Day
30 °C
Night
22 °C
Sea
28 °C
Precipitation
18 mm
in month
Rainy days
4 days
in month
Daylight
11 hours
average
Sunshine
8 hours
average
Humidity
72 %
We make the most from 40 years of historical weather data to predict the best weather conditions.
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We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.
During the week of 9 December 2024 - 15 December 2024, temperatures averaged at 28 °C (82 °F) during the day and dropped to 26 °C (79 °F) at night. Both the daily and night temperatures in Koh Rong are slightly below the long-term average, which is around 31 °C (88 °F) and 22 °C (72 °F) respectively. The average temperatures observed during different times of day (based on local time) were as below: 7am 27 °C (81 °F), 10am 27 °C (81 °F), 1pm 27 °C (81 °F), 4pm 28 °C (82 °F), 7pm 28 °C (82 °F), 10pm 27 °C (81 °F).
The week had 2 days without rain, 1 day with light rain and 4 days with moderate rain. During the whole week, total of 29 mm (1.14 in) of precipitation was observed, which is above the long term average for Koh Rong, which is 5 mm (0.20 in). The daytime hours (from dawn to dusk) had an average cloud coverage of 87 %.
Average speed of wind was 6.7 m/s. The prevailing winds blew from the North-East and East. The air pressure varied between 1004 hpa and 1013 hpa. The air in Koh Rong had an average humidity of 73 %.
During the daytime (from dawn to dusk), there were in average: 1 hour clear skies, 1 hour partially overcast skies, 8.5 hours overcast skies and 2.5 hours rainy weather. On average, the time of sunrise was 06:15, and the time of sunset was 17:46.
Koh Rong, located in the heart of Cambodia, is blessed with a tropical climate, offering a range of temperatures that vary throughout the year. Visitors can experience day temperatures oscillating between a mild 30 °C (86 °F) in the cooler months to a warm 32 °C (90 °F) peak in the warmer months. Sea temperatures invite swimmers with a spectrum from a refreshing 28 °C (82 °F) to a balmy 30 °C (86 °F). The driest month, January, sees a mere 4 days of rainfall, whereas the wettest month, August, can expect up to 24 days of rain. Nighttime brings cooler air, with temperatures ranging from 22 °C (71 °F) to 25 °C (76 °F), offering relief from the daytime heat.
The tourist season is nearing its zenith in Koh Rong. The frequency of rainy days and the volume of rainfall plummet to a low, registering at 18 mm (0.70 in). The sea temperature reaches its minimum of 28 °C (82 °F), and the nocturnal temperature drops to its lowest too in January. During this period, the wind speed peaks, reaching 3.
In February, Koh Rong's tourist season is in full swing, with the dry weather persisting. Daytime temperatures begin their gradual ascent, now reaching about 31 °C (88 °F), and the temperature at night starts to increase. A slight uptick in rainy days can be seen this month. Coinciding with this, the sun's presence is at its strongest with around 8 hours of clear skies each day.
March signals the looming end of the tourist season in Koh Rong, manifested by the increased sea temperature, now averaging 29 °C (84 °F). Concurrently, there's a noticeable rise in the daytime temperature. The quantity of rainy days inflates, now totaling 8 days of rain, and there is a discernible increase in rainfall volume as well.
April is marked by the apex of daytime heat in Koh Rong, hitting a peak at 32 °C (90 °F), while the sea temperature also ascends, now 30 °C (86 °F). The tourist season continues during this time. An upward trend in rainy days is also observed, mirroring the increase observed in the previous month.
As May rolls in, Koh Rong begins to experience the onset of the wet season. Rainy days are becoming more frequent, and the volume of rainfall rises accordingly. The sea temperature reaches its annual peak during this time.
June in Koh Rong is characterized by the continuing wet season, with a slight downturn in daytime temperatures. The sea temperature also starts to decrease, and the number of rainy days further elevates.
With July's arrival, the day temperature maintains its downward trajectory in Koh Rong. The wet season persists, and the highest amount of rainfall for the year can be observed during this month.
The wet season is at its height in Koh Rong during August, with the day temperature reaching its lowest point of the year. Additionally, this month sees the apex in the number of rainy days, but a slight decline in rainfall volume commences.
As the calendar turns to September, the decline of the rainy season becomes apparent in Koh Rong, although the number of rainy days and the amount of rainfall are still high. The days are the least sunny during this month.
October witnesses a continuation of the wet season's downturn in Koh Rong. The frequency of rainy days and rainfall volume continue their descent. Additionally, this month experiences an increase in sunny hours.
The number of rainy days keeps diminishing in Koh Rong during November, with a parallel reduction in rainfall. The tourist season discreetly commences, accompanied by a rise in sunny hours.
December sees the continuation of the tourist season in Koh Rong, as the dry season begins to establish itself. The decline in rainfall persists, and sunny hours continue to climb. A drop in night temperature can be felt.
January is an excellent time to visit Koh Rong as the weather is ideal, with daytime temperatures averaging 30 °C (87 °F), sea temperatures at a comfortable 28 °C (82 °F), and nighttime temperatures resting at a cozy 22 °C (71 °F). Minimal rainfall with only 4 days of rain per month ensures ample opportunity for uninterrupted outdoor activities.
February in Koh Rong greets visitors with slightly warmer weather, as both day and night temperatures start to climb, and a marginal increase in rainy days is noted. However, the sunny hours peak, which promises plenty of time for sun-seekers to enjoy the daylight.
In March, Koh Rong undergoes a visible transition with the sea and daytime temperatures on the rise. The increase in rainfall marks a shift in weather patterns, hinting at the approaching wet season.
April features the year's highest daytime temperatures in Koh Rong, coupled with rising sea temperatures, making it a hot spot for tourists seeking warmth. This month also continues the trend of increasing rainfall.
The climate of Koh Rong in May is significantly influenced by the commencement of the wet season, which brings about increased rainy days and higher rainfall amounts, while the sea temperature is at its warmest.
The progression into June marks a continued presence of the wet season in Koh Rong, accompanied by a reduction in both sea and daytime temperatures, while rainy days become even more prevalent.
Koh Rong in July exhibits a downward trend in day temperatures as the wet season remains, and it is this month that features the zenith of annual rainfall.
August in Koh Rong is dominated by wet season conditions, with the lowest daytime temperatures of the year, an abundance of rainy days, although a slight decrease in overall rainfall amount is also seen.
September marks the gradual retreat of the wet season in Koh Rong, with a subtle reduction in rainy days and rainfall amounts, and a low number of sunny hours further characterizes the month.
In October, Koh Rong transitions further away from the wetter months, evidenced by decreased rainy days and rainfall, while sunnier hours begin to paint the daily canvas.
November in Koh Rong indicates a winding down of the wet season, with rain becoming less frequent and a notable increase in sunny hours marking the prelude to a tourist-friendly period.
With December's arrival, Koh Rong transitions into the dry season, bringing extended sunny hours, dwindling rainfall, and the commencement of cooler nights, setting the stage for a welcoming tourist season.