Thailand weather in December

Wondering about the weather in Thailand in December? Read on for a run-down of everything you need to know. Here we cover everything from average air and sea temperatures, to what to expect in terms of costs and crowds, and what to wear. In addition, we share inspired itinerary suggestions that’ll help you make the most of your trip.

Is December a good time to visit Thailand?

December is a great time to visit Thailand. The weather in Thailand in December is generally dry and pleasant, with milder temperatures in the north and central areas and ideal beach weather in the south. 

The vacation season in Thailand is full of festive decorations and celebrations, but it is also the peak of tourist traffic, especially during the Christmas and New Year period, so it is advisable to book accommodation well in advance. 

Despite the crowds and higher prices in popular tourist areas, cultural events and festivals such as New Year celebrations make this an extremely attractive time to explore this beautiful country.

Ready to explore Thailand? Embark on your dream trip hassle-free with the help of our Thailand travel experts.

Average daily temperatures in December

December is one of the coolest and driest months in Thailand, making it perfect for travel. In Bangkok, expect highs of 87°F (31°C) and lows around 70°F (21°C). Chiang Mai enjoys cooler days at 82°F (28°C) and chilly nights around 59°F (15°C). 

In Phuket, Krabi and Samui, it’s tropical with highs of 87°F (31°C) and lows of 77°F (25°C). Rain is minimal across the country, with Bangkok and Chiang Mai receiving less than 1 inch (25mm), while Phuket sees around 3 inches (80mm). You’ll get plenty of sunshine, with around 9 hours per day.

Rough Guides tip: As you plan your trip to Bangkok, make sure to choose the ideal place to stay in the city.

What about the crowd & cost?

Thailand is at its busiest as tourists come for winter vacations. Popular islands like Koh Phi Phi, Koh Samui, and Phuket are packed. Prices for hotels, flights, and tours are at their highest, especially around Christmas and New Year. Major attractions like the temples in Bangkok or Chiang Mai’s Old City will be crowded, so patience is required. Advance reservation is essential if you want to secure accommodations at reasonable rates. If you’re looking to avoid the crowds, consider heading to lesser-known regions like Nan or Loei.

Decided to book a December break? For further inspiration, discover more of the best places to visit in December.

What to do in Thailand in December

While going on a trip, one must consider the weather in Thailand in December and the nuances that this month brings. You may also be interested in our list of the best things to do in Thailand at any time of year.

Get into the festive mood

In December, Thailand comes alive with a unique blend of Thai culture and festive spirit. Tourist areas are decorated with magnificent decorations to create a festive atmosphere. Take part in the celebrations and witness the harmonious fusion of local traditions and the joy of the festive season.

Enjoy the outdoor activities

Thailand's diverse landscapes make December the perfect time for outdoor enthusiasts. You can explore lush national parks, go on thrilling hikes or discover pristine lakes by kayaking. 

For underwater adventures, you can dive into crystal clear waters and see colorful coral reefs teeming with marine life. Also, Khao Sok National Park with its dense rainforests and mesmerizing wildlife is the perfect place for nature lovers and adventure seekers in December.

Make sure to read all about the best time to visit Thailand.

Witness Thai traditional performances

Immerse yourself in Thailand's rich cultural heritage with fascinating traditional performances. Witness the mesmerizing Khon, a classic masked dance that recounts epic events from Thailand's history. 

Experience the adrenaline rush of Muay Thai boxing, an integral part of Thai culture. In December, these cultural shows offer a deeper understanding of the country's traditions and enrich your Thailand trip.

Enjoy your beach time

Thailand's coastal gems beckon with their golden shores. Head to Phuket, Krabi, Koh Samui or Pattaya to soak up the sun, take a dip in crystal clear waters and enjoy water sports such as snorkelling, diving and parasailing. 

The favorable December weather provides optimal conditions for beach vacations, whether you are looking for relaxation or exciting adventure. These destinations promise a tropical paradise where you can relax, splash around or explore the stunning shores.

Festivals and events in Thailand in December

There are several festivals and events that take place in Thailand in December. Here's our pick:

• King's Birthday / Father's Day: Celebrates the late King Bhumibol's birthday, honoring him and fathers nationwide. Features alms-giving ceremonies, candle-lighting rituals, and special Father's Day activities throughout the country.
• Constitution Day: Commemorates the adoption of Thailand's first constitution in 1932. Government offices close, and some locations hold ceremonies or exhibitions about Thai democracy and history.
• Ayutthaya World Heritage and Red Cross Fair: Annual event at the historic Ayutthaya park. Features cultural performances, historical reenactments, traditional craft demonstrations, and Red Cross charity activities.
• Phuket King's Cup Regatta: Prestigious sailing event held in honor of the late King Bhumibol. Attracts international sailing teams for a week of races in the Andaman Sea. Includes social events and parties.

Ready for your dream trip to Thailand?

Our tailor-made trip service allows you to fully enjoy the weather in Thailand in December without the planning or hassle. All of our planned itineraries are created by local Thailand travel experts and can be tailored to meet your specific needs.

• Best of Thailand with Phuket (10 days): Discover Thailand's busy capital Bangkok with its unique markets and temples before heading north to Chiang Mai - the cultural center of Thailand offers authentic family experiences as well as elephants up close.
• Explore Northern Thailand with beach days in Koh Samui (14 days): Spend the first part of your trip exploring the cities, national parks and cultural sites of Northern Thailand, then head down to the stunning island of Koh Samui for some relaxation.
• Thailand's Golden Triangle (5 days): Tour Thailand's glorious Golden Triangle. Come here for a sense of romance and adventure as you travel through the verdant hills and river valleys of Thailand's lush north.
• Or discover more Thailand itineraries.