The highest day temperature in March 2025 was 81°F. The lowest night temperature was 36°F. The average values for day and night temperatures during March were 68.6°F и 52.5°F respectivly.

The average sea surface temperature in March 2025 for Myrtle Beach was 57.1°F. The maximum and minimum values were 52.2°F and 64.0°F respectively.

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

Precipitation total in March for Myrtle Beach is 1.1 in.

The average wind speed in March is 8.9 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 Myrtle Beach in March is 6.9 hours.