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 87.0°F. The highest and lowest sea temperatures during the month were 87.6°F and 85.5°F.
Monthly sea water temperature in Samui, °F
Which Thailand resorts have warmest sea in May?
| Place name | May 2026 | May 2025 |
|---|---|---|
| Trat | 88.5°F | 87.9°F |
| Rayong | 88.3°F | 87.9°F |
| Hat Yai | 88.3°F | 87.4°F |
| Koh Chang | 88.3°F | 87.7°F |
| Samet | 88.2°F | 88.0°F |
| Cha-am | 88.1°F | 87.6°F |
| Ko Wai | 88.1°F | 87.8°F |
| Ko Li Pe | 88.0°F | 86.9°F |
| Bangkok | 87.9°F | 87.3°F |
| Jomtien | 87.9°F | 87.3°F |
| Ko Mak | 87.9°F | 87.8°F |
| Koh Lanta | 87.9°F | 86.6°F |
| Koh Kood | 87.9°F | 87.7°F |
| Pattaya | 87.9°F | 87.3°F |
| Koh Lan | 87.9°F | 87.3°F |
| Hua Hin | 87.8°F | 87.7°F |
| Phi Phi | 87.8°F | 86.7°F |
| Krabi | 87.8°F | 86.7°F |
| Cape Panwa | 87.6°F | 87.0°F |
| Mai Khao Beach | 87.5°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: 10:17
June 06, saturday
1200

86°F
E
12 mph
12 mph
1500

88°F
NE
9 mph
9 mph
1800

86°F
N
7 mph
7 mph
2100

86°F
E
15 mph
15 mph
June 07, sunday
0000

86°F
E
16 mph
16 mph
0300

84°F
E
17 mph
17 mph
0600

84°F
NE
16 mph
16 mph
0900

84°F
NE
12 mph
12 mph



























