All-time weather records — Ellsworth, ME

Record high
97.0°F
June 20, 2024
Record low
-17.0°F
February 4, 2023
Wettest day
4.91 in
September 30, 2015

Climate change signal in Ellsworth

77.3%

of Ellsworth's all-time daily heat records were set in the last decade (283 of 366 records since 2015).

78.4%

of all-time daily cold records were set in the last decade (287 of 366 records since 2015).

If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:

Decade Heat records set # Cold records set #
2010s
196
229
2020s
170
137

Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 2011, the latest in 2026. Period of observation: 2011-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 53.1°F — Jan 11, 2020 -16.1°F — Jan 14, 2015 2.27 in — Jan 24, 2019
February 57.9°F — Feb 23, 2022 -17.0°F — Feb 4, 2023 1.63 in — Feb 4, 2018
March 82.0°F — Mar 22, 2012 -6.0°F — Mar 1, 2015 2.35 in — Mar 23, 2024
April 79.0°F — Apr 16, 2017 14.0°F — Apr 6, 2016 2.72 in — Apr 26, 2025
May 89.1°F — May 18, 2017 26.1°F — May 18, 2023 2.40 in — May 10, 2012
June 97.0°F — Jun 20, 2024 30.0°F — Jun 1, 2020 2.49 in — Jun 28, 2018
July 95.0°F — Jul 22, 2011 44.1°F — Jul 5, 2021 2.89 in — Jul 5, 2014
August 91.9°F — Aug 7, 2022 39.9°F — Aug 21, 2025 2.39 in — Aug 9, 2013
September 89.1°F — Sep 5, 2023 30.0°F — Sep 21, 2020 4.91 in — Sep 30, 2015
October 82.9°F — Oct 9, 2011 19.9°F — Oct 29, 2024 3.41 in — Oct 7, 2023
November 72.0°F — Nov 1, 2024 5.0°F — Nov 22, 2018 3.30 in — Nov 27, 2013
December 59.0°F — Dec 1, 2020 -13.0°F — Dec 31, 2017 3.86 in — Dec 11, 2023

Click a month to see every daily record for that month in Ellsworth.