Current sea water temperature:
+82.0°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 4 | 82.0°F | November 29 | 81.7°F |
| December 3 | 81.3°F | November 28 | 81.7°F |
| December 2 | 81.1°F | November 27 | 82.0°F |
| December 1 | 80.8°F | November 26 | 82.0°F |
| November 30 | 80.6°F | November 25 | 82.0°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: 10:54
December 05, friday
1200

81°F
NW
7 mph
7 mph
1500

81°F
NW
14 mph
14 mph
1800

82°F
W
16 mph
16 mph
2100

81°F
NW
15 mph
15 mph
December 06, saturday
0000

81°F
NW
12 mph
12 mph
0300

81°F
W
14 mph
14 mph
0600

81°F
W
12 mph
12 mph
0900

81°F
W
14 mph
14 mph


























