Ko Samui weather — 10-day forecast
Temperature, rain, wind and feels-like in Ko Samui, hour by hour and over 10 days, with the seasonal normal for context.
Now
Reading from 19:00 · DWD ICON global model
31 °C
Overcast
Feels like 34 °C
Next 12 h
- 1931°
- 2031°
- 2130°
- 2230°
- 2329°
- 0029°
- 0129°
- 0228°
- 0328°
- 0428°
- 0528°
- 0628°
- 06:12Sunrise
- 0728°
↑ 31°19:00↓ 28°04:00
- Humidity
- 68 %
- Dew point
- 24 °C
- Gusts
- 21.3 km/h
- Clouds
- 100 %
- Pressure
- 1,007 hPa ↑
- Storm
- possible
Grid point 7.8 km away · 13.0 km grid · elevation 0 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by Ozone
- Ozone
- 44.8µg/m³
- PM2.5
- 6.2µg/m³
- PM10
- 9.8µg/m³
- Nitrogen dioxide
- 1.5µg/m³
- Sulphur dioxide
- 0.6µg/m³
- Carbon monoxide
- 98.0µg/m³
- Dust (AOD)
- 0.01
Generated using Copernicus Atmosphere Monitoring Service information
Hour by hour
Step-by-step detail: temperature, wind, cloud cover and ultraviolet.
10 days
Each day's extremes and the chance of rain, out to the end of the run.
Rain probability (> 1 mm): 50 ECMWF ensemble members.
Today
Overcast48 %
31°
28°
Sat
Thunderstorm64 %
31°
28°
Sun
Thunderstorm70 %
31°
28°
Mon
Thunderstorm74 %
29°
28°
Tue
Thunderstorm74 %
30°
28°
Wed
Light drizzle48 %
29°
29°
Thu
Thunderstorm5 mm
29°
29°
Fri
Thunderstorm4 mm
30°
28°
Sat
Thunderstorm8 mm
31°
26°
Sun
Thunderstorm6 mm
27°
26°
Gusts · Sat 59.3 km/h · Sun 71.0 km/h
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 06:12
- Daylight
- 12 h 29
- Sunset
- 18:41
Radiation · 12.7 MJ/m²
Sea state
Sea state at the marine grid point closest to the city.
Significant height: the mean of the highest third of waves. Individual waves reach about twice it.
Data: ECMWF
Today in Ko Samui the mean temperature will be 29.5 °C — +2.0 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)
Nearby cities
The climate around Ko Samui