Current sea water temperature:
+82.8°F
| Minimum sea water temperature in December: | 86.0°F |
| Maximum sea water temperature in December: | 79.9°F |
| Average sea water temperature in December: | 82.9°F |
| more information | |
14 days
forecast
forecast
| Samui |
monthly
weather
weather
| Samui |
Sea water temperature for the last 10 days:
| December 24 | 82.8°F | December 19 | 82.0°F |
| December 23 | 82.2°F | December 18 | 81.7°F |
| December 22 | 82.2°F | December 17 | 81.3°F |
| December 21 | 82.0°F | December 16 | 81.3°F |
| December 20 | 81.9°F | December 15 | 80.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Samui?
Based on the data about daily sea water temperature for the last three years the warmest sea in Samui was noticed in May, April and June.
Monthly Sea Temperatures in Samui, °F
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 87.1°F. The highest and lowest sea temperatures during the month were 87.6°F and 86.5°F.
Sea water temperature in April, °F
Show year:
2025
2024
2023
The average sea water temperature in April of 2025 was 86.4°F. The highest and lowest sea temperatures during the month were 88.3°F and 84.6°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 86.1°F. The highest and lowest sea temperatures during the month were 86.9°F and 85.1°F.
current
weather
weather
| Samui |
weather in
December
December
| Samui |
Best time for vacation in Samui
Samui on a weather map
Places in Thailand:
Name
°F
24 Hours Forecast
Samui
Local time: 13:31
December 25, thursday
1500
81°F
S
9 mph
9 mph
1800
82°F
SW
9 mph
9 mph
2100
82°F
SW
5 mph
5 mph
December 26, friday
0000
82°F
S
1 mph
1 mph
0300
81°F
W
2 mph
2 mph
0600
82°F
W
4 mph
4 mph
0900
81°F
W
7 mph
7 mph
1200
79°F
NW
9 mph
9 mph
