All-time weather records — Dauphin Island, AL

Record high
100.9°F
July 29, 1993
Record low
-45.0°F
May 20, 2017
Wettest day
23.99 in
July 20, 1997

Climate change signal in Dauphin Island

58.5%

of Dauphin Island's all-time daily heat records were set in the last decade (214 of 366 records since 2015).

10.9%

of all-time daily cold records were set in the last decade (40 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 #
1970s
16
56
1980s
49
124
1990s
31
63
2000s
51
51
2010s
67
53
2020s
152
19

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 1976, the latest in 2026. Period of observation: 1975-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 81.0°F — Jan 19, 2017 9.0°F — Jan 21, 1985 9.11 in — Jan 25, 1978
February 80.1°F — Feb 28, 2023 19.0°F — Feb 4, 1996 5.48 in — Feb 11, 1981
March 82.9°F — Mar 26, 2020 23.0°F — Mar 2, 1980 8.20 in — Mar 3, 1979
April 88.0°F — Apr 16, 1998 30.9°F — Apr 6, 2016 9.63 in — Apr 1, 2005
May 95.0°F — May 30, 1995 -45.0°F — May 20, 2017 7.60 in — May 10, 1995
June 99.0°F — Jun 25, 2022 55.0°F — Jun 13, 1979 5.41 in — Jun 21, 2017
July 100.9°F — Jul 29, 1993 64.9°F — Jul 26, 2009 23.99 in — Jul 20, 1997
August 100.0°F — Aug 8, 2024 63.0°F — Aug 26, 2025 11.83 in — Aug 9, 1988
September 97.0°F — Sep 9, 2019 52.0°F — Sep 14, 1976 8.45 in — Sep 13, 1979
October 93.0°F — Oct 4, 2019 37.0°F — Oct 31, 1993 7.30 in — Oct 2, 1994
November 90.0°F — Nov 20, 2024 24.1°F — Nov 30, 1979 3.80 in — Nov 7, 1975
December 84.9°F — Dec 20, 2025 10.9°F — Dec 25, 1983 4.53 in — Dec 28, 1997

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