World Resorts Thailand Samui Weather

Samui 7 Days Forecast

11.01
sun
Day
79°F
W 9 mph
Precip.
0%
Night
79°F
W 6 mph
Precip.
0%
12.01
mon
Day
79°F
SW 6 mph
Precip.
0%
Night
79°F
W 6 mph
Precip.
0%
13.01
tue
Day
79°F
W 5 mph
Precip.
0%
Night
81°F
NW 5 mph
Precip.
0%
14.01
wed
Day
81°F
W 5 mph
Precip.
0%
Night
81°F
NW 7 mph
Precip.
0%
15.01
thu
Day
81°F
NW 4 mph
Precip.
0%
Night
81°F
N 11 mph
Precip.
0%
16.01
fri
Day
79°F
N 4 mph
Precip.
24%
Night
81°F
NW 11 mph
Precip.
0%
17.01
sat
Day
81°F
NW 9 mph
Precip.
20%
Night
81°F
NW 12 mph
Precip.
0%

Sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 81.6°F. The highest and lowest sea temperatures during the month were 82.4°F and 80.4°F.

Air temperature in Samui, °F

Precipitation total in Samui, in.

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

Best time for vacation in Samui

Sunniest months:
April 17 days
March 15 days
May 14 days
Warmest months:
May 88.3 °F
June 87.8 °F
July 87.1 °F
Warmest sea temp:
May 87.4 °F
April 86.5 °F
June 86.5 °F
Coldest months:
January 83.2 °F
February 83.5 °F
December 83.6 °F
Rainiest months:
November 15 days
October 11 days
December 9 days
Windiest months:
July 12.3 mph
September 11.9 mph
December 11.6 mph

Samui on a weather map

Current weather
06:54
Samui
+79°F
W 9 mph
Feels like: +81°F
Precip.: 79%
Places in Thailand:
Name
°F
Bang Tao Beach
+73°F
Bangkok
+72°F
Khao Lak
+70°F
Karon Beach
+73°F
Kata Beach
+73°F
Ko Li Pe
+77°F
Samet
+70°F
Koh Chang
+72°F
Patong Beach
+73°F
Pattaya
+70°F
Phi Phi
+77°F
Phuket
+73°F
Samui
+79°F
Similan
+70°F
Hua Hin
+66°F
all places
24 Hours Forecast
Samui
Local time: 06:54
January 11, sunday
0900
79°F
W
9 mph
1200
79°F
W
9 mph
1500
79°F
W
9 mph
1800
79°F
W
9 mph
2100
79°F
W
9 mph
January 12, monday
0000
79°F
W
6 mph
0300
79°F
W
4 mph
0600
79°F
W
5 mph
Units of measurement: °C / °F