Koh Samui Počasí Předpověď
Koh Samui weather: 28°C, většinou jasno. Po hodinách forecast, 14-day outlook, UV, air quality and the best time do visit.
Will it rain in Koh Samui?
Yes - rain is likely in Koh Samui today.
A 78% chance means rain is expected over most of the area. Plan indoor alternatives.
Over the next 7 days, about 35 mm of precipitation is forecast, s the wettest days falling on čt, pá, so, ne, po, út and st.
Déšťfall over the next 7 days is close do normal for říjen (35 mm against a typical 55 mm).
16-day forecast for Koh Samui
Max. / Min.; Srážky; UV
| Den | Podmínky | Max. / Min. | Srážky | Vítr | UV |
|---|---|---|---|---|---|
| čt, říj 1 | 🌦️ Light drizzle | 28° / 23° | 78% · 1 mm | 9 km/h | 9 |
| pá, říj 2 | 🌦️ Light showers | 27° / 23° | 82% · 4 mm | 9 km/h | 9 |
| so, říj 3 | ⛈️ Bouřka | 27° / 23° | 82% · 4 mm | 11 km/h | 9 |
| ne, říj 4 | 🌦️ Mrholení | 27° / 24° | 79% · 2 mm | 11 km/h | 9 |
| po, říj 5 | 🌦️ Light drizzle | 27° / 23° | 78% · 3 mm | 11 km/h | 9 |
| út, říj 6 | ⛈️ Bouřka | 27° / 22° | 96% · 11 mm | 10 km/h | 8 |
| st, říj 7 | 🌧️ Heavy drizzle | 27° / 22° | 96% · 10 mm | 8 km/h | 9 |
| čt, říj 8 | 🌧️ Heavy drizzle | 26° / 22° | 94% · 9 mm | 10 km/h | 8 |
| pá, říj 9 | 🌦️ Light drizzle | 27° / 23° | 86% · 4 mm | 10 km/h | 8 |
| so, říj 10 | 🌦️ Light showers | 26° / 23° | 75% · 8 mm | 9 km/h | 8 |
| ne, říj 11 | 🌦️ Light showers | 26° / 21° | 84% · 18 mm | 9 km/h | 9 |
| po, říj 12 | 🌦️ Mrholení | 25° / 23° | 90% · 8 mm | 7 km/h | 8 |
| út, říj 13 | 🌦️ Light showers | 26° / 23° | 90% · 14 mm | 7 km/h | 8 |
| st, říj 14 | ⛈️ Bouřka | 26° / 22° | 82% · 22 mm | 6 km/h | 4 |
| čt, říj 15 | 🌦️ Mrholení | 26° / 22° | 61% · 12 mm | 15 km/h | 7 |
| pá, říj 16 | 🌦️ Light showers | 25° / 23° | 52% · 33 mm | 27 km/h | 9 |
What this means for Koh Samui
Today is about average for říjen. The forecast high of 28°C is in line s the 27°C typical for this month.
A 78% chance means rain is expected over most of the area. Plan indoor alternatives.
Wet roads are likely; braking distances roughly double in heavy rain.
Within 15 degrees of the equator, day length barely changes all year; seasons are defined by rain, not temperature.
Northern Hemisphere, so peak summer falls in červen do srpen.
The gap between the warmest and coldest month averages 3°C - an unusually even climate through the year.
What do pack, what do skip
- Lightweight, light-coloured clothing and a refillable water bottle
- neglasses, a brimmed hat and SPF 30+
- A packable rain shell - 7 of the next 7 days carry a real chance of rain
- Vysoké-factor sunscreen and a long-sleeve sun layer for midday
- Avoid unshaded sightseeing between 10am and 4pm - the UV index peaks at 9.
- If your dates are flexible, avoid říjen, listopad and prosinec - historically the least comfortable months here.
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Koh Samui weather - more answers
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Frequently asked questions
Where is Koh Samui?
Koh Samui is an island in Thajsko. Its coordinates are 9.512, 100.0136. It lies in Asie.
What is the weather like in Koh Samui právě teď?
It is currently 28°C (83°F) s většinou jasno. Vlhkost is 63% and wind is 7 km/h.
When is the best time do visit Koh Samui?
leden, únor, březen and duben offer the most comfortable conditions in Koh Samui, which has a temperate climate. říjen, listopad and prosinec 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 8:58 PM.
What is the nearest airport do 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 do do in Koh Samui?
Popular options include Khao Sok National Park, Railay Beach, kvěa Bay and Langkawi.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts. |
|---|---|
| Předpověď and observations | Open-Meteo (ECMWF and national models). |
| Kvalita ovzduší and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima 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 říjen 1, 2026 at 8:58 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
