Use my current location
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
Extremely Humid
Now

Nearby locations

Na Thon BeachWat Si ThawipWat KhongkharamWat Nam Tok Hin LatWat SamutthraramKhao ToeiLipa Noi BeachKhao TinLaem YaiSamui Safari Nature TourWat Don ThupHat Bang PoWat Nara Charoen SukNudist Beach Ko SamuiWat Phukhao ThongAmphoe Ko SamuiKhao Thai KhwaiHat Mae NamNa Phralan BeachWat KhiriwongkaramSamui DelmaAmphoe Ko Pha-nganKo Pha NganDon SakAmphoe KhanomAmphoe Don SakKoh TaoKanchanaditAmphoe SichonAmphoe KanchanaditSurat ThaniAmphoe Mueang Surat ThaniChaiyaTha KhamAmphoe NopphitamAmphoe Tha SalaAmphoe Tha ChanaAmphoe Ban Na DoemAmphoe Ban Na San
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.