Ko Samui, Thailand Weather Averages

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Ko Samui, Thailand Weather Averages

May is the hottest month in Ko Samui with an average temperature of 30°C (85°F) and the coldest is January at 26°C (79°F) with the most daily sunshine hours at 8 in April. The wettest month is November with an average of 430mm of rain. The best month to swim in the sea is in April when the average sea temperature is 28°C (82°F).

Average Temperature Ko Samui

What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

Average High Low Temperature Ko Samui

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

Average Day Temperature Ko Samui

What is Average Day Temperature?
The average temperature recorded between sunrise and sunset
What is Average Day Temperature?
The average temperature recorded between sunrise and sunset

Average Night Temperature Ko Samui

What is Average Night Temperature?
The average temperature recorded between sunset and sunrise
What is Average Night Temperature?
The average temperature recorded between sunset and sunrise

Average Rainfall Ko Samui

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

Average Daily Sunshine Hours Ko Samui

What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer
What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

Average Sea Temperature Ko Samui

What is Average Sea Temperature?
Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface
What is Average Sea Temperature?
Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface

Ko Samui : Next 24-Hour Weather

Today - 18th April 2024

Sunrise 06:08

Sunrise

Sunset 18:30

Sunset
23:00
Clear
30°C (86°F)

Tomorrow - 19th April 2024

Sunrise 06:08

Sunrise

Sunset 18:30

Sunset
0:00
Clear
30°C (86°F)
1:00
Clear
30°C (85°F)
2:00
Clear
30°C (85°F)
3:00
Clear
30°C (85°F)
4:00
Clear
30°C (85°F)
5:00
Clear
30°C (85°F)
6:00
Clear
30°C (85°F)
7:00
Clear
30°C (85°F)
8:00
Clear
30°C (85°F)
9:00
Clear
30°C (85°F)
10:00
Clear
30°C (85°F)
11:00
Clear
30°C (85°F)
12:00
Clear
30°C (85°F)
13:00
Clear
30°C (86°F)
14:00
Clear
30°C (86°F)
15:00
Clear
31°C (86°F)
16:00
Clear
31°C (86°F)
17:00
Clear
30°C (86°F)
18:00
Clear
30°C (86°F)
19:00
Clear
31°C (86°F)
20:00
Patchy rain possible
31°C (86°F)
21:00
Patchy rain possible
30°C (86°F)
22:00
Patchy rain possible
30°C (86°F)

Ko Samui Holiday Reviews