Average sea water temperature in May:
+87.7°F
| Minimum sea water temperature in May: | 90.7°F |
| Maximum sea water temperature in May: | 84.4°F |
Daily sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 88.3°F. The highest and lowest sea temperatures during the month were 89.2°F and 87.4°F.
Monthly sea water temperature in Ko Wai, °F
Which Thailand resorts have warmest sea in May?
| Place name | May 2026 | May 2025 |
|---|---|---|
| Trat | 88.7°F | 87.9°F |
| Hat Yai | 88.6°F | 87.4°F |
| Koh Chang | 88.5°F | 87.7°F |
| Koh Lanta | 88.5°F | 86.6°F |
| Krabi | 88.4°F | 86.7°F |
| Phi Phi | 88.4°F | 86.7°F |
| Ko Wai | 88.3°F | 87.8°F |
| Cape Panwa | 88.3°F | 87.0°F |
| Rayong | 88.2°F | 87.9°F |
| Ko Li Pe | 88.2°F | 86.9°F |
| Phuket | 88.2°F | 86.6°F |
| Samet | 88.2°F | 88.0°F |
| Mai Khao Beach | 88.2°F | 86.4°F |
| Nai Yang Beach | 88.1°F | 86.4°F |
| Ko Mak | 88.1°F | 87.8°F |
| Kalim Beach | 88.1°F | 86.5°F |
| Surin Beach | 88.1°F | 86.5°F |
| Kamala Beach | 88.1°F | 86.5°F |
| Bang Tao Beach | 88.1°F | 86.5°F |
| Rawai Beach | 88.1°F | 86.7°F |
Best time for vacation in Ko Wai
Ko Wai on a weather map
Places in Thailand:
Name
°F
24 Hours Forecast
Ko Wai
Local time: 18:59
May 21, thursday
2100
84°F
N
12 mph
12 mph
May 22, friday
0000
84°F
N
14 mph
14 mph
0300
84°F
NE
12 mph
12 mph
0600
82°F
NE
11 mph
11 mph
0900
82°F
N
7 mph
7 mph
1200
81°F
N
6 mph
6 mph
1500
82°F
NE
12 mph
12 mph
1800
82°F
NE
9 mph
9 mph
