Things to Do in Koh Samui
Top things to do in Koh Samui: attractions, parks, viewpoints and day trips, with maps and live weather.
Things to do in Koh Samui
Attractions, parks and landmarks in and around Koh Samui.
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)
Weather in Koh Samui right now
Wear sunglasses and use SPF 30+ if you are outside for long.
Source: Open-Meteo. Updated 2:47 PM, Aug 25 local time.
Best time to visit Koh Samui
Go in January, February, March and April. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: October, November and December - expect the least comfortable mix of heat, cold or rain.
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 79°F (26°C) in Koh Samui with partly cloudy. It feels like 84°F. Today runs from 75°F to 81°F. Chance of precipitation is 67%. Sightseeing conditions score 7.8/10 - 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 81°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. fishing is the strongest bet in Koh Samui today at 9.1/10. Gusts to 37 mph 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.
Explore Koh Samui
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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 79°F (26°C) with partly cloudy. Humidity is 78% and wind is 10 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 2:47 PM.
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 data | USPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts. |
|---|---|
| Map tiles | OpenStreetMap contributors, CARTO and Esri. |
| Elevation | Open-Meteo digital elevation model where the dataset has no value. |
| Method | Scores, 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 25, 2026 at 2:47 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
