World Resorts Thailand Koh Lanta Weather

Koh Lanta sea water temperature

Current sea water temperature:
+87.6°F
Minimum sea water temperature in October: 87.8°F
Maximum sea water temperature in October: 82.4°F
Average sea water temperature in October: 85.1°F

Sea water temperature for the last 10 days:

October 24 87.6°F October 19 87.4°F
October 23 87.6°F October 18 87.8°F
October 22 87.6°F October 17 87.3°F
October 21 87.4°F October 16 87.1°F
October 20 87.4°F October 15 86.9°F

When is the warmest sea in Koh Lanta?

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

Monthly Sea Temperatures in Koh Lanta, °F

Sea water temperature in April, °F

Show year:
2026
2025
2024

The average sea water temperature in April of 2026 was 88.7°F. The highest and lowest sea temperatures during the month were 90.3°F and 86.7°F.

Sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 87.9°F. The highest and lowest sea temperatures during the month were 89.1°F and 86.4°F.

Sea water temperature in June, °F

Show year:
2026
2025
2024

The average sea water temperature in June of 2026 was 86.6°F. The highest and lowest sea temperatures during the month were 87.6°F and 84.9°F.

Best time for vacation in Koh Lanta

Sunniest months:
March 21 days
February 18 days
April 16 days
Warmest months:
April 88.0 °F
May 87.9 °F
March 87.8 °F
Warmest sea temp:
April 87.4 °F
May 87.3 °F
June 86.3 °F
Coldest months:
September 85.5 °F
November 85.6 °F
December 85.7 °F
Rainiest months:
September 14 days
October 14 days
May 13 days
Windiest months:
September 11.7 mph
August 11.2 mph
July 11.1 mph

Koh Lanta on a weather map

Koh Lanta
+84°F
SE 14 mph
Feels like: +91°F
Precip.: 68%
Places in Thailand:
Name
°F
+82°F
+84°F
+81°F
+81°F
+81°F
+82°F
+82°F
+81°F
+81°F
+75°F
+84°F
+81°F
+84°F
+81°F
24 Hours Forecast
Koh Lanta
Local time: 03:38
October 25, sunday
0600
82°F
SE
12 mph
0900
82°F
E
12 mph
1200
82°F
E
12 mph
1500
82°F
E
14 mph
1800
82°F
SE
9 mph
2100
82°F
E
10 mph
October 26, monday
0000
82°F
NE
12 mph
0300
81°F
NE
9 mph
Units of measurement: °C / °F