Measurements:
°C
°F
CURRENT WEATHER
17:01
Samui
90°F
E 17 mph
Feels like: 102°F
Precip: 100%
World Resorts Thailand Samui Weather

14 Day Weather Forecast

05.14
thu
DAY
88°F
E 12 mph
precip
100%
NIGHT
88°F
E 16 mph
precip
0%
05.15
fri
DAY
88°F
E 13 mph
precip
0%
NIGHT
88°F
E 21 mph
precip
0%
05.16
sat
DAY
90°F
E 17 mph
precip
100%
NIGHT
90°F
NE 15 mph
precip
0%
05.17
sun
DAY
88°F
E 16 mph
precip
0%
NIGHT
84°F
E 22 mph
precip
100%
05.18
mon
DAY
88°F
E 20 mph
precip
0%
NIGHT
86°F
E 24 mph
precip
100%
05.19
tue
DAY
86°F
E 27 mph
precip
100%
NIGHT
84°F
E 33 mph
precip
100%
05.20
wed
DAY
88°F
E 23 mph
precip
100%
NIGHT
88°F
E 20 mph
precip
100%
05.21
thu
DAY
90°F
NE 21 mph
precip
100%
NIGHT
90°F
NE 16 mph
precip
76%
05.22
fri
DAY
90°F
NE 13 mph
precip
100%
NIGHT
90°F
NE 11 mph
precip
0%
05.23
sat
DAY
90°F
NE 9 mph
precip
100%
NIGHT
90°F
NE 12 mph
precip
0%
05.24
sun
DAY
90°F
E 11 mph
precip
100%
NIGHT
88°F
E 17 mph
precip
21%
05.25
mon
DAY
88°F
E 17 mph
precip
100%
NIGHT
88°F
E 14 mph
precip
46%
05.26
tue
DAY
88°F
E 14 mph
precip
100%
NIGHT
88°F
E 14 mph
precip
0%
05.27
wed
DAY
88°F
E 16 mph
precip
0%
NIGHT
90°F
E 13 mph
precip
0%

Samui Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Samui was 91.3°F. The maximum and minimum values were 90.6°F and 91.8°F respectively.

Samui on the Weather Map

Best Time to Visit Samui
The most sunny months:
April 18 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
Thailand Resorts:
NAME
F°
Bang Tao Beach +86
Bangkok +98
Hua Hin +88
Karon Beach +86
Kata Beach +86
Khao Lak +86
Ko Li Pe +88
Koh Chang +90
Patong Beach +86
Pattaya +90
Phangan +90
Phi Phi +88
Phuket +86
Samet +90
Samui +90
all resorts
24 Hours Weather Forecast
Samui
Local time: 17:01
14 may, thursday
1800 90°F
E
17 mph
2100 90°F
E
14 mph
15 may, friday
0000 88°F
E
16 mph
0300 88°F
E
12 mph
0600 88°F
E
13 mph
0900 88°F
E
12 mph
1200 88°F
E
13 mph
1500 90°F
E
2 mph