The highest day temperature in May 2026 was 91°F. The lowest night temperature was 51°F. The average values for day and night temperatures during May were 83.0°F и 69.4°F respectivly.

The average sea surface temperature in May 2026 for Edisto Beach was 77.3°F. The maximum and minimum values were 71.4°F and 85.2°F respectively.

Most of the days in May are cloudy but you can also expect sunny or gloomy days.

Precipitation total in May for Edisto Beach is 1.1 in.

The average wind speed in May is 7.5 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 Edisto Beach in May is 8.5 hours.