Weather in Phnom Penh in May
In an average May, Phnom Penh sees a daily high around 35°C and a low around 26°C, based on 1980–2026 of local climate records.
| Average high | 35°C |
|---|---|
| Typical high range | 32°C to 37°C |
| Average low | 26°C |
| Typical low range | 25°C to 28°C |
| Average daily precipitation | 5 mm |
May records
The most extreme May on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total May accumulation.
High
Highest
40°C
2019-05-01
Lowest
27°C
2006-05-20
Low
Highest
30°C
2016-05-08
Lowest
24°C
1985-05-20
Feels-like
Highest
75°C
2010-05-18
Lowest
31°C
2006-05-20
Humidity
Highest
26.6 g/m³
2023-05-20
Lowest
17.8 g/m³
1995-05-06
Wind
Highest
26 km/h
1986-05-20
Lowest
4 km/h
2010-05-01
Gust
Highest
63 km/h
1986-05-20
Lowest
14 km/h
2026-05-31
Precip
Wettest
293 mm
2007
Driest
75 mm
2015
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