Measurements:
°C
°F
CURRENT WEATHER
12:46
Samui
82°F
NW 14 mph
Feels like: 86°F
Precip: 0%
World Resorts Thailand Samui Weather

7 Day Weather Forecast

01.30
fri
DAY
82°F
NW 14 mph
precip
0%
NIGHT
82°F
NW 12 mph
precip
0%
01.31
sat
DAY
82°F
NW 10 mph
precip
73%
NIGHT
82°F
NW 12 mph
precip
0%
02.01
sun
DAY
84°F
NW 13 mph
precip
100%
NIGHT
84°F
NW 12 mph
precip
0%
02.02
mon
DAY
82°F
NW 16 mph
precip
83%
NIGHT
84°F
NW 16 mph
precip
0%
02.03
tue
DAY
84°F
NW 17 mph
precip
80%
NIGHT
82°F
NW 12 mph
precip
0%
02.04
wed
DAY
84°F
NW 6 mph
precip
0%
NIGHT
84°F
NW 7 mph
precip
0%
02.05
thu
DAY
84°F
NW 9 mph
precip
0%
NIGHT
84°F
NW 6 mph
precip
0%

Samui Sea Water Temperature in January, °F

Select Year: 2026 2025 2024

The average sea surface temperature in January 2026 for Samui was 27.8°F. The maximum and minimum values were 27.3°F and 28.5°F respectively.

Samui on the Weather Map

Best Time to Visit Samui
The most sunny months:
April 17 days
March 15 days
May 14 days
The most warm months:
May 92.6 °F
June 92.0 °F
July 91.3 °F
Warmest sea temperature:
May 91.6 °F
April 90.6 °F
June 90.6 °F
The most cold months:
January 86.7 °F
February 87.2 °F
December 87.3 °F
The most rainy months:
November 15 days
October 11 days
December 9 days
The most windy months:
July 12 mph
September 12 mph
December 11 mph
more details