Koh Samui Vær Værmelding
Koh Samui weather: 28°C, mest klart. Time for time forecast, 14-day outlook, UV, air quality and the best time til visit.
UV-indeks in Koh Samui
Full protection required. Avoid direct sun between 10am and 4pm. Burn times are approximate, for unprotected skin at peak UV.
Health and safety today
| Skin and UV | Full protection required. Avoid direct sun between 10am and 4pm. |
|---|---|
| Heat stress | The heat index is 30°C, higher than the air temperature because humidity is 63%. Sweat evaporates slowly, so drink before you feel thirsty and take shade breaks. |
| Pets | Pavement can be 20°C hotter than the air. Walk dogs early or late, never leave animals in cars, and carry water. |
| Older adults | Heat builds up slowly indoors. Check on anyone over 65 living alone and keep rooms ventilated. |
| Children | Small bodies overheat faster than adults. Shade, hats and frequent drinks; skip midday sport. |
Neste 24 timer
Temperatur, nedbørssannsynlighet og vind time for time.
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 28°C (83°F) med mest klart. Luftfuktighet is 63% and wind is 7 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 5:08 PM.
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.
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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 5:08 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
