The highest day temperature in August 2025 was 86°F. The lowest night temperature was 76°F. The average values for day and night temperatures during August were 80.8°F и 80.7°F respectivly.

The average sea surface temperature in August 2025 for Hatteras Island was 83.3°F. The maximum and minimum values were 81.2°F and 89.0°F respectively.

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

Precipitation total in August for Hatteras Island is 1.9 in. It makes august the most rainy month of the year.

The average wind speed in August is 10.8 mph. It makes August the most windless month of the year for Hatteras Island.

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 Hatteras Island in August is 7.5 hours.