World Resorts Thailand Samui Weather

Samui 14 Days Forecast

04.10
sun
Day
84°F
E 8 mph
Precip.
20%
Night
84°F
SE 12 mph
Precip.
20%
05.10
mon
Day
82°F
E 11 mph
Precip.
21%
Night
82°F
SE 6 mph
Precip.
65%
06.10
tue
Day
82°F
SE 7 mph
Precip.
68%
Night
84°F
SE 5 mph
Precip.
76%
07.10
wed
Day
84°F
SE 7 mph
Precip.
20%
Night
82°F
SE 5 mph
Precip.
64%
08.10
thu
Day
84°F
SE 9 mph
Precip.
17%
Night
82°F
E 16 mph
Precip.
21%
09.10
fri
Day
82°F
E 9 mph
Precip.
23%
Night
82°F
SE 9 mph
Precip.
49%
10.10
sat
Day
82°F
SE 7 mph
Precip.
12%
Night
84°F
NE 2 mph
Precip.
25%
11.10
sun
Day
82°F
SE 3 mph
Precip.
67%
Night
81°F
E 7 mph
Precip.
80%
12.10
mon
Day
81°F
E 2 mph
Precip.
41%
Night
81°F
E 17 mph
Precip.
23%
13.10
tue
Day
81°F
SE 4 mph
Precip.
60%
Night
81°F
E 11 mph
Precip.
77%
14.10
wed
Day
81°F
W 6 mph
Precip.
39%
Night
81°F
E 10 mph
Precip.
42%
15.10
thu
Day
81°F
SE 9 mph
Precip.
70%
Night
79°F
SE 14 mph
Precip.
75%
16.10
fri
Day
81°F
E 16 mph
Precip.
20%
Night
82°F
SE 16 mph
Precip.
19%
17.10
sat
Day
81°F
E 14 mph
Precip.
30%
Night
79°F
E 17 mph
Precip.
36%

Sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 84.9°F. The highest and lowest sea temperatures during the month were 85.6°F and 84.0°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 12 mph
Feels like: +93°F
Precip.: 20%
Places in Thailand:
Name
°F
+82°F
+81°F
+81°F
+81°F
+84°F
+84°F
+81°F
+84°F
+79°F
+84°F
+81°F
+84°F
+81°F
24 Hours Forecast
Samui
Local time: 23:51
October 05, monday
0000
84°F
SE
12 mph
0300
84°F
SE
13 mph
0600
82°F
E
12 mph
0900
82°F
E
11 mph
1200
82°F
E
11 mph
1500
84°F
SE
2 mph
1800
84°F
NW
2 mph
2100
84°F
NE
1 mph
Units of measurement: °C / °F