The highest day temperature in August 2026 was 107°F. The lowest night temperature was 77°F. The average values for day and night temperatures during August were 101.3°F и 82.2°F respectivly.

The average sea surface temperature in August 2026 for Houston was 92.0°F. The maximum and minimum values were 91.4°F and 92.6°F respectively.

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

Precipitation total in August for Houston is 4.3 in. It makes august one of the most rainy months of the year.

The average wind speed in August is 7.1 mph. It makes August one of the most windless months of the year for Houston.

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 Houston in August is 8.4 hours.