The highest day temperature in April 2026 was 82°F. The lowest night temperature was 53°F. The average values for day and night temperatures during April were 72.7°F и 62.8°F respectivly.

The average sea surface temperature in April 2026 for Isle of Palms was 69.1°F. The maximum and minimum values were 63.2°F and 72.4°F respectively.

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

Precipitation total in April for Isle of Palms is 1.1 in.

The average wind speed in April is 9.1 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 Isle of Palms in April is 9.0 hours.