Koh Rong Island Weather & Climate: Best Time to Visit

The climate in Koh Rong Island remains fairly constant, offering comfortable temperatures throughout the year. Typically, average maximum daytime temperatures range from a very warm 30°C (86°F) in April to a comfortable 29°C (84°F) in the coolest month, January.

Nights vary from 27°C (81°F) in April to around 26°C (79°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Koh Rong Island is known for its substantial rainfall, with annual precipitation reaching 3214 mm (127 in). The climate in Koh Rong Island shows significant variation throughout the year. Expect heavy rainfall in July, the wettest month, with an average of 538 mm (21 in) of precipitation over 20 rainy days.

In contrast, the driest month January offers drier and sunnier days, with around 40 mm (1.6 in) of rainfall over 5 rainy days. For more details, please visit our Koh Rong Island Precipitation page.

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

The average number of days each month with precipitation

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.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine