World Resorts Thailand Koh Lan Weather

Koh Lan sea water temperature

Current sea water temperature:
+81.0°F
Minimum sea water temperature in December: 87.1°F
Maximum sea water temperature in December: 78.6°F
Average sea water temperature in December: 83.0°F

Sea water temperature for the last 10 days:

December 22 81.0°F December 17 81.0°F
December 21 81.1°F December 16 81.0°F
December 20 81.1°F December 15 80.8°F
December 19 81.1°F December 14 80.8°F
December 18 81.1°F December 13 81.1°F

When is the warmest sea in Koh Lan?

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

Monthly Sea Temperatures in Koh Lan, °F

Sea water temperature in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 87.3°F. The highest and lowest sea temperatures during the month were 87.8°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 86.2°F. The highest and lowest sea temperatures during the month were 87.3°F and 85.3°F.

Sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 86.1°F. The highest and lowest sea temperatures during the month were 87.6°F and 84.7°F.

Best time for vacation in Koh Lan

Sunniest months:
January 22 days
December 22 days
March 21 days
Warmest months:
April 90.1 °F
May 89.9 °F
March 88.1 °F
Warmest sea temp:
May 87.5 °F
June 86.6 °F
April 86.3 °F
Coldest months:
December 85.4 °F
January 86.0 °F
September 86.1 °F
Rainiest months:
October 15 days
September 12 days
July 10 days
Windiest months:
July 11.3 mph
June 11.2 mph
August 10.6 mph

Koh Lan on a weather map

Koh Lan
+84°F
E 11 mph
Feels like: +90°F
Precip.: 0%
Places in Thailand:
Name
°F
+95°F
+82°F
+82°F
+82°F
+81°F
+84°F
+84°F
+82°F
+86°F
+82°F
+82°F
+81°F
+82°F
+84°F
24 Hours Forecast
Koh Lan
Local time: 14:27
December 23, tuesday
1500
84°F
E
11 mph
1800
81°F
NE
6 mph
2100
81°F
SE
2 mph
December 24, wednesday
0000
79°F
S
2 mph
0300
79°F
SE
7 mph
0600
77°F
SE
6 mph
0900
81°F
SE
9 mph
1200
84°F
S
9 mph

Best place for vacation:

Units of measurement: °C / °F