Thailand Tours in December 2025
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10 best Thailand trips in December 2025
Compiled by
NadineThailand travel expert at TourRadar
- Ultimate Thailand in 10 Days - Ayutthaya / Khao Sok / Phuket
- Incredible Thailand
- Essential Thailand: Bangkok and Phuket Adventure in 7 Days - Private Tour
- Bangkok and Ancient Capitals, Small Group Tour
- Thai Experience
- One Week in Thailand: Kayaking and Hilltribes
- Trails and Gems of Siam, Small Group Tour
- Unleashing the Wonders of Thailand in 10 Days
- Thailand Nature Escape 10 Days-Truly Local Experience - Bangkok/Chiang Mai/Chiang Rai
- Bangkok & Barcelo Coconut Phuket
Ultimate Thailand in 10 Days - Ayutthaya / Khao Sok / Phuket
15 Reviews by TourRadar travelers“The hotels in Phuket and Bangkok were spectacular. Each place has different activities and the communication from the first contact is very professional.”
Karren, traveled in July
Duration 10 days Destinations Bangkok, Ayutthaya, Samut Songkhram, Khao Sok National Park, Phuket Age Range All Ages Welcome Operated in English, German, Italian, French, Spanish, Chinese Operator PrestiGo Asia December departure dates
See All Departure Dates1 Dec, 2025 10+ spaces left 2 Dec, 2025 10+ spaces left From $5,047
45% Off- NZ$2,776You save $2,271
Incredible Thailand
4 Reviews by TourRadar travelers“Our trip was just incredible. We had the best time.”
Elias, traveled in February
Duration 16 days Destinations Bangkok, Chiang Mai, Doi Inthanon, Surat Thani, Khao Sok National Park, Krabi, Ko Phi Phi, Phuket Age Range All Ages Welcome Operator Vio Travel December departure dates
See All Departure Dates1 Dec, 2025 10 spaces left 2 Dec, 2025 10 spaces left From $2,177
5% Off- NZ$2,068You save $109
Essential Thailand: Bangkok and Phuket Adventure in 7 Days - Private Tour
3 Reviews by TourRadar travelers“I will definitely have to come back here again to explore more. It was such an ideal destination for family holiday.”
Vijay, traveled in August
Duration 7 days Destinations Bangkok, Phuket Age Range All Ages Welcome Operated in English, German, Italian, Portuguese, French, Spanish, Chinese, Dutch, Russian Operator Realistic Asia December departure dates
See All Departure Dates1 Dec, 2025 10+ spaces left 2 Dec, 2025 10+ spaces left From $3,450
55% Off- NZ$1,552+$555 local paymentsYou save $1,897
Bangkok and Ancient Capitals, Small Group Tour
12 Reviews by TourRadar travelers“The hotels we were staying in were very nice.”
Nicole, traveled in September
Duration 8 days Destinations Bangkok, Ayutthaya, Kamphaeng Phet, Lampang, Chiang Mai, Lamphun, Sukhothai, Lopburi Age Range Ages 10+ Operated in English, German, Italian, French, Spanish Operator Destination Services Thailand December departure dates
See All Departure Dates2 Dec, 2025 10 spaces left 9 Dec, 2025 10 spaces left From $1,871
10% Off- NZ$1,684You save $187
Thai Experience
577 Reviews by TourRadar travelers“I had a fantastic time traveling in Thailand with Introl Travel. I would highly recommend this trip to others.”
Isabel, traveled in May
Duration 13 days Destinations Bangkok, Khao Sok National Park, Ko Pha Ngan, Ko Phi Phi, Phuket Age Range Ages 18-50 Operator INTRO Travel December departure dates
See All Departure Dates1 Dec, 2025 7 spaces left 7 Dec, 2025 3 spaces left From
10% Off- NZ$2,999
One Week in Thailand: Kayaking and Hilltribes
12 Reviews by TourRadar travelers“Wonderful experience, great to experience as a group with a leader who is local and knows the area well.”
Kelsey, traveled in January
Duration 8 days Destinations Bangkok, Ayutthaya, Chiang Mai Age Range Ages 18-35 Operator Intrepid Travel December departure dates
See All Departure Dates7 Dec, 2025 8 spaces left 21 Dec, 2025 10+ spaces left From $1,025
20% Off- NZ$820You save $205
Trails and Gems of Siam, Small Group Tour
5 Reviews by TourRadar travelers“Accommodations and food were good. The time spent at each stop was perfect, not rushed but not too long either.”
Nora, traveled in February
Duration 5 days Destinations Bangkok, Ayutthaya, Kamphaeng Phet, Lampang, Chiang Mai, Lamphun, Sukhothai, Lopburi Age Range Ages 10+ Operated in English, German, Italian, French, Spanish Operator Destination Services Thailand December departure dates
See All Departure Dates4 Dec, 2025 10 spaces left 11 Dec, 2025 10 spaces left From $1,557
10% Off- NZ$1,401You save $156
Unleashing the Wonders of Thailand in 10 Days
3 Reviews by TourRadar travelers“All the hotels are good and clean, and local food is delicious but hot and spicy. Locals are friends.”
