Last Frost Day

Frost history / Frenchville Aroostook Ap, ME

Frenchville Aroostook Ap, ME: frost dates by year

Last spring and first fall frost at NOAA station USW00004836, 1996 to 2024, measured from daily minimum temperatures.

Elevation 988 ft, 47.286, -68.313. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 15Sep 29
EarliestApr 25 (2015)Sep 9 (2003)
LatestJun 5 (2000)Oct 12 (2005)
Trend1.9 days earlier per decade1.2 days earlier per decade
Years with data2829

At 28°F (hard freeze) the median last spring date is Apr 27 and the median first fall date is Oct 18.

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)

Apr 15Apr 30May 15May 30Jun 142000201020201997: May 161998: Jun 21999: May 132000: Jun 52001: May 62002: Jun 42003: May 102004: May 222005: May 142006: May 82007: May 222008: May 112009: May 262010: May 132011: May 22012: May 72013: May 282014: May 132015: Apr 252016: May 162017: Apr 302018: May 182019: May 12020: Jun 22021: May 292022: May 242023: May 222024: May 10

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 272000201020201996: Sep 231997: Sep 221998: Oct 61999: Oct 42000: Sep 262001: Sep 302002: Oct 82003: Sep 92004: Oct 52005: Oct 122006: Oct 62007: Sep 302008: Sep 182009: Sep 172010: Oct 42011: Oct 52012: Sep 202013: Oct 62014: Sep 132015: Sep 262016: Sep 292017: Sep 302018: Sep 242019: Sep 182020: Sep 182021: Oct 42022: Sep 192023: Sep 262024: Oct 9

Dots are single years. The gray line is the median, the green line the fitted trend.

Year by year

YearLast spring 32°FFirst fall 32°FLast spring 28°FFirst fall 28°F
2024May 10Oct 9Apr 26Oct 27
2023May 22Sep 26Apr 21Oct 29
2022May 24Sep 19May 8Oct 3
2021May 29Oct 4Apr 23Oct 29
2020Jun 2Sep 18May 13Oct 12
2019May 1Sep 18Apr 10Oct 27
2018May 18Sep 24Apr 16Oct 18
2017Apr 30Sep 30Apr 25Nov 4
2016May 16Sep 29Apr 30Oct 27
2015Apr 25Sep 26Apr 16Oct 17
2014May 13Sep 13May 13Oct 21
2013May 28Oct 6Apr 26Oct 26
2012May 7Sep 20Apr 29Oct 24
2011May 2Oct 5Apr 23Oct 7
2010May 13Oct 4Apr 16Oct 19
2009May 26Sep 17Apr 20Sep 26
2008May 11Sep 18May 1Sep 19
2007May 22Sep 30Apr 25Oct 31
2006May 8Oct 6Apr 29Oct 27
2005May 14Oct 12May 13Oct 29
2004May 22Oct 5May 8Oct 6
2003May 10Sep 9May 3Oct 20
2002Jun 4Oct 8May 13Oct 9
2001May 6Sep 30Apr 29Sep 30
2000Jun 5Sep 26May 3Sep 26
1999May 13Oct 4Apr 23Oct 4
1998Jun 2Oct 6Apr 27Oct 7
1997May 16Sep 22Apr 27Sep 27
1996no dataSep 23no dataOct 4

"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.