25.10
sun
sun
Day
84°F
S 1 mph
Precip.
17%
17%
Night
84°F
W 3 mph
Precip.
64%
64%
26.10
mon
mon
Day
84°F
NW 7 mph
Precip.
57%
57%
Night
84°F
NW 8 mph
Precip.
16%
16%
27.10
tue
tue
Day
82°F
SW 2 mph
Precip.
16%
16%
Night
75°F
SE 2 mph
Precip.
85%
85%
28.10
wed
wed
Day
79°F
S 17 mph
Precip.
86%
86%
Night
79°F
SE 11 mph
Precip.
74%
74%
29.10
thu
thu
Day
81°F
SE 11 mph
Precip.
57%
57%
Night
81°F
W 2 mph
Precip.
56%
56%
30.10
fri
fri
Day
81°F
W 4 mph
Precip.
62%
62%
Night
81°F
SW 5 mph
Precip.
45%
45%
31.10
sat
sat
Day
82°F
W 9 mph
Precip.
40%
40%
Night
82°F
W 7 mph
Precip.
19%
19%
Sea water temperature in October, °F
Show year:
2026
2025
2024
The average sea water temperature in October of 2026 was 86.8°F. The highest and lowest sea temperatures during the month were 87.6°F and 85.8°F.
Sea water temperature in November, °F
Show year:
2025
2024
2023
The average sea water temperature in November of 2025 was 83.3°F. The highest and lowest sea temperatures during the month were 84.4°F and 80.6°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: 02:32
October 25, sunday
0300
84°F
SE
4 mph
4 mph
0600
84°F
S
1 mph
1 mph
0900
82°F
SW
1 mph
1 mph
1200
84°F
S
1 mph
1 mph
1500
84°F
S
2 mph
2 mph
1800
84°F
SW
3 mph
3 mph
2100
84°F
W
5 mph
5 mph
October 26, monday
0000
84°F
W
3 mph
3 mph
