15.01
thu
thu
Day
79°F
NW 8 mph
Precip.
100%
100%
Night
81°F
NW 11 mph
Precip.
0%
0%
16.01
fri
fri
Day
79°F
NW 7 mph
Precip.
0%
0%
Night
81°F
NW 9 mph
Precip.
0%
0%
17.01
sat
sat
Day
79°F
NW 2 mph
Precip.
0%
0%
Night
81°F
NW 7 mph
Precip.
0%
0%
18.01
sun
sun
Day
79°F
N 4 mph
Precip.
0%
0%
Night
81°F
NW 14 mph
Precip.
0%
0%
19.01
mon
mon
Day
79°F
N 7 mph
Precip.
78%
78%
Night
81°F
NW 15 mph
Precip.
0%
0%
20.01
tue
tue
Day
81°F
N 12 mph
Precip.
0%
0%
Night
81°F
N 15 mph
Precip.
50%
50%
21.01
wed
wed
Day
79°F
N 13 mph
Precip.
100%
100%
Night
79°F
NW 14 mph
Precip.
100%
100%
22.01
thu
thu
Day
81°F
N 14 mph
Precip.
100%
100%
Night
81°F
NW 13 mph
Precip.
24%
24%
23.01
fri
fri
Day
81°F
NW 12 mph
Precip.
40%
40%
Night
81°F
NW 11 mph
Precip.
0%
0%
24.01
sat
sat
Day
81°F
NW 8 mph
Precip.
0%
0%
Night
81°F
NW 9 mph
Precip.
0%
0%
25.01
sun
sun
Day
79°F
NW 4 mph
Precip.
0%
0%
Night
81°F
NW 10 mph
Precip.
0%
0%
26.01
mon
mon
Day
79°F
NW 6 mph
Precip.
0%
0%
Night
81°F
NW 9 mph
Precip.
0%
0%
27.01
tue
tue
Day
81°F
NW 14 mph
Precip.
100%
100%
Night
81°F
NW 11 mph
Precip.
100%
100%
28.01
wed
wed
Day
81°F
NW 9 mph
Precip.
62%
62%
Night
81°F
NW 11 mph
Precip.
0%
0%
Sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 82.1°F. The highest and lowest sea temperatures during the month were 83.3°F and 81.1°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
Samui on a weather map
Places in Thailand:
Name
°F
24 Hours Forecast
Samui
Local time: 21:16
January 16, friday
0000
81°F
NW
11 mph
11 mph
0300
79°F
NW
12 mph
12 mph
0600
79°F
N
11 mph
11 mph
0900
79°F
N
9 mph
9 mph
1200
79°F
NW
7 mph
7 mph
1500
81°F
NW
8 mph
8 mph
1800
81°F
NW
9 mph
9 mph
2100
81°F
NW
8 mph
8 mph
