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The climate of Cambodia
Cambodia is a country located in the southeastern part of Asia and borders the countries Laos, Thailand and Vietnam. In the south Cambodia is located on the Gulf of Thailand. Cambodia has a tropical monsoon climate, type Am according to the Köppen climate classification. The average 24 hour temperature is 30 degrees Celsius (86 degrees Fahrenheit) all year round. During the dry season average maximum temperatures are lowest, about 30 degrees Celsius (86 degrees Fahrenheit). After this average maximum temperatures rapidly rise to 34-37 degrees Celsius (93-98 degrees Fahrenheit) in April. As soon as the rainy season starts in May average temperatures gradually drop. However, because of high humidity figures it still feels warm. During the wet season humidity figures may reach 80%. The Cardamom Mountains and the Dâmrei Mountains (literally Elephant Mountains) often prevent rain from reaching the interior of the country. Because of this temperatures may sometimes rise up to 40 degrees Celsius (104 degrees Fahrenheit) which is rather uncommon for this region.


Climate information of places and areas in Cambodia
The climate information given on this page is only brief. Specific information on weather and climate can be found on the pages per region or city. The following climate information is available for Cambodia:

Choeung Ek
Krong Koh Kong
Phnom Penh
Siem Raep

Rainy season
Cambodia has a southwest monsoon from May until October (locally November). During this period high precipitation figures can be recorded, especially in the coastal regions and the windward side of the mountains. The capital Phnom Penh has an average annual precipitation figure just short of 1,400 millimeters. In Kirirom National Park 3,800 millimeters of annual precipitation falls. The wettest region in the Elephant Mountains (Bokor Hill Station) can even record 5,000 millimeters of annual precipitation. From December chances of precipitation decrease, mainly because the wind supplies drier and cooler air from the northeast. January and February are the driest months. During this period precipitation figures may drop to nil in some regions in Cambodia.

Cambodia is located in a region in which there is a risk of hurricanes. From the end of May there is a (small) risk of hurricanes which form over the Pacific Ocean. Because Cambodia is located on the leeward side of the Annamese mountain range in Vietnam there is only a relatively small risk of hurricanes. Once a hurricane makes landfall it loses much of its power. When these storms do reach Cambodia they have often died down.


Climate figures
Throughout Cambodia several climate figures and temperatures can be recorded. The figures below are for Ouagadougou and cannot be seen as an average for this country. For climate figures for other places and regions in Cambodia please, visit the individual climate pages.

temperature (°C)


temperature (°C)
hours of sunshine

average days with precipitation
per month
per month
temperature (°C)
January 32 21 9 1 n/a
February 32 22 9 2 n/a
March 34 23 8 4 n/a
April 35 24 8 7 n/a
May 34 25 7 15 n/a
June 33 24 6 16 n/a
July 32 25 5 17 n/a
August 32 25 5 17 n/a
September 31 24 5 19 n/a
October 31 24 6 17 n/a
November 30 23 8 9 n/a
December 30 22 9 4 n/a
= 0-5 mm ● = 6-30 mm ● = 31-60 mm ● = 61-100 mm ● = 101-200 mm ● = over 200 mm
= 0-2 inches ● = 2-12 inches ● = 12-24 inches ● = 25-40 inches ● = 41-80 inches ● = over 80 inches

More climate information
Climate figures are very useful but don’t present a general impression of the climate and the eventual weather circumstances within a certain period. The figures don’t always reflect the chance of wintry weather, extreme heat or hurricanes. That is why we offer useful extra climate information for each month of the year:

chance of
(very) hot


chance of
(very) cool
chance of

chance of
chance of
sunny days


click here for the explanation of the symbols


The information at this site was carefully composed from climate data collected by meteorological services, meteorological offices, climate experts and other sources. “More climate info” is based on statistics, climate data and personal experience. No rights can be derived from this site. Weather has no memory and gives no guaranties. Nothing is as changeable and unpredictable as the weather. The authors of this site feel in no way responsible for any damages caused by misinterpretation or other circumstances that may influence your holiday or trip to a certain destination. We provide information, it’s up to the reader to use it to it’s benefit.


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