World Resorts Thailand Koh Lanta Weather

Koh Lanta Sea Temperature in December

Average sea water temperature in December:
+83.8°F
Minimum sea water temperature in December: 86.2°F
Maximum sea water temperature in December: 81.1°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 83.4°F. The highest and lowest sea temperatures during the month were 84.2°F and 82.8°F.

Monthly sea water temperature in Koh Lanta, °F

Which Thailand resorts have warmest sea in December?

Place name December 2025 December 2024
Ko Li Pe 84.1°F 85.0°F
Khao Lak 83.8°F 84.2°F
Karon Beach 83.5°F 84.4°F
Kata Beach 83.5°F 84.4°F
Patong Beach 83.5°F 84.4°F
Krabi 83.5°F 84.0°F
Kamala Beach 83.5°F 84.3°F
Bang Tao Beach 83.5°F 84.3°F
Surin Beach 83.5°F 84.3°F
Rawai Beach 83.5°F 84.5°F
Nai Harn Beach 83.5°F 84.5°F
Kalim Beach 83.5°F 84.4°F
Mai Khao Beach 83.5°F 84.2°F
Phi Phi 83.5°F 84.4°F
Nai Yang Beach 83.5°F 84.2°F
Koh Lanta 83.4°F 83.9°F
Similan 83.4°F 84.3°F
Phuket 83.4°F 84.2°F
Cape Panwa 83.3°F 84.3°F
Koh Kood 82.9°F 84.2°F

Best time for vacation in Koh Lanta

Sunniest months:
March 21 days
February 18 days
April 16 days
Warmest months:
April 88.2 °F
May 88.1 °F
March 88.0 °F
Warmest sea temp:
April 87.3 °F
May 87.3 °F
June 86.3 °F
Coldest months:
November 85.6 °F
September 85.7 °F
October 85.8 °F
Rainiest months:
September 14 days
October 14 days
May 13 days
Windiest months:
September 11.7 mph
August 11.1 mph
July 11.0 mph

Koh Lanta on a weather map

Koh Lanta
+79°F
SW 12 mph
Feels like: +82°F
Precip.: 0%
Places in Thailand:
Name
°F
+81°F
+73°F
+79°F
+79°F
+81°F
+77°F
+79°F
+79°F
+77°F
+79°F
+79°F
+81°F
+73°F
+73°F
24 Hours Forecast
Koh Lanta
Local time: 00:58
December 22, monday
0300
77°F
SW
9 mph
0600
77°F
SW
11 mph
0900
79°F
SW
10 mph
1200
84°F
S
4 mph
1500
84°F
E
6 mph
1800
82°F
SE
2 mph
2100
81°F
SW
12 mph
December 23, tuesday
0000
79°F
SW
8 mph
Units of measurement: °C / °F