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
Sunday, September 20	29 ° / 25 °	Light rain shower	10 Km/h
Monday, September 21	28 ° / 26 °	Patchy rain possible	11 Km/h
Tuesday, September 22	28 ° / 27 °	Light rain shower	15 Km/h
Wednesday, September 23	28 ° / 27 °	Patchy rain possible	24 Km/h
Thursday, September 24	28 ° / 25 °	Moderate or heavy rain shower	36 Km/h
Friday, September 25	27 ° / 26 °	Light rain shower	34 Km/h
Saturday, September 26	28 ° / 27 °	Light rain shower	34 Km/h
Sunday, September 27	27 ° / 26 °	Moderate or heavy rain shower	35 Km/h
Monday, September 28	28 ° / 26 °	Light rain shower	36 Km/h
Tuesday, September 29	29 ° / 28 °	Patchy rain possible	19 Km/h
Wednesday, September 30	29 ° / 28 °	Light rain shower	5 Km/h
Thursday, October 1	29 ° / 28 °	Light rain shower	5 Km/h
Friday, October 2	29 ° / 27 °	Patchy rain possible	12 Km/h
Saturday, October 3	29 ° / 28 °	Patchy rain possible	8 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 29° C and 27° C. The hottest day in the next 2 weeks will be on September 20 and the coldest on September 25.

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 38.4 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