World Resorts Thailand Samui

Samui Monthly Weather Averages

Please click on any column to get detailed information about Samui weather in that particular month. You will get daily weather information for that month for the last several years.

Day & Night air temperature, °C

The warmest month in Samui is may. The average daily temp is 31.8°C. The average nightly temp is 29.6°C.

Sea water temperature, °C

The warmest sea temperature usually observed in May. Average daily sea water temperature during this month is 30.8°C.

Precipitation total, mm

Number of rainy days

This chart shows averages for the last three years. It shows only medium and heavy rains that could bother you during vacation. It doesn't show light rains.

Wind speed, m/s
Sunny, partly cloudy and cloudy days
Average sunny hours

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

* Charts above show average data for the last 3 years.

Best time for vacation in Samui

Sunniest months:
April 19 days
May 18 days
March 17 days
Warmest months:
May 31.8 °C
June 31.6 °C
August 31.3 °C
Warmest sea temp:
May 30.8 °C
June 30.3 °C
April 30.2 °C
Coldest months:
January 28.9 °C
February 29.0 °C
December 29.3 °C
Rainiest months:
November 16 days
October 13 days
December 12 days
Windiest months:
December 5.4 m/s
February 5.2 m/s
July 5.2 m/s

Samui on a weather map

Samui
+28°C
E 10 m/s
Feels like: +32°C
Precip.: 0%
Places in Thailand:
Name
С°
+28°C
+28°C
+26°C
+25°C
+26°C
+28°C
+24°C
+25°C
+24°C
+28°C
+28°C
+25°C
+28°C
+26°C
24 Hours Forecast
Samui
Local time: 23:32
August 02, monday
0000
28°C
E
10 m/s
0300
28°C
E
10 m/s
0600
28°C
E
11 m/s
0900
29°C
E
10 m/s
1200
30°C
E
9 m/s
1500
30°C
E
9 m/s
1800
30°C
E
9 m/s
2100
29°C
E
10 m/s