Koh Samui Klima and Average Počasí
Klima of Koh Samui: average temperatures, rainfall and seasons month by month.
Klima in Koh Samui month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Měsíc | Avg high | Avg low | Déšťfall | Rating |
|---|---|---|---|---|
| leden | 26° | 22° | 58 mm | ★★★★☆ |
| únor | 27° | 23° | 66 mm | ★★★★☆ |
| březen | 28° | 24° | 34 mm | ★★★★★ |
| duben | 30° | 24° | 47 mm | ★★★★☆ |
| kvě | 29° | 24° | 140 mm | ★★★★☆ |
| červen | 30° | 24° | 83 mm | ★★★★☆ |
| červenec | 30° | 24° | 103 mm | ★★★★☆ |
| srpen | 29° | 23° | 97 mm | ★★★★☆ |
| září | 28° | 23° | 127 mm | ★★★★☆ |
| říjen | 27° | 23° | 235 mm | ★★★☆☆ |
| listopad | 26° | 22° | 301 mm | ★★★☆☆ |
| prosinec | 26° | 22° | 182 mm | ★★★☆☆ |
Klima type: Temperate. Zdroj: Open-Meteo archive (ERA5).
Recent extremes in Koh Samui
Vysokéest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Koh Samui compares s 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 |
| kvěa Bay | 246 km | 28°C | +3°C warmer | 2050 mm |
| Phuket | 254 km | 28°C | +2°C warmer | 2068 mm |
Nejlepší doba k návštěvě Koh Samui
Go in leden, únor, březen and duben. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: říjen, listopad and prosinec - expect the least comfortable mix of heat, cold or rain.
What this means for Koh Samui
Today is slightly cooler than average for srpen. The forecast high of 26°C is 2.8°C below the 29°C typical for this month.
A 93% chance means rain is expected over most of the area. Plan indoor alternatives. Around 18 mm is forecast, which is enough do soak trails and slow traffic.
Nárazy do 57 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 červen do srpen.
The gap between the warmest and coldest month averages 3°C - an unusually even climate through the year.
What do pack, what do skip
- Lightweight, light-coloured clothing and a refillable water bottle
- neglasses, 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 while gusts stay above 57 km/h.
- If your dates are flexible, avoid říjen, listopad and prosinec - historically the least comfortable months here.
Shrnutí
Koh Samui is an island in Thajsko. Koh Samui is an island known for palm-fringed beaches in the Gulf.
Právě teď je 25°C (76°F) in Koh Samui s zataženo. Pocitová teplota je 28°C. Dnes se teploty pohybují od 23°C do 26°C. Pravděpodobnost srážek je 93%. Sightseeing conditions score 7.2/10 - dobré podmínky.
Nejlepší doba k návštěvě Koh Samui is leden, únor, březen and duben. Podnebí je temperate. říjen, listopad and prosinec tend do be the least comfortable months. duben is the warmest month s average highs near 30°C, while leden is the coldest s lows near 22°C.
The closest major airport is Phuket International Airport (HKT), about 243 km away. Nearby highlights include Khao Sok National Park, Railay Beach, kvěa Bay and Phuket.
Jednoduše řečeno. Today is slightly cooler than average for srpen. The forecast high of 26°C is 2.8°C below the 29°C typical for this month. The best window do be outside is roughly 7 AM do 10 AM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Koh Samui today at 9.2/10. Nárazy do 57 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
Počasí map for Koh Samui
Animated model layers. Pick a layer do load it.
Animated layers by Vítry. 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.
Klima for related places
Frequently asked questions
Where is Koh Samui?
Koh Samui is an island in Thajsko. Its coordinates are 9.512, 100.0136. It lies in Asie.
What is the weather like in Koh Samui právě teď?
It is currently 25°C (76°F) s zataženo. Vlhkost is 86% and wind is 14 km/h.
When is the best time do visit Koh Samui?
leden, únor, březen and duben offer the most comfortable conditions in Koh Samui, which has a temperate climate. říjen, listopad and prosinec 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 6:33 AM.
What is the nearest airport do 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 do do in Koh Samui?
Popular options include Khao Sok National Park, Railay Beach, kvěa Bay, Phuket and Langkawi.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts. |
|---|---|
| Předpověď and observations | Open-Meteo (ECMWF and national models). |
| Kvalita ovzduší 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 srpen 24, 2026 at 6:33 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.





