World Resorts Thailand Samui Weather

Samui 14 Days Forecast

25.10
sun
Day
84°F
S 1 mph
Precip.
17%
Night
84°F
W 3 mph
Precip.
64%
26.10
mon
Day
84°F
NW 7 mph
Precip.
57%
Night
84°F
NW 8 mph
Precip.
16%
27.10
tue
Day
82°F
SW 2 mph
Precip.
16%
Night
75°F
SE 2 mph
Precip.
85%
28.10
wed
Day
79°F
S 17 mph
Precip.
86%
Night
79°F
SE 11 mph
Precip.
74%
29.10
thu
Day
81°F
SE 11 mph
Precip.
57%
Night
81°F
W 2 mph
Precip.
56%
30.10
fri
Day
81°F
W 4 mph
Precip.
62%
Night
81°F
SW 5 mph
Precip.
45%
31.10
sat
Day
82°F
W 9 mph
Precip.
40%
Night
82°F
W 7 mph
Precip.
19%
01.11
sun
Day
82°F
W 3 mph
Precip.
51%
Night
81°F
NW 3 mph
Precip.
46%
02.11
mon
Day
82°F
NW 3 mph
Precip.
36%
Night
81°F
W 3 mph
Precip.
56%
03.11
tue
Day
81°F
W 6 mph
Precip.
46%
Night
81°F
W 7 mph
Precip.
49%
04.11
wed
Day
81°F
W 6 mph
Precip.
55%
Night
82°F
W 7 mph
Precip.
36%
05.11
thu
Day
82°F
W 7 mph
Precip.
39%
Night
81°F
W 4 mph
Precip.
54%
06.11
fri
Day
82°F
W 6 mph
Precip.
32%
Night
82°F
W 5 mph
Precip.
27%

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

Sunniest months:
April 18 days
May 14 days
March 14 days
Warmest months:
May 88.1 °F
June 87.6 °F
July 86.9 °F
Warmest sea temp:
May 87.4 °F
April 86.6 °F
June 86.5 °F
Coldest months:
January 83.0 °F
February 83.3 °F
December 83.6 °F
Rainiest months:
November 15 days
October 11 days
December 9 days
Windiest months:
July 12.4 mph
September 12.0 mph
August 11.7 mph

Samui on a weather map

Samui
+84°F
SE 4 mph
Feels like: +91°F
Precip.: 34%
Places in Thailand:
Name
°F
+81°F
+84°F
+81°F
+81°F
+81°F
+82°F
+82°F
+79°F
+81°F
+75°F
+84°F
+81°F
+84°F
+81°F
24 Hours Forecast
Samui
Local time: 01:40
October 25, sunday
0300
84°F
SE
4 mph
0600
84°F
S
1 mph
0900
82°F
SW
1 mph
1200
84°F
S
1 mph
1500
84°F
S
2 mph
1800
84°F
SW
3 mph
2100
84°F
W
5 mph
October 26, monday
0000
84°F
W
3 mph
Units of measurement: °C / °F