Koh Samui Καιρός Πρόγνωση
Koh Samui weather: 23°C, Ψιχάλα. Ανά ώρα forecast, 14-day outlook, UV, air quality and the best time έως visit.
Koh Samui weather in Δεκέμβριος
A workable month, με trade-offs.
Δεκέμβριος runs 1°C cooler than the annual average in Koh Samui.
Καιρός map for Koh Samui
Animated model layers. Pick a layer έως load it.
Animated layers by Άνεμοςy. For pin-level detail and nearby places, see the interactive map below.
Κλίμα in Koh Samui month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Μήνας | Avg high | Avg low | Βροχήfall | Rating |
|---|---|---|---|---|
| Ιανουάριος | 26° | 22° | 58 mm | ★★★★☆ |
| Φεβρουάριος | 27° | 23° | 66 mm | ★★★★☆ |
| Μάρτιος | 28° | 24° | 34 mm | ★★★★★ |
| Απρίλιος | 30° | 24° | 47 mm | ★★★★☆ |
| Μάι | 29° | 24° | 140 mm | ★★★★☆ |
| Ιούνιος | 30° | 24° | 83 mm | ★★★★☆ |
| Ιούλιος | 30° | 24° | 105 mm | ★★★★☆ |
| Αύγουστος | 29° | 23° | 129 mm | ★★★★☆ |
| Σεπτέμβριος | 28° | 23° | 105 mm | ★★★★☆ |
| Οκτώβριος | 27° | 23° | 235 mm | ★★★☆☆ |
| Νοέμβριος | 26° | 22° | 301 mm | ★★★☆☆ |
| Δεκέμβριος | 26° | 22° | 182 mm | ★★★☆☆ |
Κλίμα type: Temperate. Πηγή: Open-Meteo archive (ERA5).
Καλύτερη εποχή για επίσκεψη Koh Samui
Go in Ιανουάριος, Φεβρουάριος, Μάρτιος and Απρίλιος. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: Οκτώβριος, Νοέμβριος and Δεκέμβριος - expect the least comfortable mix of heat, cold or rain.
What έως pack, what έως skip
- Κυρglasses, 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 Οκτώβριος, Νοέμβριος and Δεκέμβριος - historically the least comfortable months here.
How Koh Samui compares με 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 | 2702 mm |
| Railay Beach | 211 km | 27°C | +2°C warmer | 2044 mm |
| Phuket International Airport | 243 km | 28°C | +3°C warmer | 2195 mm |
| Μάιa Bay | 246 km | 28°C | +3°C warmer | 1965 mm |
| Phuket | 254 km | 28°C | +2°C warmer | 1981 mm |
Δείτε την πρόγνωση για Koh Samui ανά χρονικό διάστημα
Koh Samui weather - more answers
Explore Koh Samui
Every topic we hold for this place, and the same topic for the places around it.
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Frequently asked questions
Where is Koh Samui?
Koh Samui is an island in Ταϊλάνδη. Its coordinates are 9.512, 100.0136. It lies in Ασία.
What is the weather like in Koh Samui τώρα?
It is currently 23°C (74°F) με Ψιχάλα. Υγρασία is 94% and wind is 11 km/h.
When is the best time έως visit Koh Samui?
Ιανουάριος, Φεβρουάριος, Μάρτιος and Απρίλιος offer the most comfortable conditions in Koh Samui, which has a temperate climate. Οκτώβριος, Νοέμβριος and Δεκέμβριος 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 3:21 AM.
What is the nearest airport έως 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 έως do in Koh Samui?
Popular options include Khao Sok National Park, Railay Beach, Μάιa Bay and Langkawi.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts. |
|---|---|
| Πρόγνωση and observations | Open-Meteo (ECMWF and national models). |
| Ποιότητα αέρα and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Κλίμα 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 Οκτώβριος 27, 2026 at 3:21 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
