Measurements:
°C
°F
Dauphin Island
82°F
W 22 mph
Feels like: 84°F
Precip: 1%
World Resorts USA Dauphin Island Weather May Weather in Dauphin Island

Dauphin Island Weather: May

Average Day Temperature: 81.4°F
Average Night Temperature: 75.5°F
Sea Water Temperature: 80.7°F
Number of Sunny Days: 13 days
Sunshine Hours: 13.4 - 14.0 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.5 in

Air Temperature in May, °F

Select Year: 2026 2025 2024

The highest day temperature in May 2026 was 87°F. The lowest night temperature was 64°F. The average values for day and night temperatures during May were 79.7°F и 77.2°F respectivly.

Dauphin Island Water Sea Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Dauphin Island was 79.7°F. The maximum and minimum values were 73.6°F and 85.2°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in May are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in May, in

Precipitation total in May for Dauphin Island is 1.5 in.

Wind Speed in May, mph

The average wind speed in May is 10.3 mph.

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 May is 8.4 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 89.6 °F
June 88.1 °F
Warmest sea temperature:
August 90.8 °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 +90
Chicago +76
Hawaii +78
Honolulu +78
Houston +86
Las Vegas +92
Los Angeles +70
Maui +70
Miami +82
Miami Beach +84
New York +94
San Diego +64
San Francisco +60
Sarasota +94
Tampa +92
24 Hours Weather Forecast
Dauphin Island
Local time: 11:56
04 jun, thursday
1200 82°F
W
22 mph
1500 82°F
W
23 mph
1800 82°F
NW
22 mph
2100 82°F
NW
21 mph
05 jun, friday
0000 82°F
NW
21 mph
0300 82°F
NW
23 mph
0600 82°F
NW
25 mph
0900 82°F
NW
26 mph