Measurements:
°C
°F
Dauphin Island
90°F
NE 11 mph
Feels like: 98°F
Precip: 12%
World Resorts USA Dauphin Island Weather August Weather in Dauphin Island

Dauphin Island Weather: August

Average Day Temperature: 90.0°F
Average Night Temperature: 84.6°F
Sea Water Temperature: 90.9°F
Number of Sunny Days: 10 days
Sunshine Hours: 12.8 - 13.6 hours
Number of Rainy Days: 5 days
Precipitation Totals: 2.2 in

Air Temperature in August, °F

Select Year: 2025 2024 2023

The highest day temperature in August 2025 was 92°F. The lowest night temperature was 81°F. The average values for day and night temperatures during August were 87.8°F и 86.1°F respectivly.

Dauphin Island Water Sea Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2025 for Dauphin Island was 90.8°F. The maximum and minimum values were 88.2°F and 93.0°F respectively.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during August. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in August, in

Precipitation total in August for Dauphin Island is 2.2 in. It makes august one of the most rainy months of the year.

Wind Speed in August, mph

The average wind speed in August is 8.5 mph. It makes August the most windless month of the year for Dauphin Island.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Dauphin Island in August is 7.5 hours.

Best Time to Visit Dauphin Island
The most sunny months:
October 20 days
September 15 days
November 15 days
The most warm months:
August 90.0 °F
July 89.9 °F
June 88.1 °F
Warmest sea temperature:
August 90.9 °F
July 90.1 °F
September 87.5 °F
The most cold months:
January 56.8 °F
February 60.6 °F
December 60.6 °F
The most rainy months:
August 5 days
July 5 days
September 4 days
The most windy months:
January 12 mph
March 11 mph
February 11 mph

Dauphin Island on the Weather Map

USA Resorts:
NAME
Boston +80
Chicago +80
Hawaii +84
Houston +106
Las Vegas +116
Los Angeles +96
Maui +70
Miami +92
Myrtle Beach +84
New York +82
San Diego +96
San Francisco +64
Santa Monica +86
Sarasota +92
Washington +84
24 Hours Weather Forecast
Dauphin Island
Local time: 16:45
25 aug, tuesday
1800 90°F
NE
11 mph
2100 90°F
NE
9 mph
26 aug, wednesday
0000 90°F
N
9 mph
0300 90°F
NE
7 mph
0600 90°F
E
5 mph
0900 88°F
S
4 mph
1200 90°F
NE
6 mph
1500 90°F
N
11 mph