The highest day temperature in March 2026 was 78°F. The lowest night temperature was 39°F. The average values for day and night temperatures during March were 62.6°F и 55.4°F respectivly.

The average sea surface temperature in March 2026 for Wilmington Island was 62.7°F. The maximum and minimum values were 54.6°F and 66.4°F respectively.

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

Precipitation total in March for Wilmington Island is 1.3 in.

The average wind speed in March is 8.0 mph. This value is relatively stable throughout the year.

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 Wilmington Island in March is 7.1 hours.