Measurements:
°C
°F
Samui
82°F
SW 13 mph
Feels like: 86°F
Precip: 100%
World Resorts Thailand Samui Weather

7 Day Weather Forecast

01.09
fri
DAY
82°F
SW 12 mph
precip
100%
NIGHT
82°F
SW 10 mph
precip
83%
01.10
sat
DAY
82°F
SW 8 mph
precip
0%
NIGHT
82°F
W 7 mph
precip
0%
01.11
sun
DAY
82°F
SW 7 mph
precip
0%
NIGHT
82°F
W 7 mph
precip
0%
01.12
mon
DAY
82°F
W 4 mph
precip
0%
NIGHT
84°F
W 5 mph
precip
0%
01.13
tue
DAY
84°F
SW 7 mph
precip
0%
NIGHT
84°F
W 4 mph
precip
0%
01.14
wed
DAY
84°F
NW 4 mph
precip
0%
NIGHT
84°F
NW 8 mph
precip
0%
01.15
thu
DAY
82°F
NE 2 mph
precip
0%
NIGHT
84°F
NW 9 mph
precip
51%

Samui Sea Water Temperature in January, °F

Select Year: 2025 2024 2023

The average sea surface temperature in January 2025 for Samui was 27.5°F. The maximum and minimum values were 26.9°F and 28.0°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 86.9 °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