Thailand in December
December is one of the best times to visit Thailand, renowned for its combination of pleasant weather, vibrant festivals, and exciting activities. With the arrival of high season in December, the country attracts tourists from around the globe. Whether you are drawn to its cultural richness, tropical beaches, or adventurous escapes, December provides optimal conditions for a memorable holiday.
Why is December the peak season? The answer lies in the cool, dry weather Thailand experiences this month. The monsoon rains have subsided, and temperatures are comfortable, making it ideal for both sightseeing and beach activities. In this article, we will explore the reasons why December is a sought-after time to visit Thailand, offering practical insights and tips to help you plan your trip.
Weather in December
The weather in Thailand during December is considered perfect for travel. However, the country’s tropical climate varies significantly across regions, so it’s essential to know what to expect.
Click here to learn more about creating a personal itineraryTemperature by Region
- Northern Thailand (Chiang Mai, Chiang Rai): In the north, temperatures are cooler, with daytime highs around 26°C (79°F) and nighttime lows dipping to 15°C (59°F). This climate is ideal for trekking and exploring the region’s cultural treasures.
- Central Thailand (Bangkok, Ayutthaya): In the central region, temperatures range between 31°C (88°F) and 33°C (91°F) during the day, with cooler nights around 24–26°C (75–79°F). This warm, comfortable weather is perfect for urban exploration and temple visits.
- Southern Thailand (Phuket, Krabi, Koh Samui): The southern islands remain warm, with daytime temperatures averaging 30°C (86°F). While the Gulf Coast, particularly around Koh Samui, may still experience occasional rain, the weather generally stabilizes by mid-December.
Humidity and Rainfall
December offers a significant reduction in humidity compared to the rainy monsoon months. Rainfall is minimal, and many areas enjoy long hours of sunshine. However, the islands in the Gulf of Thailand may still see moderate rainfall in the early part of the month.
Water Temperature
The water temperature in Thailand’s coastal regions is ideal for swimming, scuba diving, and snorkeling, typically ranging from 27°C (81°F) to 30°C (86°F). Visibility for diving is excellent during this time, with clear waters making underwater exploration a highlight.

Advantages of Traveling to Thailand in December
December offers numerous benefits that make it an excellent time to visit Thailand:
- Comfortable Climate: With mild temperatures and low humidity, the weather is perfect for outdoor activities like sightseeing, trekking, and beach outings.
- Minimal Rain: Most regions of Thailand experience minimal rainfall, providing dry days ideal for exploration and adventure.
- Ideal Beach Conditions: Southern islands such as Phuket, Krabi, and Koh Samui enjoy sunny weather and calm seas, perfect for beach enthusiasts.
- Festivals and Events: December is filled with exciting festivals, including the King’s Birthday celebrations and New Year’s Eve parties. It’s a lively time to immerse yourself in Thai culture.
- Great Diving Visibility: The clear waters offer excellent visibility for diving, making it easy to explore coral reefs and marine life in optimal conditions.
Disadvantages of Traveling in December
While December is considered high season, it has some drawbacks that travelers should be aware of:
- High Tourist Traffic: This month attracts a surge of tourists, particularly in popular destinations like Bangkok, Chiang Mai, and Phuket, resulting in crowded attractions, restaurants, and beaches.
- Increased Prices: High demand leads to increased prices for accommodations and flights in December. It’s essential to book your travel well in advance for better rates.
- Early Booking Required: If you plan to visit popular attractions or stay in top resorts, ensure you reserve your accommodations and tours early to avoid disappointment.
- Unpredictable Weather in the Gulf: The islands in the Gulf of Thailand, such as Koh Samui, may experience more rainfall and overcast conditions compared to the western side of the country.

