Measurements:
°C
°F
Rayong
84°F
E 8 mph
Feels like: 90°F
Precip: 15%
World Resorts Thailand Rayong Weather

Rayong Sea Water Temperature

Current Sea Water Temperature:
+89.2°F
Maximum Sea Water Temperature in September: 92.0°F
Minimum Sea Water Temperature in September: 85.8°F
Average water temperature in September: 88.4°F

Sea Water Temperature for the Last 10 Days:

September 08 89.2°F September 03 88.6°F
September 07 88.8°F September 02 88.4°F
September 06 89.0°F September 01 88.4°F
September 05 88.6°F August 31 88.2°F
September 04 88.4°F August 30 88.6°F

When is the Warmest Sea for Rayong?

According to our data for the last three years for Rayong the highest average sea water temperature was in May, April and June.

Average Water Temperature by Month, °F

Sea Water Temperature in May

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Rayong was 92.6°F. The maximum and minimum values were 91.8°F and 94.0°F respectively.

Sea Water Temperature in April

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Rayong was 92.2°F. The maximum and minimum values were 91.0°F and 93.2°F respectively.

Sea Water Temperature in June

Select Year: 2026 2025 2024

The average sea surface temperature in June 2026 for Rayong was 91.6°F. The maximum and minimum values were 90.0°F and 93.4°F respectively.

Best Time to Visit Rayong
The most sunny months:
January 23 days
December 22 days
March 20 days
The most warm months:
May 95.1 °F
April 95.1 °F
June 93.3 °F
Warmest sea temperature:
May 92.0 °F
April 91.2 °F
June 90.3 °F
The most cold months:
December 90.7 °F
September 91.1 °F
January 91.5 °F
The most rainy months:
September 15 days
July 14 days
June 14 days
The most windy months:
July 11 mph
June 11 mph
August 11 mph

Rayong on the Weather Map

Thailand Resorts:
NAME
Bang Tao Beach +84
Bangkok +86
Cape Panwa +84
Hua Hin +84
Karon Beach +84
Kata Beach +84
Khao Lak +82
Koh Chang +86
Nai Yang Beach +84
Pattaya +82
Phangan +86
Phi Phi +86
Phuket +84
Samet +86
Samui +86
24 Hours Weather Forecast
Rayong
Local time: 04:02
09 sep, wednesday
0600 84°F
E
7 mph
0900 90°F
E
9 mph
1200 96°F
NE
11 mph
1500 98°F
NE
8 mph
1800 90°F
NE
9 mph
2100 90°F
NE
7 mph
10 sep, thursday
0000 86°F
E
11 mph
0300 84°F
E
8 mph