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.