World Resorts Thailand Samui Weather

Samui 14 Days Forecast

16.07
thu
Day
84°F
E 14 mph
Precip.
8%
Night
86°F
E 4 mph
Precip.
6%
17.07
fri
Day
82°F
E 11 mph
Precip.
7%
Night
84°F
E 14 mph
Precip.
6%
18.07
sat
Day
82°F
E 11 mph
Precip.
20%
Night
84°F
E 15 mph
Precip.
20%
19.07
sun
Day
84°F
E 17 mph
Precip.
6%
Night
82°F
E 17 mph
Precip.
7%
20.07
mon
Day
82°F
E 16 mph
Precip.
7%
Night
82°F
E 17 mph
Precip.
7%
21.07
tue
Day
84°F
E 13 mph
Precip.
6%
Night
84°F
E 17 mph
Precip.
22%
22.07
wed
Day
84°F
E 11 mph
Precip.
48%
Night
82°F
E 15 mph
Precip.
8%
23.07
thu
Day
82°F
NE 7 mph
Precip.
23%
Night
84°F
E 12 mph
Precip.
9%
24.07
fri
Day
82°F
E 10 mph
Precip.
7%
Night
84°F
N 4 mph
Precip.
42%
25.07
sat
Day
82°F
SE 11 mph
Precip.
7%
Night
84°F
E 11 mph
Precip.
8%
26.07
sun
Day
82°F
E 11 mph
Precip.
6%
Night
84°F
E 16 mph
Precip.
8%
27.07
mon
Day
82°F
E 11 mph
Precip.
7%
Night
84°F
E 17 mph
Precip.
9%
28.07
tue
Day
82°F
E 11 mph
Precip.
8%
Night
84°F
E 17 mph
Precip.
7%
29.07
wed
Day
82°F
E 11 mph
Precip.
19%
Night
84°F
E 19 mph
Precip.
17%

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 86.8°F. The highest and lowest sea temperatures during the month were 87.4°F and 86.4°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 18 days
May 14 days
March 14 days
Warmest months:
May 88.1 °F
June 87.6 °F
July 87.1 °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 12.3 mph
September 11.9 mph
December 11.6 mph

Samui on a weather map

Samui
+84°F
NW 5 mph
Feels like: +93°F
Precip.: 28%
Places in Thailand:
Name
°F
+88°F
+82°F
+82°F
+82°F
+84°F
+84°F
+82°F
+86°F
+84°F
+84°F
+82°F
+84°F
+84°F
24 Hours Forecast
Samui
Local time: 17:44
July 16, thursday
1800
84°F
NW
5 mph
2100
86°F
NE
2 mph
July 17, friday
0000
86°F
E
4 mph
0300
84°F
E
9 mph
0600
82°F
E
11 mph
0900
82°F
E
11 mph
1200
82°F
E
11 mph
1500
84°F
S
4 mph
Units of measurement: °C / °F