Island in 泰国

Koh Samui 天气 预报

Koh Samui weather: 25°C, light drizzle. 逐小时 forecast, 14-day outlook, UV, air quality and the best time至visit.

🌦️ 25°C now🕔 5:28 PM local📅 Best: 一月, 二月, 三月 and 四月

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25°C (77°F) in Koh Samui,天气为light drizzle. 体感温度为28°C. 今天气温在23°C至28°C. 降水概率为88%. Sightseeing conditions score 7.3/10 - 良好.

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 about average for 九月. The forecast high of 28°C is in line,天气为the 28°C typical for this month. The best window至be outside is roughly 7 AM至10 AM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Koh Samui today at 9.1/10. 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

🌦️
25°C
Light drizzle · feels like 28°C
湿度85%
16 km/h WNW
阵风44 km/h
UV指数2.2 · 低
云量89%
气压961 hPa
能见度Good · 17 km
空气质量50 · Good
海水温度30°C
浪高0.1 m
日出6:09 AM
日落6:19 PM
月亮🌒 Waxing crescent · 18%

Open-Meteo Updated 5:28 PM, 九月 16 local time.

查看 Koh Samui 的分时预报

接下来 24 小时

逐小时温度、降水概率和风力

5 PM🌦️25°68%15 km/h
6 PM🌦️24°81%15 km/h
7 PM🌦️24°88%12 km/h
8 PM🌦️24°84%12 km/h
9 PM🌦️24°73%13 km/h
10 PM🌦️23°63%14 km/h
11 PM🌦️23°56%8 km/h
12 AM☁️23°51%7 km/h
1 AM☁️23°49%8 km/h
2 AM☁️23°53%8 km/h
3 AM🌦️23°60%11 km/h
4 AM🌦️23°63%12 km/h
5 AM🌦️23°60%15 km/h
6 AM🌦️23°53%12 km/h
7 AM🌦️23°47%14 km/h
8 AM🌦️24°43%14 km/h
9 AM🌦️25°39%13 km/h
10 AM☁️25°39%15 km/h
11 AM🌦️26°44%16 km/h
12 PM🌦️27°52%16 km/h
1 PM🌦️26°61%17 km/h
2 PM🌦️26°72%12 km/h
3 PM🌦️25°85%13 km/h
4 PM🌦️25°94%8 km/h

16-day forecast for Koh Samui

最高 / 最低; 降水; UV

日期天气状况最高 / 最低降水UV
周三, 九月 16🌦️ Light showers28° / 23°88% · 5 mm18 km/h8
周四, 九月 17🌦️ 毛毛雨27° / 23°97% · 5 mm17 km/h8
周五, 九月 18🌦️ Light showers26° / 23°94% · 17 mm19 km/h9
周六, 九月 19⛈️ 雷暴27° / 22°95% · 10 mm20 km/h6
周日, 九月 20🌧️ 阵雨27° / 23°92% · 11 mm15 km/h5
周一, 九月 21🌦️ Light showers26° / 23°86% · 8 mm9 km/h4
周二, 九月 22🌦️ Light showers28° / 23°76% · 13 mm7 km/h1
周三, 九月 23⛈️ 雷暴26° / 23°81% · 21 mm6 km/h2
周四, 九月 24🌦️ 毛毛雨27° / 24°79% · 6 mm5 km/h3
周五, 九月 25🌦️ 毛毛雨27° / 24°80% · 8 mm7 km/h2
周六, 九月 26🌦️ 毛毛雨27° / 23°83% · 11 mm10 km/h2
周日, 九月 27🌧️ Heavy drizzle28° / 23°91% · 12 mm9 km/h4
周一, 九月 28🌧️ Heavy drizzle26° / 23°77% · 14 mm9 km/h6
周二, 九月 29🌧️ Heavy drizzle27° / 23°74% · 16 mm8 km/h9
周三, 九月 30🌧️ Heavy drizzle25° / 23°80% · 14 mm7 km/h8
周四, 十月 1🌧️ Heavy drizzle25° / 22°44% · 3 mm13 km/h6

气候 in Koh Samui month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

Line: average high · Bars: rainfall
月份Avg highAvg low雨fallRating
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°96 mm★★★★
九月28°23°127 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).

天气 map for Koh Samui

Animated model layers. Pick a layer至load it.

Loading map…

Animated layers by 风y. For pin-level detail and nearby places, see the interactive map below.

空气质量 and pollen in Koh Samui

50
Good
空气质量 is satisfactory for everyone.
PM2.52.8 µg/m³
PM103.4 µg/m³
Ozone57 µg/m³
NO₂0.7 µg/m³
UV指数2.2 · 低
Airborne hazeNoticeable haze

空气质量: Open-Meteo (CAMS). US AQI scale.

周日, twilight and moon

日出6:09 AM
日落6:19 PM
日期light12h 10m
Solar noon12:14 PM
Golden hour (am)6:09 AM - 7:09 AM
Golden hour (pm)5:19 PM - 6:19 PM
Blue hour (am)5:39 AM - 6:09 AM
Blue hour (pm)6:19 PM - 6:49 PM
月亮 phase🌒 Waxing crescent · 18%
月亮rise10:05 AM
月亮set10:05 PM

Golden and blue hour are the standard photographic approximation around sunrise and sunset.

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.

一月★★★★
二月★★★★
三月★★★★★
四月★★★★
五月★★★★
六月★★★★
七月★★★★
八月★★★★
九月★★★★
十月★★★☆☆
十一月★★★☆☆
十二月★★★☆☆

Explore Koh Samui

Every topic we hold for this place, and the same topic for the places around it.

天气 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 25°C (77°F),天气为light drizzle. 湿度 is 85% and wind is 16 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 5:28 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 dataUSPOTUS Atlas dataset (islands) - coordinates, hierarchy and facts.
预报 and observationsOpen-Meteo (ECMWF and national models).
空气质量 and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
气候 averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
MethodScores, 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 九月 16, 2026 at 5:28 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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