The highest day temperature in August 2026 was 105°F. The lowest night temperature was 77°F. The average values for day and night temperatures during August were 94.2°F и 79.7°F respectivly.

The average sea surface temperature in August 2026 for Jekyll Island was 89.1°F. The maximum and minimum values were 87.6°F and 91.0°F respectively.

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

Precipitation total in August for Jekyll Island is 2.3 in. It makes august the most rainy month of the year.

The average wind speed in August is 6.0 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 Jekyll Island in August is 6.9 hours.