Average sea water temperature in April:
+86.6°F
| Minimum sea water temperature in April: | 89.6°F |
| Maximum sea water temperature in April: | 82.6°F |
Daily 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.
Monthly sea water temperature in Samui, °F
Which Thailand resorts have warmest sea in April?
| Place name | April 2026 | April 2025 |
|---|---|---|
| Koh Lanta | 88.7°F | 87.4°F |
| Trat | 88.4°F | 87.6°F |
| Krabi | 88.4°F | 87.2°F |
| Chumphon | 88.2°F | 86.8°F |
| Koh Chang | 88.1°F | 86.8°F |
| Hat Yai | 88.1°F | 87.2°F |
| Ko Wai | 88.1°F | 86.6°F |
| Ko Mak | 88.1°F | 86.4°F |
| Samet | 88.0°F | 86.9°F |
| Rayong | 88.0°F | 86.9°F |
| Koh Kood | 87.9°F | 86.7°F |
| Surat Thani | 87.7°F | 87.2°F |
| Cha-am | 87.6°F | 87.1°F |
| Pattaya | 87.5°F | 86.2°F |
| Jomtien | 87.5°F | 86.2°F |
| Hua Hin | 87.4°F | 86.8°F |
| Phi Phi | 87.4°F | 86.8°F |
| Cape Panwa | 87.3°F | 86.3°F |
| Ko Li Pe | 87.2°F | 86.4°F |
| Phuket | 87.2°F | 86.4°F |
Best time for vacation in Samui
Samui on a weather map
Places in Thailand:
Name
°F
24 Hours Forecast
Samui
Local time: 07:40
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
