Average sea water temperature in May:
+87.4°F
| Minimum sea water temperature in May: | 90.1°F |
| Maximum sea water temperature in May: | 84.2°F |
Daily sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 87.2°F. The highest and lowest sea temperatures during the month were 87.6°F and 86.5°F.
Monthly sea water temperature in Samui, °F
Which Thailand resorts have warmest sea in May?
| Place name | May 2026 | May 2025 |
|---|---|---|
| Trat | 88.8°F | 87.9°F |
| Hat Yai | 88.7°F | 87.4°F |
| Krabi | 88.7°F | 86.7°F |
| Koh Chang | 88.7°F | 87.7°F |
| Koh Lanta | 88.7°F | 86.6°F |
| Phi Phi | 88.6°F | 86.7°F |
| Cape Panwa | 88.5°F | 87.0°F |
| Ko Wai | 88.5°F | 87.8°F |
| Mai Khao Beach | 88.5°F | 86.4°F |
| Phuket | 88.4°F | 86.6°F |
| Chumphon | 88.4°F | 87.2°F |
| Nai Yang Beach | 88.4°F | 86.4°F |
| Ko Li Pe | 88.4°F | 86.9°F |
| Samet | 88.3°F | 88.0°F |
| Kalim Beach | 88.3°F | 86.5°F |
| Rayong | 88.3°F | 87.9°F |
| Kamala Beach | 88.3°F | 86.5°F |
| Bang Tao Beach | 88.3°F | 86.5°F |
| Surin Beach | 88.3°F | 86.5°F |
| Patong Beach | 88.3°F | 86.6°F |
Best time for vacation in Samui
Samui on a weather map
Places in Thailand:
Name
°F
24 Hours Forecast
Samui
Local time: 07:38
May 17, sunday
0900
84°F
E
16 mph
16 mph
1200
84°F
E
20 mph
20 mph
1500
84°F
E
21 mph
21 mph
1800
84°F
E
24 mph
24 mph
2100
84°F
E
22 mph
22 mph
May 18, monday
0000
84°F
E
20 mph
20 mph
0300
84°F
E
16 mph
16 mph
0600
82°F
E
16 mph
16 mph
