Island in תאילנד

Koh Samui אקלים and Average מזג אוויר

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

☁️ 26°C now🕔 10:23 AM local📅 Best: ינואר, פברואר, מרץ and אפריל

אקלים 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
חודשAvg highAvg lowגשםfallRating
ינואר26°22°58 mm★★★★
פברואר27°23°66 mm★★★★
מרץ28°24°34 mm★★★★★
אפריל30°24°47 mm★★★★
מאי29°24°140 mm★★★★
יוני30°24°83 mm★★★★
יולי30°24°103 mm★★★★
אוגוסט29°23°97 mm★★★★
ספטמבר28°23°127 mm★★★★
אוקטובר27°23°235 mm★★★☆☆
נובמבר26°22°301 mm★★★☆☆
דצמבר26°22°182 mm★★★☆☆

אקלים type: Temperate. מקור: Open-Meteo archive (ERA5).

Recent extremes in Koh Samui

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

Hottest day33°Cיונ 26, 2026
Coldest night20°Cנוב 30, 2025
Wettest day60 mmדצמ 14, 2024

How Koh Samui compares עם 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
מאיa Bay246 km28°C+3°C warmer2050 mm
Phuket254 km28°C+2°C warmer2068 mm

הזמן הטוב ביותר לביקור Koh Samui

Go in ינואר, פברואר, מרץ and אפריל. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: אוקטובר, נובמבר and דצמבר - expect the least comfortable mix of heat, cold or rain.

ינואר★★★★
פברואר★★★★
מרץ★★★★★
אפריל★★★★
מאי★★★★
יוני★★★★
יולי★★★★
אוגוסט★★★★
ספטמבר★★★★
אוקטובר★★★☆☆
נובמבר★★★☆☆
דצמבר★★★☆☆

What this means for Koh Samui

Compared עם normal

Today is about average for אוגוסט. The forecast high of 29°C is in line עם the 29°C typical for this month.

גשם chance explained

A 69% chance means rain is expected over most of the area. Plan indoor alternatives.

נסיעות and driving

משבים ל- 63 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 יוני ל- אוגוסט.

Worth knowing

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

What ל- pack, what ל- skip

Pack for the next 7 days
  • Lightweight, light-coloured clothing and a refillable water bottle
  • א׳glasses, 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 63 km/h.
  • If your dates are flexible, avoid אוקטובר, נובמבר and דצמבר - historically the least comfortable months here.

סיכום

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

כרגע הטמפרטורה היא 26°C (80°F) in Koh Samui עם מעונן. מרגיש כמו 29°C. היום הטמפרטורות נעות בין 24°C ל- 29°C. הסיכוי למשקעים הוא 69%. Sightseeing conditions score 7.6/10 - תנאים טובים.

הזמן הטוב ביותר לבקר בKoh Samui is ינואר, פברואר, מרץ and אפריל. האקלים הוא temperate. אוקטובר, נובמבר and דצמבר tend ל- be the least comfortable months. אפריל is the warmest month עם average highs near 30°C, while ינואר is the coldest עם 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, מאיa Bay and Phuket.

במילים פשוטות. Today is about average for אוגוסט. The forecast high of 29°C is in line עם the 29°C typical for this month. The best window ל- be outside is roughly 7 AM ל- 10 AM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Koh Samui today at 8.8/10. משבים ל- 63 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

סוגIsland
מדינהתאילנד
יבשתאסיה
קואורדינטות9°30′43.2″N 100°0′49″E (9.512, 100.0136)
Known forpalm-fringed beaches in the Gulf
שעה מקומית10:23 AM (UTC+07:00)
Best monthsינואר, פברואר, מרץ and אפריל
אקליםTemperate

מזג אוויר map for Koh Samui

Animated model layers. Pick a layer ל- load it.

Loading map…

Animated layers by רוחy. 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.

אקלים for related places

Frequently asked questions

Where is Koh Samui?

Koh Samui is an island in תאילנד. Its coordinates are 9.512, 100.0136. It lies in אסיה.

What is the weather like in Koh Samui עכשיו?

It is currently 26°C (80°F) עם מעונן. לחות is 74% and wind is 18 km/h.

When is the best time ל- visit Koh Samui?

ינואר, פברואר, מרץ and אפריל offer the most comfortable conditions in Koh Samui, which has a temperate climate. אוקטובר, נובמבר and דצמבר 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 10:23 AM.

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

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

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts.
תחזית and observationsOpen-Meteo (ECMWF and national models).
איכות האוויר and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
אקלים 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 אוגוסט 26, 2026 at 10:23 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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