Popular Destinations in Thailand
Whether you seek a beach holiday, cultural immersion, or eco-adventure, Thailand offers a variety of destinations to explore in December.
Beach Destinations
- Phuket: Known for its vibrant atmosphere, beaches like Patong and Kata are popular for water sports and nightlife. Accommodations can be pricey during this time, so early booking is essential.
- Krabi: For a more relaxed beach experience, Krabi is an excellent alternative, featuring stunning beaches like Railay and Ao Nang, with unique limestone cliffs enhancing the landscape’s charm.
- Koh Samui: This island is a tropical paradise with beautiful beaches and top-notch resorts. Be aware that rain may occasionally affect the island, particularly in early December.
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Cultural and Historic Tourism
- Bangkok: Thailand’s bustling capital boasts a rich history and vibrant culture. Explore landmarks like Wat Pho (Temple of the Reclining Buddha) and the Grand Palace, and revel in the lively atmosphere of the night markets.
- Chiang Mai: Located in the cooler northern region, Chiang Mai is perfect for those interested in ancient temples, local markets, and cultural experiences. The pleasant weather in December makes trekking to nearby hill tribes particularly enjoyable.
Eco-Tourism
- Khao Sok National Park: This park boasts dense rainforests, dramatic limestone cliffs, and the tranquil Cheow Lan Lake, offering excellent eco-tourism opportunities. Visitors can stay in floating bungalows and partake in activities like kayaking and wildlife spotting.
Peaceful Getaways
- Koh Lanta: For travelers seeking a tranquil retreat, Koh Lanta is an ideal destination. Its laid-back atmosphere, coupled with serene beaches and excellent diving opportunities, makes it a perfect spot for a relaxing holiday.

Festivals and Events in December
Thailand hosts several significant events in December, creating a festive atmosphere throughout the country:
- King’s Birthday (December 5): This national holiday honors the late King Bhumibol Adulyadej, featuring parades, ceremonies, and expressions of respect nationwide.
- Loy Krathong Festival (early December): Although typically celebrated in November, this enchanting festival can extend into early December, when locals release small, flower-filled boats onto rivers, creating a captivating scene.
- Monkey Banquet in Lopburi: On December 8, the town of Lopburi holds a quirky feast for its resident monkeys, offering a unique and entertaining experience.
- Christmas and New Year’s Celebrations: Despite being a predominantly Buddhist country, Thailand embraces the festive spirit with Christmas decorations, shopping displays, and special events. New Year’s Eve is especially vibrant, marked by fireworks and parties in major cities like Bangkok and Chiang Mai.
- King’s Cup Regatta in Phuket: A must-see for sailing enthusiasts, this prestigious event occurs annually in early December and features competitive yacht racing.
Things to Do in Thailand in December
From outdoor adventures to cultural explorations, December offers numerous activities to enjoy in Thailand:
- Beach and Water Sports: Engage in water activities such as scuba diving, snorkeling, and kiteboarding. The clear waters provide ideal conditions for underwater exploration.
- Temple Tours: Discover Thailand’s historical sites, from the Grand Palace in Bangkok to the ancient temples of Ayutthaya.
- Trekking: Northern Thailand is known for its excellent trekking opportunities, with Doi Inthanon National Park and Pai as top choices for hiking enthusiasts.
- Cooking Classes: Experience the art of Thai cuisine by joining a local cooking class, allowing you to immerse yourself in the culture while acquiring new culinary skills.
- Spa and Massage: Treat yourself to a traditional Thai massage or spa treatment, renowned for their therapeutic benefits.
- Shopping: Explore vibrant markets and malls to discover unique souvenirs and local handicrafts.

Where to Stay in Thailand
Thailand has a diverse range of accommodation options catering to all budgets. Whether you’re looking for luxury resorts or budget-friendly guesthouses, you’ll find suitable places to stay in every region.
- Luxury: For a high-end experience, consider staying at resorts in Phuket or Koh Samui, many of which offer all-inclusive packages, private pools, and spa services.
- Mid-Range: Chiang Mai and Bangkok boast numerous mid-range hotels with excellent facilities, providing great value while being close to popular attractions.
- Budget: Budget travelers can find affordable options in hostels and guesthouses in cities like Chiang Mai and Krabi, often offering a more intimate and authentic experience.
Travel Tips for Thailand in December
- What to Pack: Lightweight, breathable clothing is essential for daytime, but bring a jacket for cooler evenings, particularly in the northern regions.
- Dress Modestly: When visiting temples, ensure you dress modestly by covering your shoulders and knees.
- Advance Booking: Due to the peak season, it’s wise to book your flights, accommodations, and tours well in advance to avoid high prices and limited availability.
- Transport: Major cities offer a range of transport options, including taxis, tuk-tuks, and public transport. For longer distances, trains and buses are excellent, while flights provide a convenient way to reach the islands.
- Food and Water: Street food is a highlight in Thailand, but always drink bottled water to avoid any issues with local tap water.
December is undoubtedly one of the best times to visit Thailand. The weather is perfect for outdoor activities, the country is vibrant with festivals, and the warm hospitality of the Thai people enhances the experience. Whether you’re exploring the rich culture of the cities, enjoying the peace of remote islands, or engaging in outdoor adventures, December provides ideal conditions for a memorable holiday. Book early for the best deals, pack wisely, and get ready for an unforgettable experience in Thailand!
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