December weather forecast
Cambodia

December in Cambodia ushers in the cooler period of the dry season, with minimal rainfall and relatively mild temperatures. During this month, average temperatures hover between 22°C (71.6°F) and 30°C (86°F), offering some of the most comfortable climatic conditions of the year.

Phnom Penh, the nation's capital, experiences average high temperatures around 30°C (86°F). Siem Reap, home to the majestic Angkor Wat, sees similar temperature trends. The coastal city of Sihanoukville has temperatures ranging from 24°C (75.2°F) to 29°C (84.2°F), with the sea breeze offering a slight cooling effect.

Rainfall in December is minimal, with an average of approximately 15mm (0.59") throughout the month. Rain showers, if they occur, are rare and predominantly take place in the late afternoons or evenings. Most days in December are sunny and dry, providing ideal weather for outdoor exploration.

Compared to November, December sees a minor drop in temperatures and a significant reduction in rainfall, firmly establishing the dry season's conditions. As December transitions into January, these comfortable and dry weather conditions persist. With its mild climate and minimal rainfall, December is among the most favorable times to visit Cambodia, allowing visitors to thoroughly enjoy both the cultural and natural sights the country has to offer.

---

• Phnom Penh - December »
  In Phnom Penh during December, the rain falls for 4.8 days and regularly aggregates up to 80mm (3.15") of precipitation. December has the shortest days of the year in Phnom Penh with an average of 11h and 30min of daylight.
• Kampot - December »
  On the first day of December in Kampot sunrise is at 06:05 and sunset at 17:38. December has the shortest days of the year in Kampot, Cambodia, with an average of 11h and 30min of daylight.
• Banlung - December »
  December has the shortest days of the year in Banlung, with an average of 11h and 18min of daylight. In Banlung, in December, it is raining for 5 days, with typically 48mm (1.89") of accumulated precipitation.
• Kep - December »
  In Kep in December, during 13.2 rainfall days, 35mm (1.38") of precipitation is typically accumulated. In Kep in December, during 13.2 rainfall days, 35mm (1.38") of precipitation is typically accumulated.
• Paôy Pêt - December »
  December, known for its average high temperature of 30.5°C (86.9°F) and an average low temperature of 20.3°C (68.5°F), is the coldest month in Paôy Pêt, Cambodia. December has the shortest days of the year in Paôy Pêt, with an average of 11h and 18min of daylight.
• Pailin - December »
  In Pailin, during December, the rain falls for 7.6 days and regularly aggregates up to 16mm (0.63") of precipitation. With an average of 11h and 24min of daylight, December has the shortest days of the year in Pailin, Cambodia.
• Krong Siem Reap - December »
  December proves to be the coldest month in Krong Siem Reap recording an average maximum temperature of 30°C (86°F) and a minimum temperature of 20°C (68°F). Temperature records in Krong Siem Reap mark December as the coldest month, with highs averaging 30°C (86°F) and lows at 20°C (68°F).
• Krong Preah Sihanouk - December »
  The month with the shortest days in Krong Preah Sihanouk is December, with an average of 11h and 30min of daylight. With an average maximum UV index of 10, December is the month with the lowest UV index in Krong Preah Sihanouk, Cambodia.
• Memot - December »
  The month with the shortest days in Memot is December, with an average of 11h and 24min of daylight. The coldest months in Memot, Cambodia, are October and December, with an average high-temperature of 31.2°C (88.2°F).