The highest day temperature in August 2025 was 117°F. The lowest night temperature was 61°F. The average values for day and night temperatures during August were 108.2°F и 67.5°F respectivly.

Almost all days in August are sunny. There is very low probability of clouds or gloomy days.

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

The average wind speed in August is 5.1 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 Death Valley in August is 12.4 hours.