Average sea water temperature in December:
+82.9°F
| Minimum sea water temperature in December: | 86.0°F |
| Maximum sea water temperature in December: | 79.9°F |
Daily sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 81.6°F. The highest and lowest sea temperatures during the month were 83.1°F and 80.8°F.
Monthly sea water temperature in Samui, °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 | 83.5°F | 84.5°F |
| Rawai Beach | 83.5°F | 84.5°F |
| Patong Beach | 83.5°F | 84.4°F |
| Phi Phi | 83.5°F | 84.4°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 |
| Kalim Beach | 83.5°F | 84.4°F |
| Mai Khao Beach | 83.5°F | 84.2°F |
| Nai Yang Beach | 83.5°F | 84.2°F |
| Similan | 83.5°F | 84.3°F |
| Phuket | 83.4°F | 84.2°F |
| Cape Panwa | 83.4°F | 84.3°F |
| Koh Lanta | 83.4°F | 83.9°F |
| Koh Kood | 83.0°F | 84.2°F |
Best time for vacation in Samui
Samui on a weather map
Places in Thailand:
Name
°F
24 Hours Forecast
Samui
Local time: 22:48
December 26, friday
0000
81°F
N
1 mph
1 mph
0300
81°F
NE
1 mph
1 mph
0600
81°F
SW
1 mph
1 mph
0900
79°F
W
13 mph
13 mph
1200
79°F
NW
11 mph
11 mph
1500
79°F
W
11 mph
11 mph
1800
79°F
NW
6 mph
6 mph
2100
79°F
W
6 mph
6 mph
