The highest day temperature in August 2025 was 120°F. The lowest night temperature was 74°F. The average values for day and night temperatures during August were 111.5°F и 81.1°F respectivly.

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

Precipitation total in August for Henderson is 0.2 in. This value is relatively stable throughout the year.

The average wind speed in August is 7.3 mph.

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 Henderson in August is 11.8 hours.