Koh Samui Sää Ennuste
Koh Samui weather: 24°C, light showers. Tunneittain forecast, 14-day outlook, UV, air quality and the best time ja visit.
Koh Samui weather in tou
A good month ja visit Koh Samui.
tou runs 1°C warmer than the annual average in Koh Samui.
Sää map for Koh Samui
Animated model layers. Pick a layer ja load it.
Animated layers by Tuuliy. For pin-level detail and nearby places, see the interactive map below.
Ilmasto in Koh Samui month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Kuukausi | Avg high | Avg low | Sadefall | Rating |
|---|---|---|---|---|
| tammikuu | 26° | 22° | 58 mm | ★★★★☆ |
| helmikuu | 27° | 23° | 66 mm | ★★★★☆ |
| maaliskuu | 28° | 24° | 34 mm | ★★★★★ |
| huhtikuu | 30° | 24° | 47 mm | ★★★★☆ |
| tou | 29° | 24° | 140 mm | ★★★★☆ |
| kesäkuu | 30° | 24° | 83 mm | ★★★★☆ |
| heinäkuu | 30° | 24° | 103 mm | ★★★★☆ |
| elokuu | 29° | 23° | 129 mm | ★★★★☆ |
| syyskuu | 28° | 23° | 144 mm | ★★★★☆ |
| lokakuu | 28° | 23° | 178 mm | ★★★☆☆ |
| marraskuu | 26° | 22° | 301 mm | ★★★☆☆ |
| joulukuu | 26° | 22° | 182 mm | ★★★☆☆ |
Ilmasto type: Temperate. Lähde: Open-Meteo archive (ERA5).
Paras aika vierailla Koh Samui
Go in tammikuu, helmikuu, maaliskuu and huhtikuu. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: lokakuu, marraskuu and joulukuu - expect the least comfortable mix of heat, cold or rain.
What ja pack, what ja skip
- suglasses, 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 lokakuu, marraskuu and joulukuu - historically the least comfortable months here.
How Koh Samui compares ja nearby places
Annual averages, and the difference against Koh Samui.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Khao Sok National Park | 176 km | 26°C | +1°C warmer | 2704 mm |
| Railay Beach | 211 km | 27°C | +2°C warmer | 2031 mm |
| Phuket International Airport | 243 km | 28°C | +3°C warmer | 2195 mm |
| toua Bay | 246 km | 28°C | +3°C warmer | 1965 mm |
| Phuket | 254 km | 28°C | +2°C warmer | 1981 mm |
Katso kohteen Koh Samui ennuste aikavälin mukaan
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 Thaimaa. Its coordinates are 9.512, 100.0136. It lies in AAAasia.
What is the weather like in Koh Samui nyt?
It is currently 24°C (74°F) ja light showers. Kosteus is 93% and wind is 15 km/h.
When is the best time ja visit Koh Samui?
tammikuu, helmikuu, maaliskuu and huhtikuu offer the most comfortable conditions in Koh Samui, which has a temperate climate. lokakuu, marraskuu and joulukuu 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 3:46 PM.
What is the nearest airport ja 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 ja do in Koh Samui?
Popular options include Khao Sok National Park, Railay Beach, toua Bay and Langkawi.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts. |
|---|---|
| Ennuste and observations | Open-Meteo (ECMWF and national models). |
| Ilmanlaatu and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Ilmasto 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 lokakuu 28, 2026 at 3:46 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
