Phnom Penh Weather in May

What's the weather like in Phnom Penh (Phnom Penh) in May 2023?

The climate in Phnom Penh during May can be summarized as very hot, humid and wet.

May is in the spring in Phnom Penh and is typically the warmest month of the year. Daytime maximum temperatures average around a steamy 34°C (93°F), whilst at night 25°C (76°F) is normal.

Phnom Penh weather averages (imperial / metric)
Daytime temperature 34°C 93.1°F
Nightly temperature 24.5°C 76°F
Average temperature 29.2°C 84.6°F
Daily sunshine 7.2 hrs
Avg rainfall 166 mm 6.5 ins
Rainy days 15 days
Sea temperature 30.4°C 86.7°F
Humidity 80%
Windspeed 5.8kph 4 mph

On average May is the 3rd wettest month of the year in Phnom Penh with around 166mm 6.5 inches of rain making it a wet time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.2 hours of sunshine per day.

May temperatures in Phnom Penh

Phnom Penh average temperature in May

May rainfall

Phnom Penh average rain in May

May hourly sunshine

Phnom Penh average rain in May

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Phnom Penh in May 2023.

Other monthly averages

Best places to visit in May

UV index Best time to go?

Phnom Penh weather stats

Phnom Penh weather statistics
Hottest month: April 34.2°C 93.6°F
Driest month: January 6mm 0.2ins
Sunniest month: January 9.4hrs
Coldest month: December 29.9°C 85.8°F
Wettest month: October 263mm 10.4ins
Map showing location of Phnom Penh (11.56245, 104.91601) Phnom Penh map pin © Google

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