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Thailand Temperature, Thailand Weather

Weather in Thailand in December 2025

Weather in Thailand in December 2025
Thailand Weather and Temperature in December 2025

Table of Contents

The weather in the month of December is usually cool making Thailand the best destination to visit. The average temperature ranges between 25°C to 32°C. The rainfall decreases drastically as compared to other months. You will experience a warm and pleasant climate throughout Thailand with an average sunshine of about 8 – 9 hours. The humidity level is really low of about 60% which makes it the perfect spot to enjoy outdoor activities.

What’s the weather like in Thailand in December?

December is obviously a good month for enjoying a holiday in Thailand. In the month of December, Thailand experiences cool and pleasant weather making it the best place to visit if someone wants to escape the scorching sun. You will get to experience clear skies and lush greenery around you and less humidity. The weather may differ from one region to another. Northern Thailand (Chiang Mai), Central and Southern Thailand (Bangkok, Phuket, Koh Samui) are usually warm and pleasant with minimal rainfall. Eastern Thailand (Koh Chang) and Southeast Thailand (Koh Samui, Koh Tao) receive slightly higher rainfall as compared to other regions.

December is the best time for tourists to visit Thailand as you will not find much crowd during this time and also get to experience a peaceful time in the wanderlust land of Thailand. Most of the outdoor activities which were closed during the rainy season are now operational.

What to Expect in October?

Average daily temperatures

The average temperature during the daytime ranges between 25°C to 32°C. At night the temperature drops drastically to 10 – 20°C.The weather may differ from one region to another. Northern Thailand is generally cooler with a temperature of around 15°C – 28°C. Southern Thailand is comparatively warmer with slight rainfall in the evening.

Sunshine

December is the driest month in Thailand making it an ideal destination for tourists as you can explore the outdoor activities and immerse yourself in the exotic beaches of Thailand. On an average you will receive 8-9 hours of sunlight. The humidity level also decreases drastically to 60%.

Rainfall

Rainfall is minimal during the month of December, with some places still receiving short bursts of rainfall. The rainfall may vary from one region to another. The Northern region receives less rainfall as compared to the Southern region. Therefore, it is better to carry a raincoat or umbrella just in case you might need it.

Thailand Weather in Different Months

Is December a good time to visit Thailand?

Yes, December is one of the best months to visit Thailand because you will be able to enjoy the outdoor activities and most of the places will be open by this time. You will get to experience clear skies, less humidity and minimal rainfall especially in popular tourist attraction areas like Bangkok, Chiang Mai, and Phuket. Overall December is good for sightseeing and island hopping.

Pros and Cons of Visiting Thailand in December

ProsCons
Thailand has cool and dry weather in the month of December which makes it the best place to visit.Fares are higher during this period which can make the trip to Thailand a little bit expensive.

There is less humidity in December  as compared to the other months which makes it an ideal time to visit.

While the northern and central Thailand are pleasant, the south might receive fair amount of rainfall.
The weather is perfect if you want to engage in water activities like snorkelling, swimming or just relaxing on the beach.Since the weather is amazing you will find more crowds in the region which can disrupt your travelling experience.
December is the month full of festivals. You can immerse in the cultural events that are celebrated in the city.The sea condition might not be good, t which can make boat and beach activities less enjoyable.

All Your Questions Answered

What is the weather like in Thailand in December?

The weather in Thailand is cool and dry during the month of December.

Does it rain a lot in Thailand in December?

No, it does not rain a lot in the month of December.

Which part of Thailand has the best weather in December?

In December, the northern part of Thailand, including Chiang Mai and Pai, offers the best weather with sunny days and cooler evenings.

What to wear in Thailand in December?

It is preferable to carry light breathable clothes and is  best to carry an umbrella or raincoat.

Is Thailand crowded in December?

Yes, Thailand is not crowded during December.

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