Koh Samui Veður Spá
Koh Samui weather: 23°C, light drizzle. Á klukkustund forecast, 14-day outlook, UV, air quality and the best time til visit.
7-day forecast for Koh Samui
Hæst / Lægst; Úrkoma; UV
| Dagur | Aðstæður | Hæst / Lægst | Úrkoma | Vindur | UV |
|---|---|---|---|---|---|
| mið., okt 28 | 🌧️ Skúrir | 24° / 22° | 100% · 17 mm | 17 km/h | 1 |
| fim., okt 29 | ⛈️ Þrumuveður | 26° / 22° | 99% · 31 mm | 18 km/h | 8 |
| fös., okt 30 | ⛈️ Þrumuveður | 26° / 23° | 100% · 14 mm | 18 km/h | 8 |
| lau., okt 31 | ⛈️ Þrumuveður | 26° / 21° | 92% · 17 mm | 14 km/h | 8 |
| sun., nóv 1 | 🌦️ Drizzle | 27° / 23° | 90% · 5 mm | 11 km/h | 8 |
| mán., nóv 2 | 🌧️ Heavy drizzle | 26° / 22° | 80% · 9 mm | 10 km/h | 7 |
| þri., nóv 3 | 🌦️ Drizzle | 26° / 22° | 92% · 7 mm | 10 km/h | 6 |
Weekend outlook
⛈️ 26° / 21°
Þrumuveður · 92% rain · wind 14 km/h
🌦️ 27° / 23°
Drizzle · 90% rain · wind 11 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
- sun.glasses, 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 október, nóvember and desember - historically the least comfortable months here.
Active alerts for Koh Samui
Derived from the forecast. No official alert feed is wired for this country yet.
Sjá spá fyrir Koh Samui eftir tímabili
Koh Samui weather - more answers
Explore Koh Samui
Every topic we hold for this place, and the same topic for the places around it.
Veður for related places
Frequently asked questions
Where is Koh Samui?
Koh Samui is an island in Taíland. Its coordinates are 9.512, 100.0136. It lies in Asía.
What is the weather like in Koh Samui núna?
It is currently 23°C (74°F) með light drizzle. Raki is 93% and wind is 12 km/h.
When is the best time til visit Koh Samui?
janúar, febrúar, mars and apríl offer the most comfortable conditions in Koh Samui, which has a temperate climate. október, nóvember 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 1:37 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, maía Bay and Langkawi.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts. |
|---|---|
| Spá and observations | Open-Meteo (ECMWF and national models). |
| Loftgæði and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Loftslag 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 október 29, 2026 at 1:37 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
