World Resorts Thailand Samui Weather

Samui 14 Days Forecast

26.06
fri
Day
84°F
E 14 mph
Precip.
7%
Night
84°F
E 19 mph
Precip.
8%
27.06
sat
Day
84°F
E 17 mph
Precip.
7%
Night
84°F
E 19 mph
Precip.
9%
28.06
sun
Day
84°F
E 12 mph
Precip.
8%
Night
84°F
E 20 mph
Precip.
15%
29.06
mon
Day
84°F
E 17 mph
Precip.
19%
Night
81°F
E 23 mph
Precip.
61%
30.06
tue
Day
84°F
E 24 mph
Precip.
22%
Night
82°F
NE 30 mph
Precip.
15%
01.07
wed
Day
82°F
NE 29 mph
Precip.
18%
Night
82°F
E 26 mph
Precip.
19%
02.07
thu
Day
82°F
NE 29 mph
Precip.
24%
Night
84°F
E 22 mph
Precip.
12%
03.07
fri
Day
84°F
NE 21 mph
Precip.
36%
Night
84°F
NE 18 mph
Precip.
21%
04.07
sat
Day
84°F
E 21 mph
Precip.
25%
Night
82°F
E 21 mph
Precip.
51%
05.07
sun
Day
82°F
E 20 mph
Precip.
37%
Night
82°F
E 21 mph
Precip.
36%
06.07
mon
Day
82°F
E 24 mph
Precip.
15%
Night
82°F
E 26 mph
Precip.
18%
07.07
tue
Day
84°F
E 26 mph
Precip.
20%
Night
84°F
E 25 mph
Precip.
9%
08.07
wed
Day
84°F
E 22 mph
Precip.
11%
Night
84°F
E 21 mph
Precip.
9%
09.07
thu
Day
86°F
E 17 mph
Precip.
12%
Night
84°F
E 22 mph
Precip.
16%

Sea water temperature in June, °F

Show year:
2026
2025
2024

The average sea water temperature in June of 2026 was 86.9°F. The highest and lowest sea temperatures during the month were 87.8°F and 85.5°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 85.2°F. The highest and lowest sea temperatures during the month were 85.8°F and 84.7°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 87.8 °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

Current weather
11:49
Samui
+84°F
E 14 mph
Feels like: +93°F
Precip.: 7%
Places in Thailand:
Name
°F
Bang Tao Beach
+84°F
Bangkok
+95°F
Khao Lak
+84°F
Karon Beach
+84°F
Kata Beach
+84°F
Samet
+88°F
Koh Chang
+86°F
Cape Panwa
+84°F
Nai Yang Beach
+84°F
Phangan
+84°F
Pattaya
+88°F
Phi Phi
+84°F
Phuket
+84°F
Samui
+84°F
Hua Hin
+93°F
all places
24 Hours Forecast
Samui
Local time: 11:49
June 26, friday
1200
84°F
E
14 mph
1500
86°F
S
5 mph
1800
84°F
E
18 mph
2100
82°F
E
20 mph
June 27, saturday
0000
84°F
E
19 mph
0300
84°F
E
16 mph
0600
82°F
E
16 mph
0900
84°F
E
16 mph
Units of measurement: °C / °F