Koh Samui Wetter Vorhersage
Koh Samui weather: 27°C, bedeckt. Stündlich forecast, 14-day outlook, UV, air quality and the best time und visit.
Will it rain in Koh Samui?
Yes – rain is likely in Koh Samui today.
A 96% chance means rain is expected over most of the area. Plan indoor alternatives. Around 10 mm is forecast, which is enough und soak trails and slow traffic.
Over the next 7 days, about 77 mm of precipitation is forecast, mit the wettest days falling on Di., Mi., Do., Fr., Sa., So. and Mo..
Niederschlag over the next 7 days is close und normal for Oktober (77 mm against a typical 55 mm).
16-day Vorhersage für Koh Samui
Tägliche Höchst- und Tiefstwerte, Niederschlag und UV.
| Tag | Bedingungen | Höchst / Tiefst | Niederschlag | Wind | UV |
|---|---|---|---|---|---|
| Di., Okt 6 | 🌧️ Schauer | 28° / 23° | 96% · 10 mm | 11 km/h | 9 |
| Mi., Okt 7 | 🌧️ Schauer | 27° / 22° | 94% · 17 mm | 9 km/h | 8 |
| Do., Okt 8 | 🌧️ Starker Nieselregen | 27° / 22° | 99% · 5 mm | 11 km/h | 9 |
| Fr., Okt 9 | 🌦️ Leichte Schauer | 26° / 22° | 91% · 7 mm | 14 km/h | 6 |
| Sa., Okt 10 | ⛈️ Gewitter | 25° / 23° | 97% · 12 mm | 10 km/h | 8 |
| So., Okt 11 | ⛈️ Gewitter | 26° / 22° | 96% · 17 mm | 7 km/h | 8 |
| Mo., Okt 12 | 🌦️ Nieselregen | 25° / 22° | 96% · 10 mm | 8 km/h | 7 |
| Di., Okt 13 | 🌦️ Nieselregen | 27° / 23° | 89% · 5 mm | 8 km/h | 2 |
| Mi., Okt 14 | 🌦️ Nieselregen | 26° / 23° | 96% · 9 mm | 10 km/h | 8 |
| Do., Okt 15 | 🌧️ Starker Nieselregen | 26° / 22° | 90% · 14 mm | 9 km/h | 9 |
| Fr., Okt 16 | 🌧️ Starker Nieselregen | 26° / 22° | 96% · 6 mm | 7 km/h | 9 |
| Sa., Okt 17 | 🌦️ Leichter Nieselregen | 26° / 23° | 84% · 5 mm | 9 km/h | 9 |
| So., Okt 18 | 🌦️ Leichter Nieselregen | 25° / 24° | 94% · 6 mm | 10 km/h | 8 |
| Mo., Okt 19 | 🌧️ Starker Nieselregen | 24° / 23° | 88% · 10 mm | 12 km/h | 9 |
| Di., Okt 20 | 🌧️ Starker Nieselregen | 26° / 22° | 45% · 16 mm | 10 km/h | 8 |
| Mi., Okt 21 | 🌦️ Leichte Schauer | 26° / 25° | 45% · 7 mm | 16 km/h | 8 |
What this means for Koh Samui
Today is about average for Oktober. The forecast high of 28°C is in line mit the 27°C typical for this month.
A 96% chance means rain is expected over most of the area. Plan indoor alternatives. Around 10 mm is forecast, which is enough und 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 Juni und August.
The gap between the warmest and coldest month averages 3°C – an unusually even climate through the year.
What und pack, what und skip
- So.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 Oktober, November and Dezember – historically the least comfortable months here.
Vorhersage für Koh Samui nach Zeitraum ansehen
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 Asien.
What is the weather like in Koh Samui jetzt?
It is currently 27°C (80°F) mit bedeckt. Luftfeuchtigkeit is 75% and wind is 4 km/h.
When is the best time und visit Koh Samui?
Januar, Februar, März and April offer the most comfortable conditions in Koh Samui, which has a temperate climate. Oktober, November and Dezember are usually the hardest months for outdoor plans.
What time zone is Koh Samui in?
Koh Samui observes Asia/Bangkok (UTC+07:00). The Ortszeit is 2:20 PM.
What is the nearest airport und 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 und 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. |
|---|---|
| Vorhersage and observations | Open-Meteo (ECMWF and national models). |
| Luftqualität 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 6, 2026 at 2:20 PM Ortszeit. Live blocks refresh every 15 minutes; climate averages monthly.
