Dauphin Island
Alabama, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Dauphin Island, AL

The aerial view of the scenic Dauphin Island in Alabama
The aerial view of the scenic Dauphin Island in Alabama
The last month of the spring, May, is another warm month in Dauphin Island, Alabama, with temperature in the range of an average high of 81.7°F (27.6°C) and an average low of 71.1°F (21.7°C).

Temperature

In May, the average high-temperature marginally rises, from a warm 74.1°F (23.4°C) in April, to a still moderately hot 81.7°F (27.6°C). In Dauphin Island, in May, the average low-temperature is 71.1°F (21.7°C).

Rainfall

In Dauphin Island, during 7 rainfall days, 4.4" (112mm) of precipitation is typically accumulated. In Dauphin Island, during the entire year, the rain falls for 115 days and collects up to 61.4" (1559.2mm) of precipitation.

Ocean temperature

In May, the average ocean temperature is 77.4°F (25.2°C).
Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

The average length of the day in May in Dauphin Island is 13.7h.

What is the temperature in May in Dauphin Island?

In May, in Dauphin Island, the average high-temperature is 81.7°F (27.6°C), and the average low-temperature is 71.1°F (21.7°C).

How much does it rain in Dauphin Island in May?

In May, in Dauphin Island, the rain falls for 7 days. Throughout May, 4.4" (112mm) of precipitation is accumulated.

What is the water temperature in May in Dauphin Island?

In Dauphin Island, Alabama, the average seawater temperature in May is 77.4°F (25.2°C). For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

What is the average length of the day in May in Dauphin Island?

The average length of the day in May in Dauphin Island, Alabama, is 13.7h.
Average temperature in May - Dauphin Island, AL
  • Average high temperature in May: 81.6°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (59°F).

  • Average low temperature in May: 71.1°F

The month with the highest average low temperature is August (78°F).
The coldest month (with the lowest average low temperature) is January (45.5°F).

Average rainfall in May - Dauphin Island, AL
  • Average rainfall in May: 4.4"

The wettest month (with the highest rainfall) is August (7.2").
The driest month (with the lowest rainfall) is October (3.9").

Average rainfall days in May - Dauphin Island, AL
  • Average rainfall days in May: 7 days

Months with the highest number of rainy days are January, August and December (12 days).
Months with the lowest number of rainy days are April, May and October (7 days).

Average sea temperature in May - Dauphin Island, AL
  • Average sea temperature in May: 77.4°F

The best month for swimming (with the highest average sea temperature) is August (86.6°F).
The coldest month (with the lowest average sea temperature) is January (58.7°F).

Average daylight in May - Dauphin Island, AL
  • Average daylight in May: 13.7h

The month with the longest days is June (Average daylight: 14.1h).
The month with shortest days is December (Average daylight: 10.2h).