Koh Samui Weer Voorspelling
Koh Samui weather: 26°C, overwegend helder. Per uur forecast, 14-day outlook, UV, air quality and the best time en visit.
Koh Samui weather in juli
A good month en visit Koh Samui.
juli runs 1°C warmer than the annual average in Koh Samui.
Weer map for Koh Samui
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Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Klimaat in Koh Samui month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Maand | Gem. maximum | Gem. minimum | Neerslag | Beoordeling |
|---|---|---|---|---|
| januari | 26° | 22° | 58 mm | ★★★★☆ |
| februari | 27° | 23° | 66 mm | ★★★★☆ |
| maart | 28° | 24° | 34 mm | ★★★★★ |
| april | 30° | 24° | 47 mm | ★★★★☆ |
| mei | 29° | 24° | 140 mm | ★★★★☆ |
| juni | 30° | 24° | 83 mm | ★★★★☆ |
| juli | 30° | 24° | 105 mm | ★★★★☆ |
| augustus | 29° | 23° | 129 mm | ★★★★☆ |
| september | 28° | 23° | 105 mm | ★★★★☆ |
| oktober | 27° | 23° | 235 mm | ★★★☆☆ |
| november | 26° | 22° | 301 mm | ★★★☆☆ |
| december | 26° | 22° | 182 mm | ★★★☆☆ |
Klimaat type: Temperate. Bron: Open-Meteo archive (ERA5).
Beste reistijd Koh Samui
Go in januari, februari, maart and april. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: oktober, november and december – expect the least comfortable mix of heat, cold or rain.
What en pack, what en skip
- Lightweight, light-coloured clothing and a refillable water bottle
- zoglasses, a brimmed hat and SPF 30+
- A packable rain shell – 7 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid oktober, november and december – historically the least comfortable months here.
How Koh Samui compares met nearby places
Annual averages, and the difference against Koh Samui.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Khao Sok National Park | 176 km | 26°C | +1°C warmer | 2702 mm |
| Railay Beach | 211 km | 27°C | +2°C warmer | 2044 mm |
| Phuket International Airport | 243 km | 28°C | +3°C warmer | 2195 mm |
| meia Bay | 246 km | 28°C | +3°C warmer | 1965 mm |
| Phuket | 254 km | 28°C | +2°C warmer | 1981 mm |
Bekijk de voorspelling voor Koh Samui per periode
Koh Samui weather – more answers
Explore Koh Samui
Every topic we hold for this place, and the same topic for the places around it.
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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 Azië.
What is the weather like in Koh Samui nu?
It is currently 26°C (78°F) met overwegend helder. Luchtvochtigheid is 87% and wind is 1 km/h.
When is the best time en visit Koh Samui?
januari, februari, maart and april offer the most comfortable conditions in Koh Samui, which has a temperate climate. oktober, 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 lokale tijd is 8:23 PM.
What is the nearest airport en 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 en do in Koh Samui?
Popular options include Khao Sok National Park, Railay Beach, meia Bay and Langkawi.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (islands) – coordinates, hierarchy and facts. |
|---|---|
| Voorspelling and observations | Open-Meteo (ECMWF and national models). |
| Luchtkwaliteit and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klimaat averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| 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 oktober 6, 2026 at 8:23 PM lokale tijd. Live blocks refresh every 15 minutes; climate averages monthly.





