Current sea water temperature:
+85.5°F
| Minimum sea water temperature in August: | 87.8°F |
| Maximum sea water temperature in August: | 82.8°F |
| Average sea water temperature in August: | 85.3°F |
| more information | |
14 days
forecast
forecast
| Samui |
monthly
weather
weather
| Samui |
Sea water temperature for the last 10 days:
| August 25 | 85.5°F | August 20 | 85.8°F |
| August 24 | 85.5°F | August 19 | 85.5°F |
| August 23 | 85.8°F | August 18 | 85.8°F |
| August 22 | 85.3°F | August 17 | 85.3°F |
| August 21 | 85.5°F | August 16 | 85.8°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:
2026
2025
2024
The average sea water temperature in May of 2026 was 87.0°F. The highest and lowest sea temperatures during the month were 87.6°F and 85.5°F.
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 86.8°F. The highest and lowest sea temperatures during the month were 87.6°F and 84.4°F.
Sea water temperature in June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 87.0°F. The highest and lowest sea temperatures during the month were 87.8°F and 85.5°F.
current
weather
weather
| Samui |
weather in
August
August
| Samui |
Best time for vacation in Samui
Samui on a weather map
Places in Thailand:
Name
°F
24 Hours Forecast
Samui
Local time: 20:04
August 25, tuesday
2100

84°F
E
19 mph
19 mph
August 26, wednesday
0000

82°F
E
18 mph
18 mph
0300

82°F
E
19 mph
19 mph
0600

82°F
E
19 mph
19 mph
0900

82°F
E
16 mph
16 mph
1200

82°F
SE
9 mph
9 mph
1500

84°F
E
19 mph
19 mph
1800

86°F
E
22 mph
22 mph

























