Average sea water temperature in May:
+87.8°F
| Minimum sea water temperature in May: | 90.9°F |
| Maximum sea water temperature in May: | 84.9°F |
Daily sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 88.2°F. The highest and lowest sea temperatures during the month were 89.1°F and 87.6°F.
Monthly sea water temperature in Rayong, °F
Which Thailand resorts have warmest sea in May?
| Place name | May 2026 | May 2025 |
|---|---|---|
| Trat | 88.5°F | 87.9°F |
| Koh Chang | 88.3°F | 87.7°F |
| Hat Yai | 88.3°F | 87.4°F |
| Rayong | 88.2°F | 87.9°F |
| Koh Lanta | 88.1°F | 86.6°F |
| Ko Wai | 88.1°F | 87.8°F |
| Samet | 88.1°F | 88.0°F |
| Ko Li Pe | 88.1°F | 86.9°F |
| Phi Phi | 88.1°F | 86.7°F |
| Krabi | 88.1°F | 86.7°F |
| Cha-am | 88.0°F | 87.6°F |
| Ko Mak | 88.0°F | 87.8°F |
| Koh Kood | 87.9°F | 87.7°F |
| Cape Panwa | 87.9°F | 87.0°F |
| Bangkok | 87.9°F | 87.3°F |
| Hua Hin | 87.9°F | 87.7°F |
| Mai Khao Beach | 87.8°F | 86.4°F |
| Phuket | 87.8°F | 86.6°F |
| Nai Yang Beach | 87.8°F | 86.4°F |
| Jomtien | 87.8°F | 87.3°F |
Best time for vacation in Rayong
Rayong on a weather map
Places in Thailand:
Name
°F
24 Hours Forecast
Rayong
Local time: 21:15
May 27, wednesday
0000
84°F
E
13 mph
13 mph
0300
82°F
E
10 mph
10 mph
0600
82°F
E
8 mph
8 mph
0900
88°F
E
7 mph
7 mph
1200
91°F
NE
10 mph
10 mph
1500
91°F
NE
12 mph
12 mph
1800
86°F
NE
12 mph
12 mph
2100
86°F
NE
12 mph
12 mph
