Koh Samui, Thailand Weather

Surat Thani, Thailand · Friday, Oct 16 · local time 3:39 PM

29°

⛅

Partly cloudy now · feels like 34°
High 29° · Low 29°

Precipitation today0.0 mm

Wind gusts12 km/hpeak 5 PM

Humidity69%driest 3 PM

Pressure1007.5 hPafalling

🌅 Sunrise 6:23 AM · 🌇 Sunset 6:16 PM

Updated Oct 16, 3:39 PM · data details

📷 6 recent weather photos from Koh Samui and nearby →

Animated temperature & precipitation forecast

Indochina forecast map — temperature and clouds; Koh Samui marked

33°Bangkok

31°Chiang Mai

30°Phuket

30°Pattaya

33°Hanoi

31°Ho Chi Minh

27°Da Nang

27°Nha Trang

33°Phnom Penh

32°Siem Reap

31°Vientiane

32°Yangon

32°Mandalay

30°Hat Yai

29°Krabi

30°Koh Chang

29°Hua Hin

29°Koh Samui

🌡️ Temperature + clouds · Fri, Oct 16 · 4:00 PM

+9h

Live frames from the Weathershot map (run 2026-10-16T00:00Z) · not radar — model-based precipitation & temperature · bars next to a city = accumulated rain (one bar ≈ 10 mm), dot = a trace, violet bar = extreme totals

open the full 16-day interactive map ▶

QR code to install the NOAA Weather Live app

Scan to install

Radar · Widgets · Hourly & 14-day

NOAA Weather Live

All-important weather info on your iPhone and iPad.

Rain radar, the temperature right on the app icon, and the 5 fastest weather widgets in your notification center — only the info you actually need. Free.

Get the app

Free · iPhone & Android

16-Day Extended Weather Forecast

Days 1–7: regular forecast · days 8–16: extended, lower confidence

Today

Oct 16

⛅

29° / 29°

💨 12 km/h

Sat

Oct 17

⛅

30° / 29°

💨 11 km/h

Sun

Oct 18

⛈️

29° / 28°

💧 5.3 mm

💨 9 km/h

Mon

Oct 19

⛈️

29° / 28°

💧 5.1 mm

💨 4 km/h

Tue

Oct 20

🌦️

29° / 28°

💧 4.0 mm

Wed

Oct 21

🌦️

29° / 28°

💧 2.1 mm

Thu

Oct 22

🌦️

29° / 27°

💧 2.0 mm

Extended
lower
confidence

Fri

Oct 23

🌧️

29° / 28°

💧 6.3 mm

Sat

Oct 24

🌦️

29° / 28°

💧 1.9 mm

Sun

Oct 25

🌧️

29° / 28°

💧 13.6 mm

Mon

Oct 26

🌧️

29° / 28°

💧 6.5 mm

Tue

Oct 27

🌧️

28° / 27°

💧 6.7 mm

Wed

Oct 28

🌧️

28° / 27°

💧 6.7 mm

Thu

Oct 29

☀️

29° / 28°

Fri

Oct 30

🌧️

29° / 28°

💧 5.2 mm

Sat

Oct 31

🌦️

29° / 28°

💧 3.9 mm

Recent weather photos from Koh Samui

Real photos from the Weathershot community — each with the temperature at the moment it was taken

Cloudy weather in Ko Samui District, 28°C — October 6, 2026 (community photo) — ☁️ Cloudy · 28°C · Oct 6, 2026📷 Lincoln L.

Partly cloudy weather in Amphoe Ko Samui, 28°C — March 20, 2026 (community photo) — ⛅ Partly cloudy · 28°C · Mar 20, 2026📷 Kofler123

Partly cloudy weather in Amphoe Ko Samui, 27°C — March 1, 2023 (community photo) — ⛅ Partly cloudy · 27°C · Mar 1, 2023📷 ปาวิณา สีจง

Rainy weather in Chang Wat Surat Thani, 27°C — August 14, 2024 (community photo) — 🌧️ Rainy · 27°C · Aug 14, 2024📷 Jean S.

Cloudy weather near Koh Samui, 24°C — November 8, 2022 (community photo) — ☁️ Cloudy · 24°C · Nov 8, 2022📷 Jum J.

Weather in Ko Samui District, 31°C — April 2, 2024 (community photo) — 📷 31°C · Apr 2, 2024📷 Boobpa

Scan to install

20M+ downloads · #1 weather app in 6 countries

Weathershot

Temperature on camera picture!

Snap a photo — Weathershot stamps the real weather on it. Everywhere you go, always share the weather; your shot could land on this page.

Get the app

Free · iPhone & Android

October in Koh Samui through the years

From the Weathershot archive · one photo per year when available

Rainy night weather in Chang Wat Surat Thani, 25°C — October 9, 2021 (community photo) — 🌧️ Rainy night · 25°C · Oct 2021📷 Sky C.

Cloudy weather in Chang Wat Surat Thani, 31°C — October 15, 2021 (community photo) — ☁️ Cloudy · 31°C · Oct 2021📷 suparb jarurnroop

Weather in Amphoe Ko Samui, 0°C — October 19, 2021 (community photo) — 📷 0°C · Oct 2021📷 ภาวิณี คงแป้น

Weather in Amphoe Ko Samui, 0°C — October 20, 2021 (community photo) — 📷 0°C · Oct 2021📷 ภาวิณี คงแป้น

Rainy night weather in Amphoe Ko Samui, 28°C — October 27, 2021 (community photo) — 🌧️ Rainy night · 28°C · Oct 2021📷 jaae11037

Rainy weather in Amphoe Ko Samui, 26°C — October 31, 2021 (community photo) — 🌧️ Rainy · 26°C · Oct 2021📷 jaae11037

Weather in Chang Wat Surat Thani, 26°C — October 22, 2023 (community photo) — 📷 26°C · Oct 2023📷 Jum J.

Cloudy weather in Ko Samui District, 29°C — October 5, 2026 (community photo) — ☁️ Cloudy · 29°C · Oct 2026📷 Lincoln L.

Koh Samui, Thailand Weather

16-Day Extended Weather Forecast

Next 48 hours

Recent weather photos from Koh Samui

October in Koh Samui through the years

Nearby cities