Koh Samui Vrijeme Prognoza
Koh Samui weather: 23°C, rosulja. Po satu forecast, 14-day outlook, UV, air quality and the best time do visit.
Risk assessment for Koh Samui
Derived from the current forecast window - not an official warning.
Peak gusts of 50 km/h and 1 thunderstorm day in the next 16 days.
Wettest single day forecast at 62 mm, 318 mm across the window. Flash flooding risk rises sharply above 50 mm in a day.
Active alerts for Koh Samui
Derived from the forecast. No official alert feed is wired for this country yet.
16-day forecast for Koh Samui
Maks. / Min.; Oborine; UV
| Dan | Uvjeti | Maks. / Min. | Oborine | Vjetar | UV |
|---|---|---|---|---|---|
| pon, lis 26 | 🌦️ Light showers | 25° / 22° | 97% · 16 mm | 18 km/h | 7 |
| uto, lis 27 | 🌧️ Pljuskovi | 25° / 22° | 87% · 23 mm | 18 km/h | 6 |
| sri, lis 28 | ⛈️ Grmljavina | 23° / 21° | 100% · 62 mm | 16 km/h | 8 |
| čet, lis 29 | 🌧️ Pljuskovi | 26° / 22° | 96% · 23 mm | 19 km/h | 5 |
| pet, lis 30 | 🌦️ Light showers | 25° / 22° | 94% · 11 mm | 15 km/h | 8 |
| sub, lis 31 | 🌧️ Heavy drizzle | 26° / 22° | 87% · 10 mm | 15 km/h | 7 |
| ned, stu 1 | 🌧️ Heavy drizzle | 26° / 22° | 81% · 5 mm | 10 km/h | 8 |
| pon, stu 2 | 🌦️ Light showers | 26° / 21° | 91% · 16 mm | 14 km/h | 8 |
| uto, stu 3 | 🌧️ Heavy drizzle | 26° / 21° | 88% · 10 mm | 13 km/h | 8 |
| sri, stu 4 | 🌧️ Heavy drizzle | 25° / 22° | 88% · 17 mm | 14 km/h | 8 |
| čet, stu 5 | 🌦️ Light drizzle | 25° / 22° | 94% · 5 mm | 11 km/h | 8 |
| pet, stu 6 | 🌦️ Light showers | 25° / 21° | 96% · 24 mm | 13 km/h | 8 |
| sub, stu 7 | 🌧️ Pljuskovi | 23° / 21° | 92% · 50 mm | 16 km/h | 8 |
| ned, stu 8 | 🌧️ Heavy drizzle | 25° / 22° | 92% · 19 mm | 15 km/h | 8 |
| pon, stu 9 | 🌦️ Light showers | 26° / 21° | 87% · 19 mm | 17 km/h | 8 |
| uto, stu 10 | 🌦️ Rosulja | 26° / 24° | 70% · 7 mm | 19 km/h | 7 |
What this means for Koh Samui
Today is slightly cooler than average for listopad. The forecast high of 25°C is 2.6°C below the 27°C typical for this month.
A 97% chance means rain is expected over most of the area. Plan indoor alternatives. Around 16 mm is forecast, which is enough do soak trails and slow traffic.
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 lipanj do kolovoz.
The gap between the warmest and coldest month averages 3°C - an unusually even climate through the year.
Pogledajte prognozu za Koh Samui po vremenskom razdoblju
Koh Samui weather - more answers
Explore Koh Samui
Every topic we hold for this place, and the same topic for the places around it.
Vrijeme for related places
Frequently asked questions
Where is Koh Samui?
Koh Samui is an island in Tajland. Its coordinates are 9.512, 100.0136. It lies in Azija.
What is the weather like in Koh Samui sada?
It is currently 23°C (74°F) uz rosulja. Vlažnost is 94% and wind is 11 km/h.
When is the best time do visit Koh Samui?
siječanj, veljača, ožujak and travanj offer the most comfortable conditions in Koh Samui, which has a temperate climate. listopad, studeni and prosinac 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 12:08 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, svia Bay and Langkawi.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts. |
|---|---|
| Prognoza and observations | Open-Meteo (ECMWF and national models). |
| Kvaliteta zraka 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 listopad 26, 2026 at 12:08 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.





