Phnom Penh Weather in May
33.8°C high · 25.7°C low · 150 mm rain · 8.7h sun
May is a warm month in Phnom Penh — not peak season, but a good time to avoid crowds.
May at a glance
| Metric | Value |
|---|---|
| Average high | 33.8°C |
| Average low | 25.7°C |
| Rainfall | 150 mm |
| Sunshine | 8.7 hours/day |
| Daylight | 12.5 hours |
What to pack in May
Pack light, breathable clothes, plus a raincoat and umbrella for Phnom Penh in May.
Phnom Penh weather by month
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Frequently asked questions
What is the weather in Phnom Penh in May?
Highs of 33.8°C and lows of 25.7°C, with about 150 mm of rain and 8.7 hours of sunshine per day.
Is May a good time to visit Phnom Penh?
May is a warm month in Phnom Penh — not peak season, but a good time to avoid crowds.
What to do in Phnom Penh · Best time to visit Phnom Penh
Climate data: Open-Meteo Historical (ERA5), 1991–2020. CC BY 4.0.