ClimateForecastDecemberJanuary >>

Koh Rong Island Climate by Month

Koh Rong Island maintains a fairly consistent warm average temperature. It is also known for its large amounts of rainfall. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

The climate in Koh Rong Island remains fairly constant, offering comfortable temperatures throughout the year. Typically, daytime temperatures range from a very warm 30°C in April to a comfortable 29°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to 26°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Koh Rong Island is known for its substantial rainfall, with annual precipitation reaching 3214 mm. The climate in Koh Rong Island shows significant variation throughout the year. Expect heavy rainfall in July, with an average of 538 mm of precipitation over 20 rainy days. In contrast, January offers drier and sunnier days, with around 40 mm of rainfall over 5 rainy days.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

For those who appreciate different seasons, Koh Rong Island serves as an ideal destination. Expect longer, more sun-filled days in January with an average of 9.0 hours of sunshine daily, and embrace the darker days in September, offering only 4.9 hours of daily sunlight.

Monthly hours of sunshine

Data from: Sihanoukville, Cambodia (32 KM, 20 Miles).

Daily hours of sunshine

Data from: Sihanoukville, Cambodia (32 KM, 20 Miles).

The best time of year to visit Koh Rong Island in Cambodia

Koh Rong Island has high temperatures year round ranging between 28°C and 30°C.
The best time to visit is during the drier months: January, February and December.

Other facts from our historical weather data:
  • When is the rainy season in Koh Rong Island?
    Rainy season in Koh Rong Island occurs in the months of May, June, July, August, September and October.
  • Which is the hottest month in Koh Rong Island?
    April has an average maximum temperature of 30°C and is the hottest month of the year.
  • Which is the coolest month in Koh Rong Island?
    The coolest month is January with an average maximum temperature of 29°C.
  • Which is the wettest month in Koh Rong Island?
    July tops the wettest month list with 538 mm of rainfall.
  • Which is the driest month in Koh Rong Island?
    January is the driest month with 40 mm of precipitation.
  • Which is the sunniest month in Koh Rong Island?
    January is the sunniest month with an average of 270 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Koh Rong Island

    Wed   Dec 04
    32°C | 27°C
    S 18 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Thu   Dec 05
    31°C | 27°C
    NE 18 km/h
    1.7 mm
    partly cloudy and  chance of slight rain

    partly cloudy and chance of slight rain

    Fri   Dec 06
    31°C | 26°C
    NE 14 km/h
    7.8 mm
    almost clear and rain

    almost clear and rain