The current weather and the forecast for the next few days in Koh Samui, Surat Thani, Thailand, with times shown in local time.
Koh Samui weather and forecast
27°C
Light rain
Feels like 30°C
High 29°C · Low 27°C
NightUpdated 02:48
Weather may be out of date
Weather may be out of date- Chance of rain
- 100%
- Rainfall
- 0.6 mm
- Humidity
- 87%
- Wind
- 10 km/h from SE
- Gusts
- 10 km/h
- Cloud cover
- 99%
- UV index
- 0 · Low
- Pressure
- 1011 mb
- Visibility
- 20 km
- Sunrise
- 06:09
- Sunset
- 17:58
Koh Samui Hourly forecast
Rain likely now – 14:00 (up to 100%)
- Now
27°CLight rain100%1.3 mmFeels 30°C
11 km/h - 07:0027°CLight rain100%1.1 mmFeels 31°C
12 km/h - 08:0027°CLight rain84%0.1 mmFeels 31°C
13 km/h - 09:0028°CLight rain84%0.1 mmFeels 32°C
15 km/h - 10:0028°CLight rain84% Feels 32°C
17 km/h - 11:0028°CLight rain84%0.4 mmFeels 32°C
17 km/h - 12:0028°CLight rain84%0.1 mmFeels 32°C
15 km/h - 13:0028°CLight rain84% Feels 32°C
15 km/h - 14:00
28°COvercast32% Feels 32°C
15 km/h - 15:0028°COvercast32% Feels 32°C
15 km/h - 16:0028°COvercast32% Feels 33°C
15 km/h - 17:0028°COvercast32% Feels 33°C
15 km/h - 18:0028°COvercast32% Feels 33°C
17 km/h - 19:0028°COvercast32% Feels 33°C
18 km/h - 20:00
29°CPartly cloudy29% Feels 33°C
19 km/h - 21:0029°CPartly cloudy29% Feels 33°C
20 km/h - 22:0029°CPartly cloudy29% Feels 34°C
21 km/h - 23:0029°CPartly cloudy29%0.2 mmFeels 34°C
23 km/h - Tomorrow00:0029°CPartly cloudy29% Feels 34°C
24 km/h - 01:0028°COvercast29%0.1 mmFeels 33°C
22 km/h - 02:0028°COvercast45% Feels 33°C
20 km/h - 03:0028°CPartly cloudy45%0.2 mmFeels 33°C
19 km/h - 04:0028°CPartly cloudy45% Feels 33°C
19 km/h - 05:0028°CPartly cloudy45% Feels 32°C
19 km/h - 06:0028°COvercast45% Feels 32°C
20 km/h - 07:0028°COvercast45% Feels 32°C
21 km/h - 08:0028°COvercast39% Feels 33°C
22 km/h - 09:0028°COvercast39% Feels 33°C
24 km/h - 10:0028°COvercast39% Feels 33°C
24 km/h - 11:00
29°CPartly cloudy39% Feels 34°C
22 km/h - 12:0029°CPartly cloudy39% Feels 34°C
21 km/h - 13:0029°COvercast39% Feels 34°C
20 km/h - 14:0028°COvercast39% Feels 33°C
20 km/h - 15:0028°COvercast39% Feels 33°C
21 km/h - 16:0029°COvercast39% Feels 33°C
23 km/h - 17:0029°COvercast39% Feels 33°C
24 km/h - 18:0028°COvercast39% Feels 33°C
24 km/h - 19:0028°COvercast39% Feels 33°C
23 km/h - 20:0029°CLight rain71%0.3 mmFeels 33°C
23 km/h - 21:0028°CLight rain71%1.6 mmFeels 33°C
22 km/h - 22:0028°CLight rain71%0.3 mmFeels 33°C
21 km/h - 23:0028°CLight rain71% Feels 33°C
20 km/h - Sat 31 Oct00:0028°CLight rain71%1.0 mmFeels 32°C
19 km/h - 01:0028°CLight rain71%0.5 mmFeels 32°C
17 km/h - 02:0028°CLight rain84% Feels 32°C
15 km/h - 03:0028°CLight rain84% Feels 32°C
14 km/h - 04:0028°CLight rain84% Feels 31°C
13 km/h - 05:0028°CLight rain84% Feels 31°C
14 km/h - 06:0028°CLight rain84% Feels 31°C
15 km/h - 07:0028°CLight rain84% Feels 32°C
16 km/h - 08:0028°CLight rain52% Feels 32°C
17 km/h - 09:0028°CLight rain52%0.1 mmFeels 33°C
18 km/h - 10:0028°CLight rain52%0.1 mmFeels 33°C
19 km/h - 11:0028°CLight rain52%0.1 mmFeels 33°C
19 km/h - 12:0028°CLight rain52%0.2 mmFeels 33°C
18 km/h - 13:0029°CLight rain52% Feels 33°C
