Thailand Weather in December

In northern cities like Chiang Mai, temperatures typically range from 68°F ≈ 20°C to  86°F ≈ 30°C, providing a pleasant escape from the heat of the preceding months. Southern regions, including popular tourist destinations like Bangkok, Phuket and Krabi, maintain warmer temperatures averaging between 77°F ≈ 25°C to 90°F ≈ 32.22°C, ideal for beach activities and outdoor adventures.

Thailand Weather december

Weather Conditions in Thailand in December

The Thailand weather in December is dry and cool, particularly in the northern regions. Meanwhile, the southern areas remain warmer. Due to the pleasant weather, clear skies, and low humidity, December is a peak tourist season in Thailand. It’s an ideal time for outdoor activities, beach vacations, and exploring cultural sites. However, popular tourist destinations will be full of tourists, so consider early booking for accommodations and tours.

The Thailand weather in December is favorable across the country as it transitions from the rainy season to the dry season. Temperatures vary depending on the region, with cooler weather prevailing in the north. 

Humidity levels decrease significantly compared to the rainy season, making the atmosphere more comfortable for travelers. Clear skies and abundant sunshine characterize most days, perfect for enjoying outdoor activities such as snorkeling, diving, and exploring national parks.


Despite the peak tourist season, December offers an excellent opportunity to immerse in Thailand’s vibrant culture, indulge in delicious Thai cuisine, and explore its rich historical and natural attractions amidst comfortable weather conditions.


Air Quality in Different Parts of Thailand in December

Thailand in December will have improved air quality compared to the preceding months, particularly in urban areas, due to decreased humidity and lower pollution levels. But note that some big cities, especially Bangkok, may still encounter moderate levels of air pollution, primarily from vehicular emissions and industrial activities.


Central Thailand’s air quality will significantly improve in December compared to previous months, with lower pollution levels due to decreased humidity and reduced agricultural burning. However, urban areas like Bangkok may still have moderate levels of air pollution.


Northern Thailand generally enjoys good air quality in December, with lower pollution levels than in other months. The cooler temperatures and decreased humidity contribute to clearer skies and reduced agricultural burning, which improves air conditions. Cities like Chiang Mai and Chiang Rai will have relatively clean air.


Southern Thailand typically experiences good air quality in December, with clean and clear skies across the region. The decrease in humidity contributes to improved air conditions, particularly in coastal cities like Phuket and Krabi. 


Does it Rain in Thailand in December?

The Thailand weather in December is typically dry, especially in central and northern regions. Some southern areas might experience occasional light showers. However, rain is not common in Thailand during December, making it a popular month for tourists to explore, thanks to the generally pleasant and sunny weather.


What to Do in Thailand in December

Here are some of the best things to do in Thailand in December:


Visit historical sites – explore Thailand’s rich cultural heritage by visiting iconic landmarks such as the Grand Palace in Bangkok or the ancient ruins of Ayutthaya. But note that these sites can get crowded in December, so come as early as you can.


Attend festivals – experience the vibrant local culture by participating in festivals like the Chiang Mai Flower Festival or the Loi Krathong Festival, where you can witness floating lanterns released into the night sky.


Relax on beaches – unwind on Thailand’s stunning beaches, such as Phuket, Krabi, or Koh Samui, and soak up the sun while enjoying the cool sea breeze.


Go Shopping in Bangkok – discover the end of year deals in malls around Bangkok. With Christmas promotions you are likely to spend more but you will get good deals. Plus you get to enjoy the decorations every mall puts up.


Indulge in street food – sample the mouthwatering food offerings in bustling streets, markets, and night bazaars, savoring local delicacies like pad thai, som tam, and mango sticky rice.


Take a cultural tour – immerse yourself in Thai culture by taking a traditional cooking class, learning about Buddhist customs at local temples, or watching a traditional Thai dance performance.


Experience Thai cuisine – delight your taste buds with authentic Thai cuisine by dining at local restaurants, trying regional specialties, and indulging in fresh seafood dishes prepared with locally sourced ingredients.


Enjoy outdoor activities – take advantage of the pleasant Thailand weather in December to engage in outdoor adventures like trekking in the lush jungles of Chiang Mai or snorkeling in the crystal-clear waters of the Andaman Sea.

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