Mansoor, traveled in June
Duration 10 days Destinations Bangkok, Chiang Mai, Phuket Age Range All Ages Welcome Operated in English, German, French, Spanish, Chinese, Russian Operator Vietnam Tour Fun December departure dates
See All Departure Dates1 Dec, 2025 10+ spaces left 2 Dec, 2025 10+ spaces left From $4,906
55% Off- NZ$2,208+$431 local paymentsYou save $2,698
Thailand Nature Escape 10 Days-Truly Local Experience - Bangkok/Chiang Mai/Chiang Rai
7 Reviews by TourRadar travelers“Smooth airport transfers, good guides and great local experiences made it a enjoyable tour.”
Peter, traveled in October
Duration 10 days Destinations Bangkok, Chiang Mai, Mae Wang National Park, Chiang Rai Age Range All Ages Welcome Operated in English, German, Italian, French, Spanish, Russian Operator PrestiGo Asia December departure dates
See All Departure Dates1 Dec, 2025 10+ spaces left 2 Dec, 2025 10+ spaces left From $5,989
45% Off- NZ$3,294You save $2,695
Duration 11 days Destinations Bangkok, Phuket Age Range All Ages Welcome Operator Vio Travel December departure dates
See All Departure Dates1 Dec, 2025 10 spaces left 2 Dec, 2025 10 spaces left From $2,305
5% Off- NZ$2,189You save $115
What people love about Thailand Tours in December
- Thai Intro 12 Day
From start to finish this trip was fantastic .The transport was always reliable ,The food included was always deliciouse with great variety, The experiences them selfs where incredible and the accomodation was always perfect. Our group leader adam was amazing , always great company and up for a laugh but still remained profectional at all times. He helped us with everything we needed to know while on tour as well as our onward travels. I have participated in Ozintro and ThaIntro and both tours have been outstanding and I reccomend them to anyone traveling , they have been my most amazing memories.
- Amazing Thailand Discovery in 12 Days
Superb service at short notice from Mavis for a 12day trip through Tailand. Our driver, Khun, was an excellent, knowledgable, patient driver who looked after us extremely well. We have no hesitation recommending both Khuman and My Bravo Indochina Tours and will be actively seeking them out for any future Asia tours.
- Amazing Thailand In 9 Days
This was our first trip with Realistic Asia, and we had a great experience! We worked with Alex to plan the trip and we were able to adjust our itinerary for our needs. After 9 days in Thailand, we got unforgettable memories and learned new interesting things. Would definitely travel with Realistic Asia again!
What our customers ask about Thailand Tours in December 2025
What is the weather like in Thailand during December?
December brings ideal weather conditions to Thailand with temperatures ranging between 75-85°F (24-29°C) in Bangkok and the north. The northern city of Chiang Mai stays cooler with temperatures from 60-75°F (15-24°C). Southern beach destinations like Koh Phangan remain warm at 80-85°F (27-29°C). The pleasant climate creates good conditions for outdoor activities and temple visits. A TourRadar traveler mentioned "The weather in December was perfect for exploring temples and doing outdoor activities."
Are there any special festivals or events in Thailand during December?
The month starts with the King's Birthday on December 5th bringing nationwide celebrations and ceremonies. Tourist areas come alive with Christmas and New Year festivities. Chiang Mai's streets fill with night markets and traditional lantern displays. At places like the Kata Beach Resort in Phuket special holiday dinners need advance reservations. The combination of local and international celebrations makes December a lively time across the country.
What kind of accommodations are available in Thailand during December?
Since December marks the peak tourist season early booking is essential. Places range from high-end options like Na Nirand Romantic Boutique Resort in Chiang Mai to mid-range choices such as True Siam Rangnam in Bangkok. Beach destinations offer oceanfront properties including the Oceanfront Beach Resort in Phuket. As one traveler noted: "The Movenpick Hotel Bangkok and Kata Sea Breeze Resort Phuket were excellent choices for our December stay providing perfect locations for both city exploration and beach relaxation."
What are the best places to visit in Thailand during December?
The cooler weather makes this an excellent time to explore Bangkok's temples including Wat Pho and Wat Arun. Nature lovers head to the floating bungalows at Khao Sok National Park while beach enthusiasts flock to Koh Phangan and Phi Phi Islands for water activities. A TourRadar traveler shared: "Staying at the Sarana Bungalows in Koh Phangan in December was magical - perfect beach weather and the clearest waters for swimming." The mild temperatures in Chiang Mai create good conditions for temple visits and wildlife encounters.
How crowded are tourist destinations in Thailand during December?
December sees peak visitor numbers especially during the holiday season. Major attractions like Bangkok's Grand Palace Phi Phi Islands and Phuket's beaches get particularly busy. According to a G Adventures traveler: "Book accommodations well in advance especially on islands like Koh Phangan and Koh Tao. The Full Moon Party on Koh Phangan draws massive crowds if it falls in December."
Is December a good time for island hopping in Thailand?
The month offers excellent conditions for exploring Thailand's islands. The Andaman Sea along the west coast including Phuket and Phi Phi shows calm waters and good visibility. A G Adventures sailing participant noted: "The December sailing conditions were perfect with calm seas and clear visibility for snorkeling around islands like Ko Phi Phi and Ko Lanta."