Koh Samui Weather December

To help you choose the best time to travel, you can find climate data below on the weather on Koh Samui in December.

	average daily high	+29.2°C
	average daily low	+23.9°C
	sea temperature	+27°C
	daytime	12 h
	sunny / overcast hours	5.7 / 6.3
	average monthly precipitation	210 mm

High season with the best weather conditions for the beach leisure on Koh Samui are typically January, February.

Best places in December

Temperature on Koh Samui

In December the average daily maximum on Koh Samui is +29.2°C, and the minimum +23.9°C.

The hottest December day on record is +32.3°C, and the coldest +18.8°C.

Most booked hotels on Koh Samui

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Best beach resorts in December:

Daylight hours

There are 12 hours of daylight on Koh Samui in December. Out of these, on average 5.7 are sunny, which means it is mostly cloudy.

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Sea temperature

The average monthly temperature in the Gulf of Thailand on the beaches of Koh Samui in December is +27°C.

The water is not only warm enough to bathe in, but it is also possible to stay in the water for an extended amount of time.

Koh Samui climate by month

Precipitation

The amount of precipitation on Koh Samui in December is usually 210 mm, a very high amount.