Koh Samui Vær Værmelding
Koh Samui weather: 23°C, light drizzle. Time for time forecast, 14-day outlook, UV, air quality and the best time til visit.
7-day forecast for Koh Samui
Maks. / Min.; Nedbør; UV
| Dag | Forhold | Maks. / Min. | Nedbør | Vind | UV |
|---|---|---|---|---|---|
| ons, sep 30 | 🌧️ Heavy drizzle | 27° / 23° | 86% · 5 mm | 12 km/h | 9 |
| tor, okt 1 | 🌦️ Yr | 27° / 23° | 86% · 3 mm | 7 km/h | 9 |
| fre, okt 2 | 🌦️ Yr | 27° / 23° | 86% · 5 mm | 8 km/h | 9 |
| lør, okt 3 | ⛈️ Tordenvær | 27° / 22° | 86% · 8 mm | 11 km/h | 9 |
| søn, okt 4 | 🌦️ Yr | 27° / 23° | 76% · 5 mm | 10 km/h | 8 |
| man, okt 5 | 🌦️ Light drizzle | 28° / 24° | 82% · 3 mm | 10 km/h | 9 |
| tir, okt 6 | ⛈️ Tordenvær | 27° / 23° | 99% · 9 mm | 8 km/h | 9 |
Weekend outlook
⛈️ 27° / 22°
Tordenvær · 86% rain · wind 11 km/h
🌦️ 27° / 23°
Yr · 76% rain · wind 10 km/h
Is today a good day til visit?
Activity scores from 0 til 10 based on temperature, rain, wind, sun and visibility.
What til pack, what til skip
- sønglasses, 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 desember - historically the least comfortable months here.
Se prognosen for Koh Samui etter tidsintervall
Koh Samui weather - more answers
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 akkurat nå?
It is currently 23°C (73°F) med light drizzle. Luftfuktighet is 97% and wind is 11 km/h.
When is the best time til visit Koh Samui?
januar, februar, mars and april offer the most comfortable conditions in Koh Samui, which has a temperate climate. oktober, november and desember 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 6:41 AM.
What is the nearest airport til 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 til do in Koh Samui?
Popular options include Khao Sok National Park, Railay Beach, maia Bay and Langkawi.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts. |
|---|---|
| Værmelding and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet 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 oktober 1, 2026 at 6:41 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
