Island in Thailand

Koh Samui Väder Prognos

Koh Samui weather: 27°C, mest klart. Varje timme forecast, 14-day outlook, UV, air quality and the best time och visit.

🌤️ 27°C now🕔 1:31 PM local📅 Best: januari, februari, mars and april

Sammanfattning

Koh Samui is an island in Thailand. Koh Samui is an island known for palm-fringed beaches in the Gulf.

Just nu är det 27°C (81°F) in Koh Samui med mest klart. Det känns som 31°C. I dag varierar temperaturen mellan 23°C och 28°C. Risken för nederbörd är 94%. Sightseeing conditions score 7.3/10 - bra förhållanden.

Bästa tiden att besöka Koh Samui is januari, februari, mars and april. Klimatet är temperate. oktober, november and december tend och be the least comfortable months. april is the warmest month med average highs near 30°C, while januari is the coldest med lows near 22°C.

The closest major airport is Phuket International Airport (HKT), about 243 km away. Nearby highlights include Khao Sok National Park, Railay Beach, maja Bay and Langkawi.

Enkelt förklarat. Today is about average for oktober. The forecast high of 28°C is in line med the 27°C typical for this month. The best window och be outside is roughly 9 AM och 12 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Koh Samui today at 9.5/10. Wet roads are likely; braking distances roughly double in heavy rain.

Compiled from this page's own data: atlas facts plus live Open-Meteo readings.

Vädret i Koh Samui just nu

🌤️
27°C
Mest klart · feels like 31°C
Luftfuktighet69%
Vind5 km/h NNW
Vindbyar16 km/h
UV-index4 · Måttlig
Molntäcke35%
Lufttryck963 hPa
SiktExcellent · 35 km
Luftkvalitet43 · Good
Havstemperatur31°C
Våghöjd0 m
Soluppgång6:08 AM
Solnedgång5:59 PM
Måne🌔 Waxing gibbous · 88%

Wear sunglasses and use SPF 30+ if you are outside for long.

Open-Meteo Updated 1:31 PM, okt 23 local time.

Se prognosen för Koh Samui per tidsintervall

Nästa 24 timmar

Temperatur, nederbörd och vind timme för timme.

9 AM🌤️27°16%5 km/h
10 AM🌦️28°29%6 km/h
11 AM🌦️28°51%7 km/h
12 PM🌦️28°77%6 km/h
1 PM🌦️27°94%7 km/h
2 PM🌦️27°94%6 km/h
3 PM🌦️28°85%5 km/h
4 PM🌦️28°76%5 km/h
5 PM🌦️27°71%6 km/h
6 PM⛅26°67%3 km/h
7 PM🌙25°63%3 km/h
8 PM☁️25°57%3 km/h
9 PM🌙25°51%4 km/h
10 PM🌙25°49%4 km/h
11 PM🌦️24°54%8 km/h
12 AM🌧️23°63%7 km/h
1 AM🌦️23°69%4 km/h
2 AM🌙23°70%5 km/h
3 AM☁️23°68%4 km/h
4 AM🌦️22°67%12 km/h
5 AM🌧️22°67%3 km/h
6 AM🌧️22°67%3 km/h
7 AM🌦️23°67%8 km/h
8 AM🌧️24°66%9 km/h

16-day forecast for Koh Samui

Max / Min; Nederb.; UV

DagFörhållandenMax / MinNederb.VindUV
fre, okt 23🌦️ Light showers28° / 23°94% · 6 mm8 km/h8
lör, okt 24🌧️ Skurar27° / 21°75% · 13 mm12 km/h8
sön, okt 25🌦️ Light showers27° / 22°78% · 9 mm7 km/h8
mån, okt 26🌦️ Light showers26° / 21°80% · 6 mm8 km/h7
tis, okt 27🌦️ Light showers25° / 21°71% · 8 mm13 km/h6
ons, okt 28🌦️ Duggregn26° / 22°81% · 5 mm15 km/h3
tor, okt 29🌦️ Duggregn26° / 22°86% · 8 mm13 km/h5
fre, okt 30🌦️ Duggregn26° / 24°90% · 5 mm20 km/h4
lör, okt 31🌦️ Light showers25° / 22°90% · 15 mm14 km/h6
sön, nov 1🌦️ Duggregn26° / 22°94% · 4 mm10 km/h2
mån, nov 2🌧️ Heavy drizzle26° / 22°88% · 8 mm11 km/h4
tis, nov 3🌦️ Duggregn26° / 22°100% · 5 mm12 km/h4
ons, nov 4🌦️ Duggregn27° / 22°94% · 6 mm11 km/h7
tor, nov 5🌦️ Light drizzle27° / 23°90% · 4 mm7 km/h8
fre, nov 6🌧️ Heavy drizzle27° / 23°92% · 6 mm12 km/h8
lör, nov 7🌧️ Skurar26° / 25°59% · 10 mm14 km/h8

