Island in 태국

Koh Samui 기후 and Average 날씨

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

☁️ 25°C now🕔 1:39 PM local📅 Best: 1월, 2월, 3월 and 4월

기후 in Koh Samui month by month

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

Line: average high · Bars: rainfall
월Avg highAvg low비fallRating
1월26°22°58 mm★★★★☆
2월27°23°66 mm★★★★☆
3월28°24°34 mm★★★★★
4월30°24°47 mm★★★★☆
5월29°24°140 mm★★★★☆
6월30°24°83 mm★★★★☆
7월30°24°105 mm★★★★☆
8월29°23°129 mm★★★★☆
9월28°23°105 mm★★★★☆
10월27°23°235 mm★★★☆☆
11월26°22°301 mm★★★☆☆
12월26°22°182 mm★★★☆☆

기후 type: Temperate. 출처: Open-Meteo archive (ERA5).

Recent extremes in Koh Samui

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

Hottest day33°C6월 26, 2026
Coldest night20°C11월 30, 2025
Wettest day60 mm12월 14, 2024

How Koh Samui compares이며 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
5월a Bay246 km28°C+3°C warmer1965 mm
Phuket254 km28°C+2°C warmer1981 mm

방문하기 좋은 시기 Koh Samui

Go in 1월, 2월, 3월 and 4월. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: 10월, 11월 and 12월 - expect the least comfortable mix of heat, cold or rain.

1월★★★★☆
2월★★★★☆
3월★★★★★
4월★★★★☆
5월★★★★☆
6월★★★★☆
7월★★★★☆
8월★★★★☆
9월★★★★☆
10월★★★☆☆
11월★★★☆☆
12월★★★☆☆

What this means for Koh Samui

Compared이며 normal

Today is about average for 10월. The forecast high of 27°C is in line이며 the 27°C typical for this month.

비 chance explained

A 98% chance means rain is expected over most of the area. Plan indoor alternatives.

여행 and driving

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 6월에서 8월.

Worth knowing

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

What에서 pack, what에서 skip

Pack for the next 7 days
  • Lightweight, light-coloured clothing and a refillable water bottle
  • 일glasses, 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 10월, 11월 and 12월 - historically the least comfortable months here.

요약

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

현재 기온은 25°C (76°F) in Koh Samui이며 흐림. 체감온도는 29°C. 오늘 기온은 24°C에서 27°C. 강수 확률은 98%. Sightseeing conditions score 7.4/10 - 좋은 조건.

방문하기 가장 좋은 시기는 Koh Samui is 1월, 2월, 3월 and 4월. 기후는 temperate. 10월, 11월 and 12월 tend에서 be the least comfortable months. 4월 is the warmest month이며 average highs near 30°C, while 1월 is the coldest이며 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, 5월a Bay and Langkawi.

쉽게 말하면. Today is about average for 10월. The forecast high of 27°C is in line이며 the 27°C typical for this month. The best window에서 be outside is roughly 7 AM에서 10 AM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Koh Samui today at 9.7/10. 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.

Quick facts about Koh Samui

유형Island
국가태국
대륙아시아
좌표9°30′43.2″N 100°0′49″E (9.512, 100.0136)
Known forpalm-fringed beaches in the Gulf
현지 시간1:39 PM (UTC+07:00)
Best months1월, 2월, 3월 and 4월
기후Temperate

날씨 map for Koh Samui

Animated model layers. Pick a layer에서 load it.

Loading map…

Animated layers by 바람y. 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.

기후 for related places

Frequently asked questions

Where is Koh Samui?

Koh Samui is an island in 태국. Its coordinates are 9.512, 100.0136. It lies in 아시아.

What is the weather like in Koh Samui 현재?

It is currently 25°C (76°F)이며 흐림. 습도 is 82% and wind is 5 km/h.

When is the best time에서 visit Koh Samui?

1월, 2월, 3월 and 4월 offer the most comfortable conditions in Koh Samui, which has a temperate climate. 10월, 11월 and 12월 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 1:39 PM.

What is the nearest airport에서 Koh Samui?

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

What are the top things에서 do in Koh Samui?

Popular options include Khao Sok National Park, Railay Beach, 5월a Bay and Langkawi.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts.
예보 and observationsOpen-Meteo (ECMWF and national models).
대기질 and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
기후 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 10월 22, 2026 at 1:39 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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