World Resorts Thailand Koh Chang Weather

Koh Chang sea water temperature

Current sea water temperature:
+88.5°F
Minimum sea water temperature in May: 90.9°F
Maximum sea water temperature in May: 84.6°F
Average sea water temperature in May: 87.7°F

Sea water temperature for the last 10 days:

May 16 88.5°F May 11 88.7°F
May 15 88.3°F May 10 89.1°F
May 14 88.7°F May 9 88.5°F
May 13 88.3°F May 8 88.3°F
May 12 88.3°F May 7 88.9°F

When is the warmest sea in Koh Chang?

Based on the data about daily sea water temperature for the last three years the warmest sea in Koh Chang was noticed in May, April and June.

Monthly Sea Temperatures in Koh Chang, °F

Sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 88.7°F. The highest and lowest sea temperatures during the month were 89.6°F and 88.2°F.

Sea water temperature in April, °F

Show year:
2026
2025
2024

The average sea water temperature in April of 2026 was 88.1°F. The highest and lowest sea temperatures during the month were 89.8°F and 86.7°F.

Sea water temperature in June, °F

Show year:
2025
2024
2023

The average sea water temperature in June of 2025 was 85.6°F. The highest and lowest sea temperatures during the month were 87.6°F and 84.4°F.

Best time for vacation in Koh Chang

Sunniest months:
January 22 days
December 21 days
February 16 days
Warmest months:
May 88.9 °F
April 88.2 °F
June 87.1 °F
Warmest sea temp:
May 87.7 °F
April 87.2 °F
June 85.8 °F
Coldest months:
January 84.4 °F
February 85.1 °F
December 85.1 °F
Rainiest months:
July 22 days
August 21 days
June 20 days
Windiest months:
July 11.1 mph
August 10.3 mph
June 9.9 mph

Koh Chang on a weather map

Koh Chang
+84°F
E 11 mph
Feels like: +91°F
Precip.: 100%
Places in Thailand:
Name
°F
+90°F
+82°F
+82°F
+82°F
+86°F
+84°F
+84°F
+82°F
+86°F
+84°F
+82°F
+84°F
+88°F
24 Hours Forecast
Koh Chang
Local time: 08:38
May 17, sunday
0900
84°F
E
11 mph
1200
84°F
E
14 mph
1500
84°F
E
14 mph
1800
84°F
E
12 mph
2100
84°F
E
14 mph
May 18, monday
0000
84°F
E
14 mph
0300
82°F
E
12 mph
0600
82°F
E
13 mph
Units of measurement: °C / °F