Island in Thailand

Koh Samui Map

Interactive map of Koh Samui with coordinates, nearby places, airports and travel highlights.

☁️ 86°F now🕔 5:09 AM local📅 Best: January, February, March and April

Summary

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

Right now it is 86°F (30°C) in Koh Samui with overcast. It feels like 94°F. Today runs from 76°F to 86°F. Chance of precipitation is 31%. Sightseeing conditions score 8.2/10 - good conditions.

The best time to visit Koh Samui is January, February, March and April. The climate is temperate. October, November and December tend to be the least comfortable months. April is the warmest month with average highs near 86°F, while January is the coldest with lows near 72°F.

The closest major airport is Phuket International Airport (HKT), about 151 mi away. Nearby highlights include Khao Sok National Park, Railay Beach, Maya Bay and Phuket.

In plain terms. Today is about average for August. The forecast high of 86°F is in line with the 84°F typical for this month. The best window to be outside is roughly 7 AM to 10 AM, when temperature, rain chance and wind line up best. swimming is the strongest bet in Koh Samui today at 8.9/10. No weather-related travel disruption is expected today. Roads and airports should run normally.

Compiled from this page's own data: atlas facts plus live Open-Meteo readings.

Map of Koh Samui

Interactive map with nearby places. Switch between street, terrain and satellite views.

Coordinates: 9°30′43.2″N 100°0′49″E (9.512, 100.0136)

Quick facts about Koh Samui

TypeIsland
CountryThailand
ContinentAsia
Coordinates9°30′43.2″N 100°0′49″E (9.512, 100.0136)
Known forpalm-fringed beaches in the Gulf
Local time5:09 AM (UTC+07:00)
Best monthsJanuary, February, March and April
ClimateTemperate

Neighboring islands in Thailand

Sorted by distance from Koh Samui.

Getting to Koh Samui

By air
By road, from nearby cities
  • Phuket · 158 mi · roughly 3.6 h driving

Distances are straight-line; driving times assume a 70 km/h average and no traffic.

Airports near Koh Samui

Closest airports with IATA codes and distances.

AirportCodeDistanceServes
Phuket International AirportHKT151 miPhuket
Suvarnabhumi AirportBKK293 miBangkok

Things to do in Koh Samui

Attractions, parks and landmarks in and around Koh Samui.

Explore Koh Samui

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

Map 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 Asia.

What is the weather like in Koh Samui right now?

It is currently 86°F (30°C) with overcast. Humidity is 52% and wind is 5 mph.

When is the best time to visit Koh Samui?

January, February, March and April offer the most comfortable conditions in Koh Samui, which has a temperate climate. October, 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 5:09 AM.

What is the nearest airport to Koh Samui?

The closest airports are Phuket International Airport (HKT), 151 mi away and Suvarnabhumi Airport (BKK), 293 mi away.

What are the top things to do in Koh Samui?

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

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts.
Map tilesOpenStreetMap contributors, CARTO and Esri.
ElevationOpen-Meteo digital elevation model where the dataset has no value.
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 August 23, 2026 at 5:09 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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