All-time weather records — Sanford, ME

Record high
120.0°F
May 25, 1985
Record low
-27.9°F
January 18, 1957
Wettest day
79.00 in
October 19, 2000

Climate change signal in Sanford

18.3%

of Sanford's all-time daily heat records were set in the last decade (67 of 366 records since 2015).

9.6%

of all-time daily cold records were set in the last decade (35 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 #
1950s
38
67
1960s
46
127
1970s
53
59
1980s
35
45
1990s
54
14
2000s
48
14
2010s
46
36
2020s
46
4

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 1953, the latest in 2025. Period of observation: 1953-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 68.0°F — Jan 6, 2007 -27.9°F — Jan 18, 1957 2.49 in — Jan 10, 2024
February 73.9°F — Feb 23, 2018 -25.1°F — Feb 13, 1967 3.32 in — Feb 25, 1977
March 88.0°F — Mar 31, 1998 -13.0°F — Mar 19, 1967 3.38 in — Mar 15, 2010
April 91.9°F — Apr 27, 1962 -9.9°F — Apr 8, 1982 3.50 in — Apr 10, 1980
May 120.0°F — May 25, 1985 12.9°F — May 20, 1985 4.35 in — May 14, 2006
June 99.0°F — Jun 27, 2025 30.9°F — Jun 3, 1986 4.52 in — Jun 3, 2012
July 105.1°F — Jul 2, 1987 37.9°F — Jul 3, 1962 2.78 in — Jul 10, 2021
August 100.9°F — Aug 2, 1975 30.9°F — Aug 30, 1965 4.71 in — Aug 19, 1991
September 95.0°F — Sep 2, 1953 21.9°F — Sep 30, 2018 7.00 in — Sep 12, 1960
October 89.1°F — Oct 7, 1963 12.0°F — Oct 31, 1966 79.00 in — Oct 19, 2000
November 77.0°F — Nov 1, 2024 -0.9°F — Nov 24, 1989 3.87 in — Nov 2, 1988
December 73.0°F — Dec 7, 1998 -20.0°F — Dec 31, 1963 2.92 in — Dec 15, 1954

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