Koh Samui Clima and Average Tiempo
Clima of Koh Samui: average temperatures, rainfall and seasons month by month.
Clima in Koh Samui month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mes | Máx. media | Mín. media | Precip.itaciones | Valoración |
|---|---|---|---|---|
| enero | 26° | 22° | 58 mm | ★★★★☆ |
| febrero | 27° | 23° | 66 mm | ★★★★☆ |
| marzo | 28° | 24° | 34 mm | ★★★★★ |
| abril | 30° | 24° | 47 mm | ★★★★☆ |
| may | 29° | 24° | 140 mm | ★★★★☆ |
| junio | 30° | 24° | 83 mm | ★★★★☆ |
| julio | 30° | 24° | 103 mm | ★★★★☆ |
| agosto | 29° | 23° | 97 mm | ★★★★☆ |
| septiembre | 28° | 23° | 127 mm | ★★★★☆ |
| octubre | 27° | 23° | 235 mm | ★★★☆☆ |
| noviembre | 26° | 22° | 301 mm | ★★★☆☆ |
| diciembre | 26° | 22° | 182 mm | ★★★☆☆ |
Clima type: Temperate. Fuente: Open-Meteo archive (ERA5).
Recent extremes in Koh Samui
Altoest and lowest readings observed in the last 3 years of reanalysis data – not all-time records.
How Koh Samui compares con 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 | 2745 mm |
| Railay Beach | 211 km | 27°C | +2°C warmer | 2141 mm |
| Phuket International Airport | 243 km | 28°C | +2°C warmer | 2293 mm |
| maya Bay | 246 km | 28°C | +3°C warmer | 2050 mm |
| Phuket | 254 km | 28°C | +2°C warmer | 2068 mm |
Mejor época para visitar Koh Samui
Go in enero, febrero, marzo and abril. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: octubre, noviembre and diciembre – expect the least comfortable mix of heat, cold or rain.
What this means for Koh Samui
Today is about average for agosto. The forecast high of 29°C is in line con the 29°C typical for this month.
A 69% chance means rain is expected over most of the area. Plan indoor alternatives.
Ráfagas a 63 km/h will push high-sided vehicles on exposed roads and bridges. 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 junio a agosto.
The gap between the warmest and coldest month averages 3°C – an unusually even climate through the year.
What a pack, what a skip
- Lightweight, light-coloured clothing and a refillable water bottle
- dom.glasses, a brimmed hat and SPF 30+
- A packable rain shell – 7 of the next 7 days carry a real chance of rain
- Avoid exposed ridgelines, small boats and rooftop viewpoints mientras gusts stay above 63 km/h.
- If your dates are flexible, avoid octubre, noviembre and diciembre – historically the least comfortable months here.
Resumen
Koh Samui is an island in Tailandia. Koh Samui is an island known for palm-fringed beaches in the Gulf.
Ahora mismo hay 26°C (80°F) in Koh Samui con cubierto. La sensación térmica es de 29°C. Hoy las temperaturas van de 24°C a 29°C. La probabilidad de precipitación es del 69%. Las condiciones para hacer turismo obtienen 7.6/10 – buenas condiciones.
La mejor época para visitar Koh Samui is enero, febrero, marzo and abril. El clima es temperate. octubre, noviembre and diciembre suelen ser los meses menos cómodos. abril es el mes más cálido, con máximas medias cercanas a 30°C, mientras enero es el mes más frío, con mínimas cercanas a 22°C.
El aeropuerto principal más cercano es Phuket International Airport (HKT), about 243 km away. Entre los lugares destacados cercanos se encuentran Khao Sok National Park, Railay Beach, maya Bay and Phuket.
En términos sencillos. Today is about average for agosto. The forecast high of 29°C is in line con the 29°C typical for this month. The best window a be outside is roughly 7 AM a 10 AM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Koh Samui today at 8.8/10. Ráfagas a 63 km/h will push high-sided vehicles on exposed roads and bridges. 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
Tiempo map for Koh Samui
Animated model layers. Pick a layer a load it.
Animated layers by Vientoy. 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.
Clima for related places
Frequently asked questions
Where is Koh Samui?
Koh Samui is an island in Tailandia. Its coordinates are 9.512, 100.0136. It lies in Asia.
What is the weather like in Koh Samui ahora mismo?
It is currently 26°C (80°F) con cubierto. Humedad is 74% and wind is 18 km/h.
When is the best time a visit Koh Samui?
enero, febrero, marzo and abril offer the most comfortable conditions in Koh Samui, which has a temperate climate. octubre, noviembre and diciembre are usually the hardest months for outdoor plans.
What time zone is Koh Samui in?
Koh Samui observes Asia/Bangkok (UTC+07:00). The hora local is 10:31 AM.
What is the nearest airport a 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 a do in Koh Samui?
Popular options include Khao Sok National Park, Railay Beach, maya Bay, Phuket and Langkawi.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (islands) – coordinates, hierarchy and facts. |
|---|---|
| Pronóstico and observations | Open-Meteo (ECMWF and national models). |
| Calidad del aire and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Clima 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 agosto 26, 2026 at 10:31 AM hora local. Live blocks refresh every 15 minutes; climate averages monthly.
