Siem Reap Weather in May

What's the weather like in Siem Reap (Siem Reap) in May 2023?

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

May is in the spring in Siem Reap and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 34°C (94°F), whilst at night 25°C (76°F) is normal.

Siem Reap weather averages (imperial / metric)
Daytime temperature 34.2°C 93.6°F
Nightly temperature 24.6°C 76.3°F
Average temperature 29.4°C 84.9°F
Daily sunshine 7.4 hrs
Avg rainfall 146 mm 5.7 ins
Rainy days 15 days
Sea temperature 29.9°C 85.7°F
Humidity 79%
Windspeed 5.8kph 4 mph

On average May is the 6th wettest month of the year in Siem Reap with around 146mm 5.7 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 7.4 hours of sunshine per day.

May temperatures in Siem Reap

Siem Reap average temperature in May

May rainfall

Siem Reap average rain in May

May hourly sunshine

Siem Reap 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 Siem Reap in May 2023.

Other monthly averages

Best places to visit in May

UV index Best time to go?

Siem Reap weather stats

Siem Reap weather statistics
Hottest month: April 35.7°C 96.3°F
Driest month: January 1mm 0ins
Sunniest month: January 9.6hrs
Coldest month: December 30.1°C 86.2°F
Wettest month: September 250mm 9.8ins
Map showing location of Siem Reap (13.36179, 103.86056) Siem Reap map pin © Google

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