Our 14 day weather forecast for Koh Samui becomes more accurate the closer to the date of your visit, so always be sure to check in frequently for any weather updates.

Koh Samui 14 day forecast

Date	Temperatures		Wind
Thursday, May 7	30 ° / 29 °	Patchy rain possible	16 Km/h
Friday, May 8	30 ° / 29 °	Patchy rain possible	14 Km/h
Saturday, May 9	30 ° / 29 °	Partly cloudy	18 Km/h
Sunday, May 10	30 ° / 29 °	Partly cloudy	14 Km/h
Monday, May 11	29 ° / 28 °	Patchy rain possible	19 Km/h
Tuesday, May 12	30 ° / 29 °	Thundery outbreaks possible	17 Km/h
Wednesday, May 13	30 ° / 29 °	Patchy rain possible	4 Km/h
Thursday, May 14	30 ° / 29 °	Patchy rain possible	29 Km/h
Friday, May 15	31 ° / 29 °	Patchy rain possible	31 Km/h
Saturday, May 16	29 ° / 28 °	Overcast	37 Km/h
Sunday, May 17	29 ° / 28 °	Patchy light rain	32 Km/h
Monday, May 18	28 ° / 26 °	Light rain	40 Km/h
Tuesday, May 19	28 ° / 27 °	Patchy light rain	22 Km/h
Wednesday, May 20	29 ° / 28 °	Light rain shower	5 Km/h
Further Ahead

Koh Samui 14 days – weather graph

The weather in Koh Samui for the next 14 days - FAQ

What will the temperature be in Koh Samui during the next 14 days?

The temperature will range between 31° C and 28° C. The hottest day in the next 2 weeks will be on May 15 and the coldest on May 18.

Will it rain at Koh Samui in the next 14 days?

Yes, there will be around 13 days with rain and an overall rainfall of 34.6 mm.

Can I see more details about the weather in Koh Samui on a specific day?

Yes, you can click on any of the days in the gallery above, or check today and tomorrow weather in Koh Samui's pages.

Do you have a weather forecast for Koh Samui for more than 14 days?

You can check the Koh Samui long range weather page, it is not a forecast, but it can give you an idea of how the weather in Koh Samui will be like (based on past weather information).

More about the weather in Koh Samui