Temperature in Thailand in December

December in Thailand has maximum daytime temperatures ranging from high in Mae Salong with 27°C to very high temperatures in Suphan Buri with 34°C. Nighttime temperatures generally drop to 23°C in Suphan Buri and 14°C in Mae Salong. On average, it is one of the coldest months of the year.

What is the temperature of the different cities in Thailand in December?

Find the average daytime temperatures in December for the most popular destinations in Thailand on the map below. Click on a destination dot for more detailed information.

Weather conditions Weather

Temperatures

Precipitation

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Legend

very warm

warm

pleasant

moderate

cold

very cold

Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

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Check the weather conditions for any month in Thailand.

For a detailed overview of the weather over the year and the best time to visit Thailand, check out our Thailand's climate page.

What is the warmest city in December in Thailand?

Suphan Buri tops the warmest city list in our database with average maximum daytime temperatures around 34°C and a minimum nighttime temperature of around 23°C.

What is the coldest city in December in Thailand?

According to our data, Mae Salong holds the title for the coldest city in Thailand in December. It experiences maximum temperatures of approximately 27°C and drops to lows of about 14°C during the night.

How much sun does Thailand get in December?

Bangkok enjoys close to 262 hours of sunlight. This not only brightens the days but also uplifts the atmosphere during the month.

What is the water's temperature in December?

The water temperature averages approximately 29°C in Koh Samui this month, which is a bit warm water for swimming. For many people, water temperatures around 29°C might feel quite warm. Especially when compared to average swimming pool temperatures which are typically between 25°C and 28°C.

Interested in more climate information?

Weather and climate has detailed information for every country in the world. Are you going to Thailand? Get detailed historical weather averages for many cities in Thailand.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.