All-time weather records — Stamford, CT

Record high
104.0°F
August 9, 2001
Record low
-18.0°F
January 18, 1982
Wettest day
6.12 in
June 19, 1972

Climate change signal in Stamford

10.9%

of Stamford's all-time daily heat records were set in the last decade (40 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 #
1950s
17
48
1960s
50
110
1970s
49
82
1980s
55
57
1990s
88
28
2000s
51
13
2010s
48
27
2020s
8
1

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 1956, the latest in 2022. Period of observation: 1955-2022.

Records by month

Month Hottest day Coldest day Wettest day
January 69.1°F — Jan 6, 2007 -18.0°F — Jan 18, 1982 4.12 in — Jan 21, 1979
February 73.9°F — Feb 24, 1985 -15.0°F — Feb 5, 1996 2.82 in — Feb 20, 1981
March 84.9°F — Mar 31, 1998 -6.0°F — Mar 19, 1967 3.80 in — Mar 14, 2010
April 96.1°F — Apr 17, 2002 16.0°F — Apr 1, 1964 4.10 in — Apr 15, 2007
May 97.0°F — May 20, 1996 28.0°F — May 3, 1957 4.53 in — May 29, 1968
June 97.0°F — Jun 7, 1999 35.1°F — Jun 3, 1986 6.12 in — Jun 19, 1972
July 102.0°F — Jul 15, 1995 43.0°F — Jul 6, 1979 4.04 in — Jul 13, 1996
August 104.0°F — Aug 9, 2001 37.0°F — Aug 31, 1965 3.62 in — Aug 19, 1991
September 97.0°F — Sep 11, 1983 28.0°F — Sep 28, 1957 5.02 in — Sep 16, 1999
October 91.0°F — Oct 2, 2019 16.0°F — Oct 28, 1976 4.16 in — Oct 7, 1972
November 82.0°F — Nov 3, 2003 7.0°F — Nov 24, 1989 3.36 in — Nov 8, 1977
December 75.9°F — Dec 7, 1998 -13.0°F — Dec 26, 1980 3.02 in — Dec 3, 1986

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