Measurements:
°C
°F
CURRENT WEATHER
03:33
Samui
88°F
N 10 mph
Feels like: 94°F
Precip: 0%
World Resorts Thailand Samui Weather

7 Day Weather Forecast

04.24
fri
DAY
88°F
NW 7 mph
precip
0%
NIGHT
88°F
NW 8 mph
precip
0%
04.25
sat
DAY
88°F
NW 6 mph
precip
0%
NIGHT
88°F
NW 12 mph
precip
0%
04.26
sun
DAY
88°F
NW 8 mph
precip
0%
NIGHT
88°F
NW 12 mph
precip
0%
04.27
mon
DAY
88°F
NW 11 mph
precip
0%
NIGHT
90°F
N 12 mph
precip
0%
04.28
tue
DAY
88°F
E 2 mph
precip
0%
NIGHT
90°F
N 11 mph
precip
0%
04.29
wed
DAY
88°F
SE 4 mph
precip
0%
NIGHT
90°F
N 8 mph
precip
0%
04.30
thu
DAY
88°F
SE 7 mph
precip
100%
NIGHT
88°F
E 5 mph
precip
100%

Samui Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Samui was 30.4°F. The maximum and minimum values were 29.1°F and 30.9°F respectively.

Samui on the Weather Map

Best Time to Visit Samui
The most sunny months:
April 17 days
May 14 days
March 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 87.0 °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