Measurements:
°C
°F
Koh Chang
88°F
NE 6 mph
Feels like: 94°F
Precip: 0%
World Resorts Thailand Koh Chang Weather

Koh Chang Sea Water Temperature

Current Sea Water Temperature:
+85.8°F
Maximum Sea Water Temperature in December: 91.4°F
Minimum Sea Water Temperature in December: 84.2°F
Average water temperature in December: 87.5°F

Sea Water Temperature for the Last 10 Days:

December 13 85.8°F December 08 86.4°F
December 12 85.4°F December 07 86.4°F
December 11 85.6°F December 06 86.2°F
December 10 85.6°F December 05 85.8°F
December 09 85.8°F December 04 85.8°F

When is the Warmest Sea for Koh Chang?

According to our data for the last three years for Koh Chang 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 Chang was 91.9°F. The maximum and minimum values were 90.6°F and 93.6°F respectively.

Sea Water Temperature in April

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for Koh Chang was 90.9°F. The maximum and minimum values were 88.8°F and 93.2°F respectively.

Sea Water Temperature in June

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for Koh Chang was 89.6°F. The maximum and minimum values were 88.2°F and 91.8°F respectively.

Best Time to Visit Koh Chang
The most sunny months:
January 22 days
December 21 days
February 17 days
The most warm months:
May 93.3 °F
April 92.6 °F
June 91.2 °F
Warmest sea temperature:
May 91.9 °F
April 91.2 °F
June 89.8 °F
The most cold months:
January 88.6 °F
September 89.0 °F
December 89.2 °F
The most rainy months:
July 22 days
August 21 days
June 20 days
The most windy months:
July 11 mph
August 10 mph
June 9 mph

Koh Chang on the Weather Map

Thailand Resorts:
NAME
Bang Tao Beach +82
Bangkok +94
Hua Hin +84
Karon Beach +82
Kata Beach +82
Khao Lak +88
Ko Li Pe +84
Koh Chang +88
Patong Beach +82
Pattaya +88
Phi Phi +86
Phuket +82
Samet +90
Samui +82
Similan +88
24 Hours Weather Forecast
Koh Chang
Local time: 16:17
13 dec, saturday
1800 86°F
NE
4 mph
2100 84°F
NW
2 mph
14 dec, sunday
0000 84°F
SW
2 mph
0300 84°F
SW
2 mph
0600 82°F
SW
6 mph
0900 84°F
SW
9 mph
1200 88°F
N
2 mph
1500 88°F
E
4 mph