Thailand's climate is tropical. High in both temperature and humidity. Most people find it pleasant. The average temperature is about 30 degrees Celsius, or 86 degrees Fahrenheit.
When it is getting too hot, just enter a air conditioned room or shop for a while and you will "recharge your batteries".
Remember to drink a lot of water. Even if it is more or less "summer" here year round, you could say that Thailand and Koh Samui has three seasons: The dry season, the hot season and the monsoon or rain season.
Dry Weather ( February – June )
Almost no rain. Sunshine and cool breeze all day long.
Warm Weather ( July – October and December and January )
On the beach, 30-35 degrees Celsius and strong sunshine.
Rainy Season ( October and November )
Warm with heavy rains often during the night.
For an accurate temperature please see the international forecast website: