Phnom Penh in august: average Weather, Temperature and Climate
Weather in Phnom Penh in august 2025
The weather in Phnom Penh in august comes from statistical datas on the past years. You can view the weather statistics for all the month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout august
tolerable weather UV index: 8
Weather at 6am
81°F
Partly Cloudy
48% of time
23%
14%
9%
Weather at 12pm
92°F
Partly Cloudy
39% of time
29%
15%
10%
Weather at 6pm
85°F
Heavy rain
40% of time
29%
17%
9%
Weather at 3am
79°F
43%
19%
14%
12%
Evolution of daily average temperature and precipitation in Phnom Penh in august
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Phnom Penh in august.
The climate of Phnom Penh in august is tolerable
The climate in august in Phnom Penh is wet (with 9.6in of rainfall over 16 days). Unfortunately, the weather conditions is worsening than the previous month since in july there is an average of 8.1in of precipitation over 15 days.
The climate is very warm around this city the month of august. Temperatures are up to 94°F. The minimum is 81°F. Thus, the mean temperature average on this month of august in Phnom Penh is 86°F. Note that these seasonal averages are in contrast with those observed in Phnom Penh in august with a maximum record of 101°F in 2014 and a minimum record of 76°F in 2009. You can plan to have about 29 days with temperatures above 86°F, or 94 of the month.
In august in Phnom Penh, the days on average last 12:30. Sunrise is at 05:50 and sets at 18:20.
With a correct climate, this month is okay (but not good) to go in Phnom Penh in Cambodia.
August: another location in Cambodia?
If you want to go to Cambodia in august, there are destinations with better weather than Phnom Penh:
In august, Tonlé Sap has good weather.
Seasonal average climate and temperature of Phnom Penh in august
Check below seasonal norms These datas are set from the weather statements of the past years of august.
| August | |||||
| Outside temperature | |||||
| Average temperature | 86°F | ||||
| Highest temperature | 94°F | ||||
| Lowest temperature | 81°F | ||||
| Highest record temperature | 101°F (2014) | ||||
| Lowest record temperature | 76°F (2009) | ||||
| Number of days at +86°F | 29 day(s) (94%) | ||||
| Number of days at +65°F | 31 day(s) (100%) | ||||
| Wind | |||||
| Wind speed | 15km/h | ||||
| Wind temperature | 81°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 9.6in | ||||
| Number of days with rainfall | 16 day(s) (52%) | ||||
| Record daily rainfall | 2.4in (2019) | ||||
| Other climate data | |||||
| Humidity | 85% | ||||
| Visibility | 8.9km | ||||
| Cloud cover | 44% | ||||
| UV index | 8 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:50 | ||||
| Time of sunset | 18:20 | ||||
| Length of day | 12:30 | ||||
| Our opinion about the weather in august | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last august?
Here is the day by day recorded weather in Phnom Penh in august 2024:
77°F to 90°F
77°F to 92°F
77°F to 90°F
72°F to 86°F
77°F to 85°F
77°F to 88°F
77°F to 94°F
77°F to 94°F
79°F to 95°F
77°F to 97°F
79°F to 94°F
79°F to 94°F
77°F to 95°F
79°F to 94°F
81°F to 95°F
79°F to 94°F
79°F to 94°F
79°F to 94°F
79°F to 95°F
79°F to 95°F
79°F to 97°F
79°F to 95°F
79°F to 95°F
79°F to 95°F
79°F to 94°F
79°F to 90°F
79°F to 81°F
79°F to 92°F
77°F to 86°F
76°F to 81°F
76°F to 88°F
Map: other cities in Cambodia in august
Cities near Phnom Penh:
| Koh Pen in august | tolerable weather |
| Kampong Cham in august | tolerable weather |
| Kirirom National Park in august | tolerable weather |
| Krong Kaeb in august | tolerable weather |
| Kampot in august | tolerable weather |
| Koh Tonsay (Rabbit Island) in august | tolerable weather |
| Sambor Prei Kuk in august | tolerable weather |
| Kratie in august | tolerable weather |
| Koh Thmei in august | very bad weather |
| Tonlé Sap in august | good weather |
| Sihanoukville in august | very bad weather |
| Koh Ta Kiev in august | very bad weather |
Click over cities on the map for information about the weather in august.
Phnom Penh
perfect weather
good
tolerable
bad
very bad
Weather data for Phnom Penh in august:
Weather data for Phnom Penh for august are derived from an average of the weather forecast since 2009 in Phnom Penh. There is a margin of error and these forecasts are to be considered as general information only. The weather in Phnom Penh can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Phnom Penh.