Measurements:
°C
°F
Surat Thani
80°F
NE 8 mph
Feels like: 86°F
Precip: 16%
World Resorts Thailand Surat Thani Weather

Surat Thani Sea Water Temperature

Current Sea Water Temperature:
+90.0°F
Maximum Sea Water Temperature in September: 91.0°F
Minimum Sea Water Temperature in September: 85.2°F
Average water temperature in September: 88.3°F

Sea Water Temperature for the Last 10 Days:

September 08 90.0°F September 03 88.8°F
September 07 89.4°F September 02 89.0°F
September 06 89.0°F September 01 88.6°F
September 05 89.0°F August 31 89.0°F
September 04 89.0°F August 30 89.0°F

When is the Warmest Sea for Surat Thani?

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

Average Water Temperature by Month, °F

Sea Water Temperature in April

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Surat Thani was 91.8°F. The maximum and minimum values were 89.0°F and 93.0°F respectively.

Sea Water Temperature in May

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Surat Thani was 90.9°F. The maximum and minimum values were 89.8°F and 92.2°F respectively.

Sea Water Temperature in June

Select Year: 2026 2025 2024

The average sea surface temperature in June 2026 for Surat Thani was 90.7°F. The maximum and minimum values were 89.0°F and 92.0°F respectively.

Best Time to Visit Surat Thani
The most sunny months:
March 24 days
February 20 days
April 20 days
The most warm months:
April 97.6 °F
March 96.1 °F
May 95.7 °F
Warmest sea temperature:
April 91.3 °F
May 91.3 °F
June 90.0 °F
The most cold months:
December 88.7 °F
January 89.5 °F
November 90.3 °F
The most rainy months:
May 14 days
October 13 days
September 12 days
The most windy months:
December 7 mph
July 7 mph
August 7 mph

Surat Thani 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
Surat Thani
Local time: 04:02
09 sep, wednesday
0600 80°F
NE
8 mph
0900 88°F
NE
8 mph
1200 94°F
S
2 mph
1500 90°F
W
4 mph
1800 92°F
NE
6 mph
2100 86°F
NE
9 mph
10 sep, thursday
0000 82°F
NE
7 mph
0300 80°F
NE
11 mph