Measurements:
°C
°F
Koh Rong
86°F
NE 5 mph
Feels like: 92°F
Precip: 85%
World Resorts Cambodia Koh Rong Weather

Koh Rong Sea Water Temperature

Current Sea Water Temperature:
+86.8°F
Maximum Sea Water Temperature in December: 91.2°F
Minimum Sea Water Temperature in December: 85.0°F
Average water temperature in December: 87.8°F

Sea Water Temperature for the Last 10 Days:

December 05 86.8°F November 30 86.2°F
December 04 86.8°F November 29 85.8°F
December 03 86.8°F November 28 86.6°F
December 02 86.6°F November 27 86.2°F
December 01 86.2°F November 26 87.0°F

When is the Warmest Sea for Koh Rong?

According to our data for the last three years for Koh Rong the highest average sea water temperature was in May, April and June.

Average Water Temperature by Month, °F

Sea Water Temperature in May

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Koh Rong was 92.1°F. The maximum and minimum values were 91.4°F and 92.8°F respectively.

Sea Water Temperature in April

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for Koh Rong was 90.8°F. The maximum and minimum values were 89.4°F and 92.6°F respectively.

Sea Water Temperature in June

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for Koh Rong was 89.4°F. The maximum and minimum values were 88.0°F and 91.0°F respectively.

Best Time to Visit Koh Rong
The most sunny months:
January 20 days
December 18 days
February 17 days
The most warm months:
May 93.2 °F
April 92.5 °F
June 91.4 °F
Warmest sea temperature:
May 91.7 °F
April 90.9 °F
June 89.7 °F
The most cold months:
January 88.7 °F
February 88.9 °F
September 89.2 °F
The most rainy months:
July 18 days
August 17 days
September 17 days
The most windy months:
July 12 mph
August 12 mph
September 11 mph

Koh Rong on the Weather Map

Cambodia Resorts:
NAME
Battambang +90
Koh Dek Koule +86
Koh Kong +90
Koh Rong +86
Phnom Penh +92
Siem Reap +88
Sihanoukville +86
24 Hours Weather Forecast
Koh Rong
Local time: 14:46
05 dec, friday
1500 86°F
NE
5 mph
1800 84°F
SE
2 mph
2100 84°F
SW
5 mph
06 dec, saturday
0000 82°F
SW
8 mph
0300 82°F
SW
8 mph
0600 82°F
SW
9 mph
0900 82°F
W
7 mph
1200 86°F
SW
5 mph