All-time weather records — Hallowell, ME

Record high
100.0°F
June 24, 2025
Record low
-23.1°F
February 2, 1962
Wettest day
5.78 in
September 11, 1954

Climate change signal in Hallowell

18%

of Hallowell's all-time daily heat records were set in the last decade (66 of 366 records since 2015).

5.2%

of all-time daily cold records were set in the last decade (19 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 #
1940s
20
3
1950s
47
92
1960s
44
94
1970s
34
49
1980s
36
46
1990s
46
33
2000s
46
25
2010s
48
19
2020s
45
5

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 1948, the latest in 2026. Period of observation: 1948-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 61.0°F — Jan 8, 2008 -22.0°F — Jan 14, 1957 2.10 in — Jan 26, 1986
February 64.0°F — Feb 23, 2022 -23.1°F — Feb 2, 1962 2.47 in — Feb 25, 2010
March 84.9°F — Mar 31, 1998 -11.0°F — Mar 1, 1982 2.90 in — Mar 31, 1987
April 90.0°F — Apr 27, 1990 9.0°F — Apr 4, 1954 3.41 in — Apr 24, 1983
May 93.9°F — May 22, 1992 26.1°F — May 8, 1950 3.01 in — May 31, 1984
June 100.0°F — Jun 24, 2025 32.0°F — Jun 13, 2013 2.86 in — Jun 27, 1954
July 99.0°F — Jul 14, 1952 43.0°F — Jul 7, 1965 4.15 in — Jul 13, 1996
August 100.0°F — Aug 5, 1955 39.0°F — Aug 27, 1954 4.50 in — Aug 19, 1991
September 96.1°F — Sep 9, 2002 28.0°F — Sep 28, 1965 5.78 in — Sep 11, 1954
October 86.0°F — Oct 6, 2025 21.0°F — Oct 19, 1974 4.01 in — Oct 8, 2005
November 77.0°F — Nov 6, 2024 3.9°F — Nov 27, 1978 3.66 in — Nov 3, 1966
December 66.9°F — Dec 6, 2001 -15.0°F — Dec 31, 1962 4.03 in — Dec 17, 1973

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