Measurements:
°C
°F
Surat Thani
86°F
SW 10 mph
Feels like: 94°F
Precip: 100%
World Resorts Thailand Surat Thani Weather

Surat Thani Sea Water Temperature

Current Sea Water Temperature:
+84.6°F
Maximum Sea Water Temperature in December: 89.0°F
Minimum Sea Water Temperature in December: 82.6°F
Average water temperature in December: 85.7°F

Sea Water Temperature for the Last 10 Days:

December 05 84.6°F November 30 85.4°F
December 04 84.4°F November 29 86.0°F
December 03 84.8°F November 28 86.0°F
December 02 85.4°F November 27 86.0°F
December 01 85.6°F November 26 86.2°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 May, April and June.

Average Water Temperature by Month, °F

Sea Water Temperature in May

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Surat Thani was 91.2°F. The maximum and minimum values were 90.2°F and 92.8°F respectively.

Sea Water Temperature in April

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for Surat Thani was 91.3°F. The maximum and minimum values were 90.0°F and 92.4°F respectively.

Sea Water Temperature in June

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for Surat Thani was 89.8°F. The maximum and minimum values were 89.2°F and 90.2°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 96.2 °F
May 95.9 °F
Warmest sea temperature:
May 91.3 °F
April 91.3 °F
June 89.9 °F
The most cold months:
December 88.9 °F
January 89.7 °F
November 90.3 °F
The most rainy months:
May 15 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 +86
Bangkok +84
Karon Beach +86
Kata Beach +86
Khao Lak +84
Ko Li Pe +86
Koh Chang +86
Krabi +86
Patong Beach +86
Pattaya +86
Phi Phi +86
Phuket +86
Samet +86
Samui +84
Similan +84
24 Hours Weather Forecast
Surat Thani
Local time: 16:03
05 dec, friday
1800 82°F
W
9 mph
2100 80°F
W
8 mph
06 dec, saturday
0000 78°F
NW
4 mph
0300 78°F
NW
3 mph
0600 78°F
NW
2 mph
0900 84°F
W
5 mph
1200 88°F
W
9 mph
1500 88°F
SW
12 mph