Cambodia features a tropical wet and dry climate. In the monsoon season, abundant rain allows for the cultivation of a wide variety of crops. This year-round tropical climate makes Cambodia ideal for developing tourism. Travelers need not to fear natural disasters such as erupting volcanoes or earthquakes, and the country is not directly affected by tropical storms.
Climate: Cambodia can be visited throughout the year. However, those plans to travel extensively by road should be avoided the last two months of the rainy season when some countryside roads may be impassable. The average temperature is about 27 degrees Celsius; the minimum temperature is about 16 degrees. December and January are the coolest months, whereas the hottest is April.
Siem Reap is generally hot throughout the course of the year, with average high temperatures never falling below 30 C in any month. Siem Reap has a relatively lengthy wet season which starts in April and ends in November. The dry season covers the remaining four months. The city averages approximately 1500 mm of rainfall per year.