The highest day temperature in August 2023 was 104°F. The lowest night temperature was 81°F. The average values for day and night temperatures during August were 99.3°F и 82.8°F respectivly.

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

Precipitation total in August for Phnom Penh is 5.3 in. It makes august one of the most rainy months of the year.

The average wind speed in August is 7.9 mph. It makes August one of the most windy months of the year for Phnom Penh.

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 Phnom Penh in August is 6.7 hours.