Koh Samui Climat and Average Météo
Climat of Koh Samui: average temperatures, rainfall and seasons month by month.
Climat in Koh Samui month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mois | Max moyenne | Min moyenne | Précipitations | Évaluation |
|---|---|---|---|---|
| janvier | 26° | 22° | 58 mm | ★★★★☆ |
| février | 27° | 23° | 66 mm | ★★★★☆ |
| mars | 28° | 24° | 34 mm | ★★★★★ |
| avril | 30° | 24° | 47 mm | ★★★★☆ |
| mai | 29° | 24° | 140 mm | ★★★★☆ |
| juin | 30° | 24° | 83 mm | ★★★★☆ |
| juillet | 30° | 24° | 105 mm | ★★★★☆ |
| août | 29° | 23° | 129 mm | ★★★★☆ |
| septembre | 28° | 23° | 105 mm | ★★★★☆ |
| octobre | 27° | 23° | 235 mm | ★★★☆☆ |
| novembre | 26° | 22° | 301 mm | ★★★☆☆ |
| décembre | 26° | 22° | 182 mm | ★★★☆☆ |
Climat type: Temperate. Source : Open-Meteo archive (ERA5).
Recent extremes in Koh Samui
Élevéest and lowest readings observed in the last 3 years of reanalysis data – not all-time records.
How Koh Samui compares avec 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 |
| maia Bay | 246 km | 28°C | +3°C warmer | 1965 mm |
| Phuket | 254 km | 28°C | +2°C warmer | 1981 mm |
Meilleur moment pour visiter Koh Samui
Go in janvier, février, mars and avril. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: octobre, novembre and décembre – expect the least comfortable mix of heat, cold or rain.
What this means for Koh Samui
Today is about average for octobre. The forecast high of 28°C is in line avec the 27°C typical for this month.
A 90% chance means rain is expected over most of the area. Plan indoor alternatives.
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 juin à août.
The gap between the warmest and coldest month averages 3°C – an unusually even climate through the year.
What à pack, what à skip
- dim.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 octobre, novembre and décembre – historically the least comfortable months here.
Résumé
Koh Samui is an island in Thaïlande. Koh Samui is an island known for palm-fringed beaches in the Gulf.
Actuellement, il fait 24°C (76°F) in Koh Samui avec ciel dégagé. La température ressentie est de 28°C. Aujourd’hui, les températures vont de 23°C à 28°C. La probabilité de précipitations est de 90%. Les conditions pour les visites obtiennent 7.5/10 – bonnes conditions.
La meilleure période pour visiter Koh Samui is janvier, février, mars and avril. Le climat est temperate. octobre, novembre and décembre sont généralement les mois les moins confortables. avril est le mois le plus chaud, avec des maximales moyennes proches de 30°C, tandis que janvier est le mois le plus froid, avec des minimales proches de 22°C.
L’aéroport principal le plus proche est Phuket International Airport (HKT), about 243 km away. Parmi les sites à proximité, citons Khao Sok National Park, Railay Beach, maia Bay and Langkawi.
En termes simples. Today is about average for octobre. The forecast high of 28°C is in line avec the 27°C typical for this month. The best window à be outside is roughly 6 PM à 9 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Koh Samui today at 8.6/10. Wet roads are likely; braking distances roughly double in heavy rain.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Koh Samui
Météo map for Koh Samui
Animated model layers. Pick a layer à load it.
Animated layers by Venty. For pin-level detail and nearby places, see the interactive map below.
Explore Koh Samui
Every topic we hold for this place, and the same topic for the places around it.
Climat for related places
Frequently asked questions
Where is Koh Samui?
Koh Samui is an island in Thaïlande. Its coordinates are 9.512, 100.0136. It lies in Asie.
What is the weather like in Koh Samui maintenant?
It is currently 24°C (76°F) avec ciel dégagé. Humidité is 86% and wind is 6 km/h.
When is the best time à visit Koh Samui?
janvier, février, mars and avril offer the most comfortable conditions in Koh Samui, which has a temperate climate. octobre, novembre and décembre are usually the hardest months for outdoor plans.
What time zone is Koh Samui in?
Koh Samui observes Asia/Bangkok (UTC+07:00). The heure locale is 2:24 PM.
What is the nearest airport à 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 à do in Koh Samui?
Popular options include Khao Sok National Park, Railay Beach, maia Bay and Langkawi.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (islands) – coordinates, hierarchy and facts. |
|---|---|
| Prévisions and observations | Open-Meteo (ECMWF and national models). |
| Qualité de l’air and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climat 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 octobre 24, 2026 at 2:24 PM heure locale. Live blocks refresh every 15 minutes; climate averages monthly.
