The climate in Cambodia

Average daytime and nighttime temperatures

All climate diagrams on this page come from the collected data of 3 weather stations.
All data correspond to the average monthly values of the last 20 years.

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Climate zone: tropics

High humidity and hot temperatures make the weather in Cambodia pleasant at times but also tropical humid. It is warm or hot yearlong. The warmest and also rainiest greaster region is Northwest. The coldest is Cardomom and Elephant Mountains. Due to less rain, the best time for traveling is from December to April. Most precipitation falls from May to October.
Duration of daylight and sunshine in Cambodia
Compare climate with other regions or countries
Hours of sunshine per daySunshine hours per day in Cambodia
Rain days per monthRain days per month in Cambodia
Precipitation in mm/dayPrecipitation in Cambodia
Relative humidity in %Relative humidity in Cambodia
Absolute humidity in g/m³Absolute humidity in Cambodia

Temperature records of the last 70 years

The hottest temperature measured from 1949 to November 2019 was reported by the Phnom Penh Airport weather station. In March 2010, the record temperature of 40.0 °C was reported here. The hottest summer from July to September, based on all 3 weather stations in Cambodia , was recorded in 2009 with an average temperature of 29.3 °C. This average temperature will normally be measured every four to six hours, thus also including the nights. Normally, this value is 27.7 degrees Celsius. The average maximum daily temperature at that time was 33.3 °C.

The coldest day in these 70 years was reported by the Phnom Penh Airport weather station. Here the temperature dropped to 15.3 °C in January 2014. Phnom Penh Airport lies at an altitude of ten meters above sea level. The coldest winter (January to March) was in 1962 with an average temperature of 24.5 °C. In Cambodia, it is usual to have about 2.7 degrees more at 27.3 °C for this three-month period.

The most precipitation fell in August 1967. With 19.7 mm per day, the Kampot weather station recorded the highest monthly average of the last 70 years.

Data basis and methodology

The data from the individual measuring stations are based on the archives of the German Weather Service, individual values averaged and supplemented by own elements. In order to determine a representative national average, average values were first calculated for each part of the country, which were then summarized at the national level.
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