Klimat in Koh Samui month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

janfebmaraprmajjunjulaugsepoktnovdecLine: average high · Bars: rainfall
MånadAvg highAvg lowRegnfallRating
januari26°22°58 mm★★★★☆
februari27°23°66 mm★★★★☆
mars28°24°34 mm★★★★★
april30°24°47 mm★★★★☆
maj29°24°140 mm★★★★☆
juni30°24°83 mm★★★★☆
juli30°24°105 mm★★★★☆
augusti29°23°129 mm★★★★☆
september28°23°105 mm★★★★☆
oktober27°23°235 mm★★★☆☆
november26°22°301 mm★★★☆☆
december26°22°182 mm★★★☆☆

Klimat type: Temperate. Källa: Open-Meteo archive (ERA5).

Väder map for Koh Samui

Animated model layers. Pick a layer och load it.

Loading map…

Animated layers by Vindy. For pin-level detail and nearby places, see the interactive map below.

Luftkvalitet and pollen in Koh Samui

43
Good
Luftkvalitet is satisfactory for everyone.
PM2.58.6 µg/m³
PM1011.8 µg/m³
Ozone117 µg/m³
NO₂0.7 µg/m³
UV-index4 · Måttlig
Airborne hazeLight haze

Luftkvalitet: Open-Meteo (CAMS). US AQI scale.

sön, twilight and moon

Soluppgång6:08 AM
Solnedgång5:59 PM
Daglight11h 51m
Solar noon12:03 PM
Golden hour (am)6:08 AM - 7:08 AM
Golden hour (pm)4:59 PM - 5:59 PM
Blue hour (am)5:38 AM - 6:08 AM
Blue hour (pm)5:59 PM - 6:29 PM
Måne phase🌔 Waxing gibbous · 88%
Månerise3:45 PM
Måneset3:25 AM

Golden and blue hour are the standard photographic approximation around sunrise and sunset.

Bästa tiden att besöka Koh Samui

Go in januari, februari, mars and april. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: oktober, november and december - expect the least comfortable mix of heat, cold or rain.

januari★★★★☆
februari★★★★☆
mars★★★★★
april★★★★☆
maj★★★★☆
juni★★★★☆
juli★★★★☆
augusti★★★★☆
september★★★★☆
oktober★★★☆☆
november★★★☆☆
december★★★☆☆

Explore Koh Samui

Every topic we hold for this place, and the same topic for the places around it.

Väder for related places

Frequently asked questions

Where is Koh Samui?

Koh Samui is an island in Thailand. Its coordinates are 9.512, 100.0136. It lies in Asien.

What is the weather like in Koh Samui just nu?

It is currently 27°C (81°F) med mest klart. Luftfuktighet is 69% and wind is 5 km/h.

When is the best time och visit Koh Samui?

januari, februari, mars and april offer the most comfortable conditions in Koh Samui, which has a temperate climate. oktober, november and december are usually the hardest months for outdoor plans.

What time zone is Koh Samui in?

Koh Samui observes Asia/Bangkok (UTC+07:00). The local time is 1:31 PM.

What is the nearest airport och Koh Samui?

The closest airports are Phuket International Airport (HKT), 243 km away and Suvarnabhumi Airport (BKK), 471 km away.

What are the top things och do in Koh Samui?

Popular options include Khao Sok National Park, Railay Beach, maja Bay and Langkawi.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts.
Prognos and observationsOpen-Meteo (ECMWF and national models).
Luftkvalitet and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Klimat averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
MethodScores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown.

Last updated oktober 23, 2026 at 1:31 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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