21.05
thu
thu
Day
88°F
N 9 mph
Precip.
78%
78%
Night
84°F
N 11 mph
Precip.
0%
0%
22.05
fri
fri
Day
86°F
N 12 mph
Precip.
0%
0%
Night
82°F
N 10 mph
Precip.
100%
100%
23.05
sat
sat
Day
90°F
NE 11 mph
Precip.
100%
100%
Night
82°F
NE 9 mph
Precip.
100%
100%
24.05
sun
sun
Day
88°F
NE 12 mph
Precip.
87%
87%
Night
84°F
NE 12 mph
Precip.
100%
100%
25.05
mon
mon
Day
90°F
NE 13 mph
Precip.
0%
0%
Night
82°F
E 14 mph
Precip.
0%
0%
26.05
tue
tue
Day
88°F
NE 12 mph
Precip.
0%
0%
Night
84°F
E 12 mph
Precip.
100%
100%
27.05
wed
wed
Day
88°F
NE 11 mph
Precip.
29%
29%
Night
84°F
NE 11 mph
Precip.
0%
0%
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.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 86.1°F. The highest and lowest sea temperatures during the month were 87.4°F and 85.5°F.
Air temperature in Rayong, °F
Precipitation total in Rayong, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Rayong
Rayong on a weather map
Places in Thailand:
Name
°F
24 Hours Forecast
Rayong
Local time: 19:28
May 21, thursday
2100
84°F
N
11 mph
11 mph
May 22, friday
0000
84°F
N
11 mph
11 mph
0300
82°F
N
10 mph
10 mph
0600
81°F
N
9 mph
9 mph
0900
81°F
N
9 mph
9 mph
1200
86°F
N
12 mph
12 mph
1500
86°F
N
11 mph
11 mph
1800
84°F
N
9 mph
9 mph
