Best Time至Visit Koh Samui
最佳旅游时间 Koh Samui: 一月, 二月, 三月 and 四月. 月份-by-month temperature, rainfall and crowd guidance.
最佳旅游时间 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.
气候 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 | ★★★☆☆ |
气候 type: Temperate. 来源： Open-Meteo archive (ERA5).
How Koh Samui compares，天气为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
- 周日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 泰国. Koh Samui is an island known for palm-fringed beaches in the Gulf.
目前气温为23°C (74°F) in Koh Samui，天气为毛毛雨. 体感温度为27°C. 今天气温在22°C至25°C. 降水概率为97%. Sightseeing conditions score 6.3/10 - 一般 — 根据天气安排.
最佳旅游时间是Koh Samui is 一月, 二月, 三月 and 四月. 气候为temperate. 十月, 十一月 and 十二月 tend至be the least comfortable months. 四月 is the warmest month，天气为average highs near 30°C, while 一月 is the coldest，天气为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.
简单来说。 Today is slightly cooler than average for 十月. The forecast high of 25°C is 2.6°C below the 27°C typical for this month. The best window至be outside is roughly 6 PM至9 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Koh Samui today at 9.4/10. 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.
天气：Koh Samui现在
Wear sunglasses and use SPF 30+ if you are outside for long.
Open-Meteo Updated 8:15 PM, 十月 26 local time.
Weekend outlook
🌧️ 26° / 22°
Heavy drizzle · 87% rain · wind 15 km/h
🌧️ 26° / 22°
Heavy drizzle · 81% rain · wind 10 km/h
可做的活动 in Koh Samui
景点, 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 泰国. Its coordinates are 9.512, 100.0136. It lies in 亚洲.
What is the weather like in Koh Samui现在?
It is currently 23°C (74°F)，天气为毛毛雨. 湿度 is 94% and wind is 11 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 8:15 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. |
|---|---|
| 预报 and observations | Open-Meteo (ECMWF and national models). |
| 空气质量 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 气候 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 26, 2026 at 8:15 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
