Dauphin Island Weather Records

Dauphin Island, Alabama weather averages and records from 1975–2024 based on data made available by the NOAA.

All-Time Recorded High

The highest temperature ever recorded in Dauphin Island, Alabama was 101 °F which occurred on July 29, 1993.

Highest Temperatures: All-Time By Year

All-Time Recorded Low

The lowest temperature ever recorded in Dauphin Island, Alabama was 9 °F which occurred on January 21, 1985.

Lowest Temperatures: All-Time By Year

Dauphin Island Weather by Month

Averages based on the years 1991–2020

Month	Average (°F)		Record (°F)		Average (inches)
Month	High ☀️	Low 🌙	High ☀️	Low 🌙	Precipitation 💧	Snow ❄️
January	59.5	46.6	81	9	5.5	0.0
February	62.0	49.5	80	19	4.7	0.0
March	67.2	55.6	83	23	5.3	0.0
April	74.2	63.4	88	35	5.3	0.0
May	81.3	71.5	95	50	4.7	0.0
June	87.0	76.8	99	55	5.3	0.0
July	89.0	78.4	101	65	7.0	0.0
August	88.7	78.4	99	64	5.6	0.0
September	85.8	75.8	97	57	4.9	0.0
October	78.0	66.7	93	37	3.5	0.0
November	68.4	55.6	85	24	4.0	0.0
December	61.8	49.2	85	11	4.3	0.0
Entire year	75.2	63.8	101	9	59.9	0.0

More Dauphin Island Weather Records 1975–2024
Highest daily low	88 °F	August 27, 2023
Lowest daily high	26 °F	December 24, 1989
Greatest daily range (Difference of high and low)	42 °F	December 24, 1990
Greatest difference in daily high over two conscutive days	36 °F	Jan 2–3, 1979
Most daily precipitation	24.0 inches	July 20, 1997
Most monthly precipitation	39.0 inches	July 1997
Most yearly precipitation	91.7 inches	1997
Most yearly days with precipitation	152	2021
Most daily snow	none	-
Earliest freeze	November 30	1979
Earliest day ≥ 90 °F	May 16	2023
Latest freeze	March 10	1996
Latest day ≥ 90 °F	October 10	2019
Most days in a year < 32 °F	13	1996
Most days in a year ≥ 80 °F	176	2002
Most days in a year ≥ 90 °F	82	2023
Most days in a year ≥ 100 °F	1	1993

Dauphin Island Weather Streaks Most consecutive days...
With precipitation	12 days	Aug 17–28, 2022
Without precipitation	39 days	Jun 2 – Jul 10, 1977
High temperature ≥ 80 °F	152 days	May 8 – Oct 6, 2023
High temperature ≥ 90 °F	27 days	Jul 25 – Aug 20, 2023

Plant Hardiness Zone

Dauphin Island is in plant hardiness zone 9B

based on average yearly minimum temperature from 1991–2020

Facts About Dauphin Island Weather

Dauphin Island Weather by Year

More Dauphin Island Weather

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Weather Station Details

Years	Station	Coordinates
1975–2024	Dauphin Island #2	location