Current Local Time in Koh Samui
Current local time and time zone in Koh Samui, with UTC offset and daylight saving details.
Current local time in Koh Samui
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Sun, twilight and moon
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Quick facts about Koh Samui
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 77°F (25°C) in Koh Samui with light drizzle. It feels like 81°F. Today runs from 71°F to 80°F. Chance of precipitation is 85%. Sightseeing conditions score 5.8/10 - fair - plan around the weather.
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 Langkawi.
In plain terms. Today is about average for October. The forecast high of 80°F is in line with the 81°F typical for this month. The best window to be outside is roughly 6 PM to 9 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Koh Samui today at 8.9/10. Visibility is down to 2,4 mi - use low beams and leave extra following distance. Gusts to 34 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.
Map of Koh Samui
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Coordinates: 9°30′43.2″N 100°0′49″E (9.512, 100.0136)
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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 77°F (25°C) with light drizzle. Humidity is 84% and wind is 11 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 8:38 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 and Langkawi.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts. |
|---|---|
| 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 October 27, 2026 at 8:38 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
