Weather in Phnom Penh in August
August in Phnom Penh is warm with average temperatures around 27.6°C (81.7°F). Expect significant rainfall with 167mm across approximately 21 days.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
30.8°C
87.4°F
Low
24.3°C
75.7°F
Precipitation
167 mm
6.6 inches
~21 rainy days
Conditions
Humidity
85%
Comparison to Adjacent Months
August is 23mm drier than September.