Best Time至Visit Koh Samui
最佳旅遊時間 Koh Samui: 一月, 二月, 三月 and 四月. 月份-by-month temperature, rainfall and crowd guidance.
最佳旅遊時間 Koh Samui
Go in 一月, 二月, 三月 and 四月. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: 十月, 十一月 and 十二月 - expect the least comfortable mix of heat, cold or rain.
氣候 in Koh Samui month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| 月份 | Avg high | Avg low | 雨fall | Rating |
|---|---|---|---|---|
| 一月 | 26° | 22° | 58 mm | ★★★★☆ |
| 二月 | 27° | 23° | 66 mm | ★★★★☆ |
| 三月 | 28° | 24° | 34 mm | ★★★★★ |
| 四月 | 30° | 24° | 47 mm | ★★★★☆ |
| 五月 | 29° | 24° | 140 mm | ★★★★☆ |
| 六月 | 30° | 24° | 83 mm | ★★★★☆ |
| 七月 | 30° | 24° | 105 mm | ★★★★☆ |
| 八月 | 29° | 23° | 129 mm | ★★★★☆ |
| 九月 | 28° | 23° | 105 mm | ★★★★☆ |
| 十月 | 27° | 23° | 235 mm | ★★★☆☆ |
| 十一月 | 26° | 22° | 301 mm | ★★★☆☆ |
| 十二月 | 26° | 22° | 182 mm | ★★★☆☆ |
氣候 type: Temperate. 來源： Open-Meteo archive (ERA5).
How Koh Samui compares，天氣為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 |
| 五月a Bay | 246 km | 28°C | +3°C warmer | 1965 mm |
| Phuket | 254 km | 28°C | +2°C warmer | 1981 mm |
What至pack, what至skip
- Lightweight, light-coloured clothing and a refillable water bottle
- 週日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 十月, 十一月 and 十二月 - historically the least comfortable months here.
摘要
Koh Samui is an island in 泰國. Koh Samui is an island known for palm-fringed beaches in the Gulf.
目前氣溫為25°C (77°F) in Koh Samui，天氣為light drizzle. 體感溫度為29°C. 今天氣溫介於24°C至30°C. 降雨機率為94%. Sightseeing conditions score 7.4/10 - 良好.
最佳旅遊時間是Koh Samui is 一月, 二月, 三月 and 四月. 氣候為temperate. 十月, 十一月 and 十二月 tend至be the least comfortable months. 四月 is the warmest month，天氣為average highs near 30°C, while 一月 is the coldest，天氣為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, 五月a Bay and Langkawi.
簡單來說。 Today is slightly warmer than average for 十月. The forecast high of 30°C is 2.6°C above the 27°C typical for this month. The best window至be outside is roughly 5 PM至8 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Koh Samui today at 9.6/10. 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.
天氣：Koh Samui現在
Open-Meteo Updated 8:14 PM, 十月 23 local time.
Weekend outlook
🌦️ 27° / 22°
Light showers · 80% rain · wind 10 km/h
🌦️ 27° / 22°
Light showers · 80% rain · wind 13 km/h
可以做的事 in Koh Samui
景點, parks and landmarks in and around Koh Samui.
Quick facts about Koh Samui
Explore Koh Samui
Every topic we hold for this place, and the same topic for the places around it.
Best Time至Visit for related places
Frequently asked questions
Where is Koh Samui?
Koh Samui is an island in 泰國. Its coordinates are 9.512, 100.0136. It lies in 亞洲.
What is the weather like in Koh Samui現在?
It is currently 25°C (77°F)，天氣為light drizzle. 濕度 is 86% and wind is 7 km/h.
When is the best time至visit Koh Samui?
一月, 二月, 三月 and 四月 offer the most comfortable conditions in Koh Samui, which has a temperate climate. 十月, 十一月 and 十二月 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 8:14 PM.
What is the nearest airport至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至do in Koh Samui?
Popular options include Khao Sok National Park, Railay Beach, 五月a Bay and Langkawi.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts. |
|---|---|
| 預報 and observations | Open-Meteo (ECMWF and national models). |
| 空氣品質 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 氣候 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 十月 23, 2026 at 8:14 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
