Island in Thailand

Koh Samui Väder Prognos

Koh Samui weather: 23°C, delvis molnigt. Varje timme forecast, 14-day outlook, UV, air quality and the best time och visit.

☁️ 23°C now🕔 1:19 AM local📅 Best: januari, februari, mars and april

7-day forecast for Koh Samui

Max / Min; Nederb.; UV

DagFörhållandenMax / MinNederb.VindUV
tis, okt 27🌧️ Skurar25° / 22°96% · 13 mm16 km/h6
ons, okt 28⛈️ Åska24° / 22°100% · 33 mm22 km/h6
tor, okt 29🌧️ Skurar25° / 22°96% · 18 mm15 km/h8
fre, okt 30🌦️ Light showers25° / 22°91% · 10 mm18 km/h8
lör, okt 31🌧️ Skurar26° / 21°89% · 15 mm15 km/h8
sön, nov 1🌦️ Light showers27° / 22°92% · 9 mm12 km/h8
mån, nov 2🌦️ Light showers26° / 21°83% · 11 mm12 km/h6

Weekend outlook

lörurday, okt 31

🌧️ 26° / 21°

Skurar · 89% rain · wind 15 km/h

sönday, nov 1

🌦️ 27° / 22°

Light showers · 92% rain · wind 12 km/h

Is today a good day och visit?

Activity scores from 0 och 10 based on temperature, rain, wind, sun and visibility.

Sightseeing5.7
Outdoors7.2
Beach day4.7
Swimming6.3
Hiking5.5
Running6.2
Cycling5.5
Camping5.9
Fishing9.3
Photography3.6
Stargazing2.6
Family time7.2
Driving4.3
Flying out4.2

What och pack, what och skip

Pack for the next 7 days
  • sönglasses, a brimmed hat and SPF 30+
  • A packable rain shell - 7 of the next 7 days carry a real chance of rain
Worth avoiding
  • If your dates are flexible, avoid oktober, november and december - historically the least comfortable months here.

Active alerts for Koh Samui

⚠️ons, okt 28: heavy rain, 33 mm. Flooding and delays possible.

Derived from the forecast. No official alert feed is wired for this country yet.

Se prognosen för Koh Samui per tidsintervall

Koh Samui weather - more answers

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 23°C (74°F) med delvis molnigt. Luftfuktighet is 92% and wind is 13 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 1:19 AM.

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 28, 2026 at 1:19 AM 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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