17 km/h - 14:0029°CPartly cloudy7% Feels 34°C
17 km/h - 15:0029°CPartly cloudy7% Feels 33°C
16 km/h - 16:0029°CPartly cloudy7% Feels 33°C
17 km/h - 17:0028°CPartly cloudy7% Feels 33°C
18 km/h - 18:0028°CPartly cloudy7% Feels 33°C
19 km/h - 19:0028°CPartly cloudy7% Feels 33°C
19 km/h - 20:0028°CPartly cloudy32% Feels 33°C
19 km/h - 21:0028°CPartly cloudy32% Feels 33°C
19 km/h - 22:0028°CPartly cloudy32% Feels 33°C
19 km/h - 23:0028°CPartly cloudy32% Feels 33°C
18 km/h - Sun 1 Nov00:0028°CPartly cloudy32% Feels 33°C
16 km/h - 01:0028°CPartly cloudy32% Feels 33°C
14 km/h - 02:0028°CLight rain74% Feels 32°C
13 km/h - 03:0028°CLight rain74% Feels 32°C
12 km/h - 04:0028°CLight rain74%0.1 mmFeels 32°C
12 km/h - 05:0028°CLight rain74% Feels 32°C
12 km/h - 06:0028°CLight rain74%0.1 mmFeels 32°C
12 km/h - 07:0028°CLight rain74%0.1 mmFeels 33°C
11 km/h - 08:0028°CPartly cloudy42%0.2 mmFeels 33°C
11 km/h - 09:0028°CPartly cloudy42%0.3 mmFeels 33°C
11 km/h - 10:0028°CPartly cloudy42%0.2 mmFeels 33°C
11 km/h - 11:0028°CPartly cloudy42%0.6 mmFeels 33°C
10 km/h - 12:0028°CPartly cloudy42%0.7 mmFeels 33°C
10 km/h - 13:0028°CPartly cloudy42% Feels 33°C
10 km/h - 14:0028°CPartly cloudy7% Feels 33°C
10 km/h - 15:0028°CPartly cloudy7% Feels 33°C
10 km/h - 16:0028°CPartly cloudy7% Feels 33°C
12 km/h - 17:0028°CPartly cloudy7% Feels 33°C
14 km/h - 18:0028°CPartly cloudy7% Feels 33°C
14 km/h - 19:0028°CPartly cloudy7% Feels 33°C
15 km/h - 20:0028°CPartly cloudy7% Feels 33°C
15 km/h - 21:0028°CPartly cloudy7% Feels 33°C
15 km/h - 22:0028°CPartly cloudy7% Feels 33°C
15 km/h - 23:0028°CPartly cloudy7%0.3 mmFeels 33°C
15 km/h
Chance of rain (%) · amount below (mm)
Koh Samui 4-day forecast
Today29 OctLight rain100%5.3 mm29°C 27°C
- Chance of rain
- 100%
- Rainfall
- 5.3 mm
- Humidity
- 83%
- Max wind
- 23 km/h
- Max gusts
- 25 km/h
- UV index
- 5 · Moderate
- Sunrise
- 06:09
- Sunset
- 17:58
Tomorrow30 OctOvercast71%2.5 mm29°C 28°C
- Chance of rain
- 71%
- Rainfall
- 2.5 mm
- Humidity
- 82%
- Max wind
- 24 km/h
- Max gusts
- 28 km/h
- UV index
- 8 · Very high
- Sunrise
- 06:09
- Sunset
- 17:57
Saturday31 OctLight rain84%2.0 mm29°C 28°C
- Chance of rain
- 84%
- Rainfall
- 2.0 mm
- Humidity
- 82%
- Max wind
- 19 km/h
- Max gusts
- 21 km/h
- UV index
- 9 · Very high
- Sunrise
- 06:09
- Sunset
- 17:57
Sunday1 NovLight rain74%2.6 mm28°C 28°C
- Chance of rain
- 74%
- Rainfall
- 2.6 mm
- Humidity
- 82%
- Max wind
- 16 km/h
- Max gusts
- 19 km/h
- UV index
- 9 · Very high
- Sunrise
- 06:09
- Sunset
- 17:57
Times are local to Koh Samui.
Seasons and climate in Koh Samui
The forecast above is a short-term prediction for the coming days. It is not a guide to what the weather is usually like at this time of year; for that, use our climate guides, which describe typical seasonal patterns.
- Koh Samui Weather Guide: Seasons, Monsoon & Packing
Master Koh Samui's unique climate with our practical guide. Discover exact temperatures, the truth about November monsoons, and why you must pack your own SPF.
- Best Time to Visit Thailand: Seasonal Weather & Cost Guide
- Koh Samui travel guide
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