Weather in Phnom Penh in May
May in Phnom Penh is warm with average temperatures around 30.0°C (86.0°F). Expect significant rainfall with 129mm across approximately 19 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
34.2°C
93.6°F
Low
25.8°C
78.4°F
Precipitation
129 mm
5.1 inches
~19 rainy days
Conditions
Humidity
74%
Comparison to Adjacent Months
May is 67mm wetter than April.
May is 61mm drier than June.