World Resorts Thailand Samui Weather

Samui 7 Days Forecast

17.03
tue
Day
82°F
NW 14 mph
Precip.
79%
Night
81°F
NW 14 mph
Precip.
0%
18.03
wed
Day
82°F
NW 14 mph
Precip.
0%
Night
82°F
NW 13 mph
Precip.
0%
19.03
thu
Day
81°F
NW 8 mph
Precip.
85%
Night
81°F
N 11 mph
Precip.
0%
20.03
fri
Day
81°F
NW 7 mph
Precip.
0%
Night
81°F
N 12 mph
Precip.
0%
21.03
sat
Day
81°F
NW 9 mph
Precip.
0%
Night
81°F
NW 11 mph
Precip.
0%
22.03
sun
Day
82°F
NW 11 mph
Precip.
0%
Night
82°F
NW 12 mph
Precip.
0%
23.03
mon
Day
82°F
NW 8 mph
Precip.
0%
Night
82°F
NW 13 mph
Precip.
21%

Sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 84.5°F. The highest and lowest sea temperatures during the month were 85.5°F and 83.5°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 17 days
March 15 days
May 14 days
Warmest months:
May 88.3 °F
June 87.8 °F
July 87.1 °F
Warmest sea temp:
May 87.4 °F
April 86.5 °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
14:23
Samui
+82°F
NW 14 mph
Feels like: +88°F
Precip.: 66%
Places in Thailand:
Name
°F
Bangkok
+93°F
Khao Lak
+82°F
Karon Beach
+88°F
Kata Beach
+88°F
Ko Li Pe
+82°F
Samet
+84°F
Koh Chang
+82°F
Krabi
+91°F
Phangan
+82°F
Patong Beach
+88°F
Pattaya
+84°F
Phi Phi
+84°F
Phuket
+88°F
Samui
+82°F
Hua Hin
+86°F
all places
24 Hours Forecast
Samui
Local time: 14:23
March 17, tuesday
1500
82°F
NW
14 mph
1800
81°F
NW
16 mph
2100
81°F
NW
14 mph
March 18, wednesday
0000
81°F
NW
14 mph
0300
81°F
NW
14 mph
0600
81°F
NW
15 mph
0900
81°F
NW
15 mph
1200
82°F
NW
14 mph
Units of measurement: °C / °F