Average monthly rainy days in Ko Samui
The number of days each month with rain, snow and hail in Ko Samui, Thailand.
- Most rainy days are in May, June, July, August, September, October and November.
- On average, October is the most rainy with 20 days of rain/snow.
- On average, March is the driest month with 4 rainy days.
- The average annual amount of rainy days is: 163.
Weather Forecasts for Ko Samui
Sun Mar 26
34°C | 25°C
E 
11 km/h
11 km/h
almost clear and no rain
Mon Mar 27
33°C | 26°C
E 11 km/h
11 km/h0.9 mm
broken clouds and showers
Tue Mar 28
33°C | 25°C
SE 18 km/h
18 km/h
half cloudy and no rain
