Island in Thailanda

Koh Samui Climă and Average Vreme

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

☁️ 23°C now🕔 10:03 PM local📅 Best: ianuarie, februarie, martie and aprilie

Climă in Koh Samui month by month

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

ianfebmaraprmaiiuniulaugsepoctnoidecLine: average high · Bars: rainfall
LunăAvg highAvg lowPloaiefallRating
ianuarie26°22°58 mm★★★★☆
februarie27°23°66 mm★★★★☆
martie28°24°34 mm★★★★★
aprilie30°24°47 mm★★★★☆
mai29°24°140 mm★★★★☆
iunie30°24°83 mm★★★★☆
iulie30°24°105 mm★★★★☆
august29°23°129 mm★★★★☆
septembrie28°23°105 mm★★★★☆
octombrie27°23°235 mm★★★☆☆
noiembrie26°22°301 mm★★★☆☆
decembrie26°22°182 mm★★★☆☆

Climă type: Temperate. Sursă: Open-Meteo archive (ERA5).

Recent extremes in Koh Samui

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

Hottest day33°Ciun 26, 2026
Coldest night20°Cnoi 30, 2025
Wettest day60 mmdec 14, 2024

How Koh Samui compares cu nearby places

Annual averages, and the difference against Koh Samui.

PlaceDistanceAvg tempvs hereAnnual rain
Khao Sok National Park176 km26°C+1°C warmer2702 mm
Railay Beach211 km27°C+2°C warmer2044 mm
Phuket International Airport243 km28°C+3°C warmer2195 mm
maia Bay246 km28°C+3°C warmer1965 mm
Phuket254 km28°C+2°C warmer1981 mm

Cea mai bună perioadă Koh Samui

Go in ianuarie, februarie, martie and aprilie. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: octombrie, noiembrie and decembrie - expect the least comfortable mix of heat, cold or rain.

ianuarie★★★★☆
februarie★★★★☆
martie★★★★★
aprilie★★★★☆
mai★★★★☆
iunie★★★★☆
iulie★★★★☆
august★★★★☆
septembrie★★★★☆
octombrie★★★☆☆
noiembrie★★★☆☆
decembrie★★★☆☆

What this means for Koh Samui

Compared cu normal

Today is slightly cooler than average for octombrie. The forecast high of 25°C is 1.8°C below the 27°C typical for this month.

Ploaie chance explained

A 96% chance means rain is expected over most of the area. Plan indoor alternatives. Around 13 mm is forecast, which is enough și soak trails and slow traffic.

Călătorii and driving

Vizibilitate is down și 3,8 km - use low beams and leave extra following distance. 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 iunie și august.

Worth knowing

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

What și pack, what și skip

Pack for the next 7 days
  • dumglasses, 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 octombrie, noiembrie and decembrie - historically the least comfortable months here.

Rezumat

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

Acum sunt 23°C (74°F) in Koh Samui cu parțial noros. Temperatura resimțită este 27°C. Astăzi temperaturile variază între 22°C și 25°C. Probabilitatea de precipitații este de 96%. Sightseeing conditions score 5.7/10 - acceptabil — planifică după vreme.

Cea mai bună perioadă pentru a vizita Koh Samui is ianuarie, februarie, martie and aprilie. Clima este temperate. octombrie, noiembrie and decembrie tend și be the least comfortable months. aprilie is the warmest month cu average highs near 30°C, while ianuarie is the coldest cu 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, maia Bay and Langkawi.

Pe scurt. Today is slightly cooler than average for octombrie. The forecast high of 25°C is 1.8°C below the 27°C typical for this month. The best window și be outside is roughly 6 PM și 9 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Koh Samui today at 9.3/10. Vizibilitate is down și 3,8 km - use low beams and leave extra following distance. 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

TipIsland
ȚarăThailanda
ContinentAsia
Coordonate9°30′43.2″N 100°0′49″E (9.512, 100.0136)
Known forpalm-fringed beaches in the Gulf
Ora locală10:03 PM (UTC+07:00)
Best monthsianuarie, februarie, martie and aprilie
ClimăTemperate

Vreme map for Koh Samui

Animated model layers. Pick a layer și load it.

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Animated layers by Vânty. 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.

Climă for related places

Frequently asked questions

Where is Koh Samui?

Koh Samui is an island in Thailanda. Its coordinates are 9.512, 100.0136. It lies in Asia.

What is the weather like in Koh Samui acum?

It is currently 23°C (74°F) cu parțial noros. Umiditate is 92% and wind is 13 km/h.

When is the best time și visit Koh Samui?

ianuarie, februarie, martie and aprilie offer the most comfortable conditions in Koh Samui, which has a temperate climate. octombrie, noiembrie and decembrie 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 10:03 PM.

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

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

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts.
Prognoză and observationsOpen-Meteo (ECMWF and national models).
Calitatea aerului and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Climă 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 octombrie 27, 2026 at 10:03 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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