World Resorts Thailand Samui Weather

Samui 14 Days Forecast

24.12
wed
Day
81°F
SE 4 mph
Precip.
0%
Night
81°F
E 1 mph
Precip.
0%
25.12
thu
Day
81°F
S 4 mph
Precip.
0%
Night
81°F
W 3 mph
Precip.
0%
26.12
fri
Day
79°F
W 13 mph
Precip.
100%
Night
81°F
SW 7 mph
Precip.
100%
27.12
sat
Day
81°F
W 10 mph
Precip.
100%
Night
81°F
W 13 mph
Precip.
100%
28.12
sun
Day
81°F
NW 11 mph
Precip.
100%
Night
81°F
W 7 mph
Precip.
100%
29.12
mon
Day
81°F
W 8 mph
Precip.
63%
Night
81°F
W 9 mph
Precip.
100%
30.12
tue
Day
81°F
W 9 mph
Precip.
0%
Night
81°F
SW 6 mph
Precip.
49%
31.12
wed
Day
81°F
W 9 mph
Precip.
0%
Night
81°F
NW 8 mph
Precip.
100%
01.01
thu
Day
81°F
W 6 mph
Precip.
100%
Night
79°F
N 8 mph
Precip.
100%
02.01
fri
Day
77°F
N 9 mph
Precip.
26%
Night
79°F
N 8 mph
Precip.
100%
03.01
sat
Day
79°F
NW 11 mph
Precip.
100%
Night
79°F
W 5 mph
Precip.
82%
04.01
sun
Day
77°F
NW 12 mph
Precip.
100%
Night
81°F
NW 14 mph
Precip.
100%
05.01
mon
Day
81°F
NW 11 mph
Precip.
22%
Night
81°F
W 11 mph
Precip.
100%
06.01
tue
Day
81°F
NW 11 mph
Precip.
100%
Night
81°F
NW 9 mph
Precip.
22%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 81.5°F. The highest and lowest sea temperatures during the month were 82.2°F and 80.8°F.

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 83.8 °F
Rainiest months:
November 15 days
October 11 days
December 10 days
Windiest months:
July 12.3 mph
September 11.9 mph
December 11.8 mph

Samui on a weather map

Current weather
06:17
Samui
+81°F
SE 4 mph
Feels like: +84°F
Precip.: 0%
Places in Thailand:
Name
°F
Bang Tao Beach
+77°F
Bangkok
+77°F
Khao Lak
+73°F
Karon Beach
+77°F
Kata Beach
+77°F
Ko Li Pe
+79°F
Samet
+79°F
Koh Chang
+79°F
Patong Beach
+77°F
Pattaya
+77°F
Phi Phi
+79°F
Phuket
+77°F
Samui
+81°F
Similan
+73°F
Hua Hin
+73°F
all places
24 Hours Forecast
Samui
Local time: 06:17
December 24, wednesday
0900
81°F
SE
4 mph
1200
81°F
SE
4 mph
1500
81°F
S
5 mph
1800
81°F
S
6 mph
2100
81°F
W
2 mph
December 25, thursday
0000
81°F
E
1 mph
0300
81°F
E
4 mph
0600
81°F
SE
5 mph
Units of measurement: °C / °F