The highest day temperature in August 2023 was 89°F. The lowest night temperature was 76°F. The average values for day and night temperatures during August were 85.2°F и 77.5°F respectivly.

The average sea surface temperature in August 2023 for Oahu was 82.6°F. The maximum and minimum values were 82.2°F and 83.0°F respectively.

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

Precipitation total in August for Oahu is 0.2 in. It makes august one of the least rainy months of the year.

The average wind speed in August is 11.6 mph. It makes August one of the most windy months of the year for Oahu.

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 Oahu in August is 7.2 hours.