World Resorts Thailand Similan Weather

Similan Sea Temperature in December

Average sea water temperature in December:
+84.1°F
Minimum sea water temperature in December: 86.2°F
Maximum sea water temperature in December: 82.0°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 83.6°F. The highest and lowest sea temperatures during the month were 84.4°F and 82.9°F.

Monthly sea water temperature in Similan, °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 83.9°F 84.2°F
Karon Beach 83.6°F 84.4°F
Kata Beach 83.6°F 84.4°F
Krabi 83.6°F 84.0°F
Nai Harn Beach 83.6°F 84.5°F
Rawai Beach 83.6°F 84.5°F
Phi Phi 83.6°F 84.4°F
Patong Beach 83.6°F 84.4°F
Surin Beach 83.6°F 84.3°F
Bang Tao Beach 83.6°F 84.3°F
Kamala Beach 83.6°F 84.3°F
Kalim Beach 83.6°F 84.4°F
Similan 83.6°F 84.3°F
Mai Khao Beach 83.6°F 84.2°F
Nai Yang Beach 83.6°F 84.2°F
Phuket 83.5°F 84.2°F
Cape Panwa 83.5°F 84.3°F
Koh Lanta 83.5°F 83.9°F
Koh Kood 83.1°F 84.2°F

Best time for vacation in Similan

Sunniest months:
March 21 days
February 19 days
January 16 days
Warmest months:
April 89.0 °F
March 88.9 °F
May 88.1 °F
Warmest sea temp:
May 86.4 °F
April 86.2 °F
March 85.2 °F
Coldest months:
September 84.9 °F
August 85.5 °F
July 85.6 °F
Rainiest months:
July 17 days
August 15 days
October 15 days
Windiest months:
July 9.1 mph
August 8.5 mph
June 8.5 mph

Similan on a weather map

Similan
+70°F
W 6 mph
Feels like: +70°F
Precip.: 0%
Places in Thailand:
Name
°F
+72°F
+70°F
+73°F
+73°F
+77°F
+70°F
+72°F
+73°F
+70°F
+77°F
+73°F
+79°F
+70°F
+66°F
24 Hours Forecast
Similan
Local time: 06:57
January 11, sunday
0900
77°F
W
5 mph
1200
84°F
SE
2 mph
1500
82°F
E
10 mph
1800
77°F
E
3 mph
2100
75°F
W
6 mph
January 12, monday
0000
72°F
W
7 mph
0300
70°F
W
6 mph
0600
70°F
W
6 mph

Best place for vacation:

Units of measurement: °C / °F