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

May weather forecast and Climate
Dauphin Island, AL

  • The 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).

  • The 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).

  • The 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").

  • The 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).

  • The 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).