Island in Thajsko

Koh Samui Klima and Average Počasí

Klima of Koh Samui: average temperatures, rainfall and seasons month by month.

☁️ 25°C now🕔 6:33 AM local📅 Best: leden, únor, březen and duben

Klima in Koh Samui month by month

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

ledúndubčečesrplisproLine: average high · Bars: rainfall
MěsícAvg highAvg lowDéšťfallRating
leden26°22°58 mm★★★★
únor27°23°66 mm★★★★
březen28°24°34 mm★★★★★
duben30°24°47 mm★★★★
kvě29°24°140 mm★★★★
červen30°24°83 mm★★★★
červenec30°24°103 mm★★★★
srpen29°23°97 mm★★★★
září28°23°127 mm★★★★
říjen27°23°235 mm★★★☆☆
listopad26°22°301 mm★★★☆☆
prosinec26°22°182 mm★★★☆☆

Klima type: Temperate. Zdroj: Open-Meteo archive (ERA5).

Recent extremes in Koh Samui

Vysokéest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.

Hottest day33°Cčer 26, 2026
Coldest night20°Clis 30, 2025
Wettest day60 mmpro 14, 2024

How Koh Samui compares s nearby places

Annual averages, and the difference against Koh Samui.

PlaceDistanceAvg tempvs hereAnnual rain
Khao Sok National Park176 km26°C+1°C warmer2745 mm
Railay Beach211 km27°C+2°C warmer2141 mm
Phuket International Airport243 km28°C+2°C warmer2293 mm
kvěa Bay246 km28°C+3°C warmer2050 mm
Phuket254 km28°C+2°C warmer2068 mm

Nejlepší doba k návštěvě Koh Samui

Go in leden, únor, březen and duben. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: říjen, listopad and prosinec - expect the least comfortable mix of heat, cold or rain.

leden★★★★
únor★★★★
březen★★★★★
duben★★★★
kvě★★★★
červen★★★★
červenec★★★★
srpen★★★★
září★★★★
říjen★★★☆☆
listopad★★★☆☆
prosinec★★★☆☆

What this means for Koh Samui

Compared s normal

Today is slightly cooler than average for srpen. The forecast high of 26°C is 2.8°C below the 29°C typical for this month.

Déšť chance explained

A 93% chance means rain is expected over most of the area. Plan indoor alternatives. Around 18 mm is forecast, which is enough do soak trails and slow traffic.

Cestování and driving

Nárazy do 57 km/h will push high-sided vehicles on exposed roads and bridges. Wet roads are likely; braking distances roughly double in heavy rain.

Worth knowing

Within 15 degrees of the equator, day length barely changes all year; seasons are defined by rain, not temperature.

Worth knowing

Northern Hemisphere, so peak summer falls in červen do srpen.

Worth knowing

The gap between the warmest and coldest month averages 3°C - an unusually even climate through the year.

What do pack, what do skip

Pack for the next 7 days
  • Lightweight, light-coloured clothing and a refillable water bottle
  • neglasses, a brimmed hat and SPF 30+
  • A packable rain shell - 7 of the next 7 days carry a real chance of rain
Worth avoiding
  • Avoid exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 57 km/h.
  • If your dates are flexible, avoid říjen, listopad and prosinec - historically the least comfortable months here.

Shrnutí

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

Právě teď je 25°C (76°F) in Koh Samui s zataženo. Pocitová teplota je 28°C. Dnes se teploty pohybují od 23°C do 26°C. Pravděpodobnost srážek je 93%. Sightseeing conditions score 7.2/10 - dobré podmínky.

Nejlepší doba k návštěvě Koh Samui is leden, únor, březen and duben. Podnebí je temperate. říjen, listopad and prosinec tend do be the least comfortable months. duben is the warmest month s average highs near 30°C, while leden is the coldest s 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, kvěa Bay and Phuket.

Jednoduše řečeno. Today is slightly cooler than average for srpen. The forecast high of 26°C is 2.8°C below the 29°C typical for this month. The best window do be outside is roughly 7 AM do 10 AM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Koh Samui today at 9.2/10. Nárazy do 57 km/h will push high-sided vehicles on exposed roads and bridges. 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.

Quick facts about Koh Samui

TypIsland
ZeměThajsko
KontinentAsie
Souřadnice9°30′43.2″N 100°0′49″E (9.512, 100.0136)
Known forpalm-fringed beaches in the Gulf
Místní čas6:33 AM (UTC+07:00)
Best monthsleden, únor, březen and duben
KlimaTemperate

Počasí map for Koh Samui

Animated model layers. Pick a layer do load it.

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

Explore Koh Samui

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

Klima for related places

Frequently asked questions

Where is Koh Samui?

Koh Samui is an island in Thajsko. Its coordinates are 9.512, 100.0136. It lies in Asie.

What is the weather like in Koh Samui právě teď?

It is currently 25°C (76°F) s zataženo. Vlhkost is 86% and wind is 14 km/h.

When is the best time do visit Koh Samui?

leden, únor, březen and duben offer the most comfortable conditions in Koh Samui, which has a temperate climate. říjen, listopad and prosinec 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 6:33 AM.

What is the nearest airport do 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 do do in Koh Samui?

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

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts.
Předpověď and observationsOpen-Meteo (ECMWF and national models).
Kvalita ovzduší and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Klima 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 srpen 24, 2026 at 6:33 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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