The highest day temperature in March 2026 was 76°F. The lowest night temperature was 45°F. The average values for day and night temperatures during March were 67.7°F и 66.9°F respectivly.

The average sea surface temperature in March 2026 for Dauphin Island was 69.7°F. The maximum and minimum values were 63.6°F and 75.0°F respectively.

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

Precipitation total in March for Dauphin Island is 1.7 in.

The average wind speed in March is 11.6 mph. It makes March one of the most windy months of the year for Dauphin Island.

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 March is 6.9 hours.