Average Monthly Sunshine hours in Koh Samui
This graph shows the average number of hours per month that Koh Samui receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.
- On average, March is the sunniest month with 240 hours of sunshine.
- September has on average the lowest amount of sunshine with 145 hours.
- On average, the total annual amount of sun is 2150 hours.
Forecast: is it sunny in Koh Samui?
broken clouds and chance of rain
broken clouds and rain
broken clouds and slight rain