Measurements:
°C
°F
Dauphin Island
70°F
SW 13 mph
Feels like: 70°F
Precip: 13%
World Resorts USA Dauphin Island Weather

Dauphin Island Sea Water Temperature

Current Sea Water Temperature:
+72.8°F
Maximum Sea Water Temperature in October: 88.2°F
Minimum Sea Water Temperature in October: 71.6°F
Average water temperature in October: 79.7°F

Sea Water Temperature for the Last 10 Days:

October 26 72.8°F October 21 76.4°F
October 25 73.4°F October 20 79.4°F
October 24 73.4°F October 19 80.2°F
October 23 72.4°F October 18 82.0°F
October 22 75.2°F October 17 83.0°F

When is the Warmest Sea for Dauphin Island?

According to our data for the last three years for Dauphin Island the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Dauphin Island was 91.3°F. The maximum and minimum values were 89.0°F and 92.8°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Dauphin Island was 90.4°F. The maximum and minimum values were 87.4°F and 93.4°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Dauphin Island was 90.1°F. The maximum and minimum values were 87.6°F and 92.2°F respectively.

Best Time to Visit Dauphin Island
The most sunny months:
October 19 days
November 15 days
September 14 days
The most warm months:
August 90.2 °F
July 89.9 °F
June 88.1 °F
Warmest sea temperature:
August 90.9 °F
July 90.1 °F
September 87.8 °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
F°
Boston +58
Chicago +58
Hawaii +80
Houston +74
Las Vegas +64
Los Angeles +74
Maui +72
Miami +82
New York +62
Panama City Beach +64
San Diego +74
San Francisco +60
Santa Monica +72
Tampa +72
Washington +58
24 Hours Weather Forecast
Dauphin Island
Local time: 23:48
27 oct, tuesday
0000 70°F
SW
13 mph
0300 68°F
SW
14 mph
0600 68°F
SW
14 mph
0900 66°F
SW
13 mph
1200 68°F
SW
9 mph
1500 70°F
NW
6 mph
1800 72°F
N
3 mph
2100 72°F
W
4 mph