In 2018 the weather on Koh Rong has been a little unpredictable. Firstly, we had a few short bursts of heavy rain randomly spread out throughout the peak season (middle of November to the start of May). The rain was very rare, so it shouldn’t affect your trip here if you’re planning to come next peak season (November 2018).
Secondly, on some days the weather forecast predicted rain, but it was actually very sunny, while on other days the weather forecast predicted a lot of sun, when instead it rained.
To conclude – Just come over, we promise you’ll have a great time!
(If you’re planning a trip to Koh Rong or to Koh Rong Samloem, please bookmark this page as we will regularly update it with the latest weather information)
Best Time to Visit Koh Rong
We would still say that the best time to visit Koh Rong and its sister island Koh Rong Samloem is between the middle of November and the start of May. During these months you’ll have beautiful hot days with very little cloud and low humidity. Take a look at these videos to see how spectacular Koh Rong is during peak season:
One thing to note is that, although it is wonderfully hot throughout the peak season, there are several advantages of visiting Koh Rong during the rainy season.
For example, those that visit during the rainy season get to enjoy half-priced accommodation and beautiful rainy scenes, and because it never gets too cold in Cambodia, swimming in the ocean is still a very pleasurable experience (the water rarely drops beneath 25°C). Take a look at this article for more information: 5 Reasons to Visit Koh Rong in Rainy Season
Average Temperatures on Koh Rong
To give you a rough idea of the average temperatures over this past year:
Middle of November / December / January / February: Warm and dry. 25°C daytime.
March / April / May: Hot and dry. 35°C daytime.
June / July / August: Hot and wet. 35°C daytime.
September / October / Early November: Warm and wet. 25°C daytime.
Koh Rong’s Climate Over Time
In general, Koh Rong’s weather patterns tend to be consistent over time, being strongly dependent on the direction of the wind and Koh Rong’s close proximity to the equator in the Gulf of Thailand. (Because the two islands are very close to each other, Koh Rong Samloem’s weather patterns are identical).
Between the end of November and the start of March the hot dry weather comes from the north-east direction, while between June and September the rain and wind come from the south-west.
The average monthly maximum temperature in the above charts is the average air temperature in shaded areas. As such, Koh Rong temperatures in direct sunlight are much higher.
Although the temperatures on Koh Rong do not vary much over the course of a year, humidity on the island varies significantly, with April and May being particularly humid and December and January very dry.
The amount of sunshine on Koh Rong and on Koh Rong Samloem is very dependent on the season, with the dry season having significantly more sun than the rainy season.
Images courtesy of www.weather-guide.com
Q: When is the best time to visit Koh Rong?
A: The best time to visit Koh Rong is between the middle of November and the start of May. During these months you’ll have beautiful hot days with very little cloud and low humidity.
Q: When is the rainy season on Koh Rong?
A: The rainy season on Koh Rong is from the middle of May to early November. During these months there will be short bursts of heavy rain during the day.
Q: What is the weather like on Koh Rong in October?
A: In October, the weather on Koh Rong should be warm but wet, with an average temperature of 25°C daytime.
Q: What is the weather like on Koh Rong in February?
A: At the start of February, the weather on Koh Rong should be warm and dry, with an average temperature of 25°C during the day. As the month progresses, it should start to get gradually hotter, reaching temperatures of 35°C by the end of the month.
Q: What is the weather like on Koh Rong in July?
A: The weather on Koh Rong in July should be hot and wet, with an average temperature of 35°C daytime. Expect short bursts of heavy rain during the day.
Q: What is the weather like on Koh Rong in August?
A: At the start of August, the weather on Koh Rong should be hot but wet, with an average daytime temperature of 35°C. The weather will start to cool throughout the month, reaching temperatures of 25°C by the end. Similarly to July, expect short bursts of heavy rain during the day throughout the whole month.
Useful Resource: accuweather.com