Daytime highs, nighttime lows and the warmest cities in Koh Samui, Thailand this December.
Koh Samui, Thailand, a region in Thailand, typically experiences warm weather in December, with maximum daytime temperatures around 29°C (84°F) and nighttime temperatures around 26°C (79°F) in Chaweng Beach.
Find the average daytime temperatures in December for the most popular destinations in Koh Samui on the map below. Click on a destination dot for more detailed information.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Koh Samui.
Marker color shows the average daytime high temperature in December: blue is cold, red is hot.
Daytime temperatures in Chaweng Beach typically peak at 29°C (84°F) in December, putting it in the high range.
After dark, Chaweng Beach cools to about 26°C (79°F) on an average December night.
Most areas experience a moderate amount of sunshine, with approximately 177 hours of sunlight expected in Chaweng Beach. This makes it neither too gloomy nor overly bright.
We have much more information about the climate in Koh Samui.
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