Siem Reap weather in May (Siem Reap Province, Cambodia)

This month is known as a warm month. The average maximum daytime temperature in Siem Reap in May lies at 34.4°C (93.92°F). The average minimum temperature goes down to around 24.8°C (76.64°F) (often the minimum temperature is noted at night).

Rainfall during May is high with an average of 165mm (6.5 inchec). There are generally around 13 rainy days.


Siem Reap, monthly averages in May

Show in Fahrenheit
Min Temperature 24 °C  
Max Temperature 34 °C  
Chance of Rain 46%  
Precipitation 164mm  
Rainy days 14 days  
Humidity 66% *  

Where to stay in Siem Reap

Where to go in Cambodia in May

Find out more about the weather in Cambodia in May and which places have the best weather conditions in this month.

Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inches a month).

So what to wear in May? Visitors traveling to Siem Reap should plan on bringing a totally waterproof coat since it will often be raining. However, also bring your summer cloths because it can be very warm or even hot.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in May.

Outdoor sports

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Siem Reap.

Our site offers climate and forecast data for almost all countries in the world. Are you going to Cambodia? On this website you can find historical weather averages for many cities in Cambodia. Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.