.137, -69.281. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 8 | Oct 10 |
| Earliest | Apr 21 (2014) | Sep 19 (2014) |
| Latest | May 22 (2010) | Oct 30 (2023) |
| Trend | 8.1 days later per decade | 4.2 days later per decade |
| Years with data | 12 | 15 |
At 28°F (hard freeze) the median last spring date is Apr 18 and the median first fall date is Oct 29.
The trend is a straight-line fit through the years with a freeze. A positive spring trend means the last frost now comes later. Short or patchy records give noisy trends.
Chart
Last spring frost (32°F)
First fall frost (32°F)
Dots are single years. The gray line is the median, the green line the fitted trend.
Year by year
| Year | Last spring 32°F | First fall 32°F | Last spring 28°F | First fall 28°F |
|---|---|---|---|---|
| 2025 | no data | Oct 10 | no data | Nov 3 |
| 2024 | no data | Oct 17 | no data | Oct 28 |
| 2023 | May 18 | Oct 30 | Apr 10 | Oct 31 |
| 2022 | May 8 | Oct 3 | Apr 24 | Oct 29 |
| 2021 | May 8 | Oct 29 | May 7 | Nov 4 |
| 2020 | May 13 | Sep 21 | Apr 25 | Oct 12 |
| 2019 | May 9 | Oct 3 | Apr 12 | Nov 3 |
| 2018 | May 12 | Sep 24 | Apr 17 | Oct 19 |
| 2017 | Apr 25 | Oct 17 | Apr 4 | Nov 8 |
| 2016 | May 9 | Oct 15 | Apr 30 | Oct 15 |
| 2015 | Apr 25 | Oct 4 | Apr 16 | Oct 18 |
| 2014 | Apr 21 | Sep 19 | Apr 20 | Nov 3 |
| 2013 | no data | Oct 24 | no data | Oct 26 |
| 2011 | Apr 23 | Oct 7 | Apr 16 | Oct 29 |
| 2010 | May 22 | Oct 14 | May 10 | Nov 3 |
"none" means the station recorded no freeze at that threshold in that half of the year. "no data" means more than 10% of the season's daily readings were missing. Years with no usable data are left out. See the methodology for the rules, and the ZIP lookup for 1991 to 2020 frost probabilities.