World Resorts Thailand Surat Thani Weather

Surat Thani 7 Days Forecast

25.08
tue
Day
93°F
E 11 mph
Precip.
7%
Night
79°F
NE 9 mph
Precip.
16%
26.08
wed
Day
91°F
E 21 mph
Precip.
10%
Night
82°F
NE 13 mph
Precip.
18%
27.08
thu
Day
90°F
E 21 mph
Precip.
8%
Night
81°F
NE 11 mph
Precip.
20%
28.08
fri
Day
90°F
NE 19 mph
Precip.
17%
Night
79°F
NE 11 mph
Precip.
26%
29.08
sat
Day
84°F
NE 18 mph
Precip.
17%
Night
79°F
NE 12 mph
Precip.
22%
30.08
sun
Day
86°F
NE 21 mph
Precip.
14%
Night
79°F
NE 12 mph
Precip.
19%
31.08
mon
Day
88°F
NE 20 mph
Precip.
13%
Night
81°F
NE 12 mph
Precip.
19%

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 85.9°F. The highest and lowest sea temperatures during the month were 87.1°F and 84.9°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 84.6°F. The highest and lowest sea temperatures during the month were 85.6°F and 84.0°F.

Air temperature in Surat Thani, °F

Precipitation total in Surat Thani, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Surat Thani

Sunniest months:
March 24 days
February 20 days
April 20 days
Warmest months:
April 92.8 °F
March 91.5 °F
May 91.2 °F
Warmest sea temp:
April 87.2 °F
May 87.2 °F
June 86.0 °F
Coldest months:
December 84.8 °F
January 85.6 °F
November 86.2 °F
Rainiest months:
May 14 days
October 13 days
September 12 days
Windiest months:
December 7.8 mph
July 7.8 mph
August 7.4 mph

Surat Thani on a weather map

Surat Thani
+79°F
NE 9 mph
Feels like: +82°F
Precip.: 16%
Places in Thailand:
Name
°F
+84°F
+81°F
+81°F
+81°F
+82°F
+84°F
+81°F
+82°F
+81°F
+84°F
+81°F
+82°F
+82°F
24 Hours Forecast
Surat Thani
Local time: 23:52
August 26, wednesday
0000
79°F
NE
9 mph
0300
77°F
NE
11 mph
0600
77°F
N
10 mph
0900
86°F
NE
12 mph
1200
91°F
E
21 mph
1500
91°F
E
23 mph
1800
86°F
NE
17 mph
2100
81°F
NE
13 mph
Units of measurement: °C / °F