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Nearby locations
Ko Samui, Surat Thani, Thailand
Amphoe Ko Samui, Surat Thani, Thailand
Amphoe Ko Pha-ngan, Surat Thani, Thailand
Nearby popular places
Na Thon Beach, Thailand
Wat Si Thawip, Thailand
Wat Khongkharam, Thailand

Weather in Ko Samui, Thailand

76°
Mostly cloudy
Feels like 76°
85°69°
Time in Ko Samui3:45 PM Fri, Aug 12

Weather Advisories

High UV Index
Thu 1:00 PM
Rain
Thu 2:00 PM
Full Details

Air quality

AQI55
0100200300400500
Air quality index:Moderate

Pollen index

Tree
0/5
012345
Weed
0/5
012345
Grass
0/5
012345

Upcoming days

Full Details
Fri
12
76°87°
Sat
13
76°88°
Sun
14
77°93°
Mon
15
75°91°
Tue
16
74°79°
Wed
17
74°84°

FAQ

How warm does it get in Ko Samui?
The average annual highest temperature in Ko Samui is 29.9°C (85.8°F), and the April 27th is the hottest day on average.
How cold does it get in Ko Samui?
The average annual lowest temperature in Ko Samui is 25.5°C (77.9°F), and the January 14th is the coldest day on average.
Which month has the most rain in Ko Samui?
The wettest months in Ko Samui are November and October.