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."

Thailand Tours in December 2026

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Island Hopping
10-Day Itinerary: Bangkok, Krabi, and Samui Experiences
5.0 (3 traveler reviews)
"Great value and excellent organization."
Yap, traveled in April
Duration
10 days
Destinations
Bangkok, Samut Songkhram, Damnoen Saduak, Nakhon Pathom,Krabi,Bamboo Island,Koh Samui,Mu Koh Angthong National Marine Park+4 more
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All Ages Welcome
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Vietnam Tour Fun
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1 Dec, 2026
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2 Dec, 2026
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Nature & Wildlife
Essential Southern Thailand
4.3 (18 traveler reviews)
"I had the most incredible time on this tour! I seriously can't recommend it enough! Such an amazing experience!!"
Immy, traveled in February
Duration
8 days
Destinations
Bangkok, Koh Samui, Mu Koh Angthong National Marine Park,Koh Tao,Khao Sok National Park,Phang Nga,Phuket+4 more
Age Range
Ages 18-35
Country Region
Southern Thailand
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English
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Intrepid Travel
30% Off
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6 Dec, 2026
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13 Dec, 2026
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Nature & Wildlife
Essential Thailand: Bangkok and Phuket Adventure in 7 Days
4.8 (4 traveler reviews)
"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
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English, German,French,Spanish,Dutch+3 more
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Realistic Asia
32% Off
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+$322 local payments
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Adventure & Adrenaline
Ultimate Thailand in 10 Days - Ayutthaya / Khao Sok / Phuket
4.8 (15 traveler reviews)
"Well organized, local guides friendly and competent, reliable."
Duy, traveled in December
Duration
10 days
Destinations
Bangkok, Ayutthaya, Phuket, Khao Lak-Lam Ru National Park,Takua Pa,Khao Sok National Park+2 more
Age Range
All Ages Welcome
Country Region
Southern Thailand
Operated in
English, German,French,Spanish,Chinese+3 more
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PrestiGo Asia
10% Off
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US$1,511per person
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1 Dec, 2026
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Island Hopping
Incredible Thailand
2.3 (4 traveler reviews)
"Our trip was just incredible. We had the best time."
Elias, traveled in February
Duration
16 days
Destinations
Bangkok, Rattanakosin Island, Taling Chan, Chiang Mai,Doi Suthep Pui National Park,Doi Inthanon,Surat Thani,Khao Sok National Park,Krabi,Chicken, Poda, Tub Islands,Ko Phi Phi,Phi Phi Don,Bamboo Island,Ko Phi Phi Lee,Phuket,Koh Khai Nok+12 more
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All Ages Welcome
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English
Operator
Vio Travel
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1 Dec, 2026
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City & Culture
Thai Intro 9 Day
4.8 (4,575 traveler reviews) award winner
"The trip was navigated with ease and light, keeping spirits high at all times."
Rachel, traveled in October
Duration
9 days
Destinations
Bangkok, Khao Sok National Park, Ko Pha Ngan
Age Range
Ages 18-49
Country Region
Southern Thailand
Operated in
English
Operator
INTRO Travel
10% Off
From
US$1,199per person
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2 Dec, 2026
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4 Dec, 2026
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Nature & Wildlife
Thailand Beaches: Bangkok to Phuket
4.1 (12 traveler reviews)
"Thoroughly enjoyed our travels with Intrepid and would not hestate recommending this tour/operator to family and friends."
Julius, traveled in February
Duration
9 days
Destinations
Bangkok, Ao Nang, Khao Lak-Lam Ru National Park,Similan Islands,Phuket,Ko Phi Phi,Koh Khai Nok+4 more
Age Range
Ages 15+
Country Region
Southern Thailand
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English
Operator
Intrepid Travel
30% Off
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US$1,181per person
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3 Dec, 2026
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6 Dec, 2026
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City & Culture
Highlights of Thailand
4.4 (22 traveler reviews)
"Small group, excellent accommodation and knowledgeable tour leader."
Axel, traveled in January
Duration
10 days
Destinations
Bangkok, Kanchanaburi, Erawan National Park, Ayutthaya,Sukhothai,Chiang Mai,Wat Phra That Doi Suthep+3 more
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Ages 15+
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Intrepid Travel
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18 Dec, 2026
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25 Dec, 2026
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Adventure & Adrenaline
One Week in Thailand: Kayaking and Hilltribes
4.4 (12 traveler reviews)
"This tour was a fantastic taste-test of Northern Thailand. We got doses of history, culture, and modern attractions."
Elizabeth, traveled in December
Duration
8 days
Destinations
Bangkok, Chiang Mai, Lahu
Age Range
Ages 18-35
Country Region
Northern ThailandChiang Mai+1 more
Operated in
English
Operator
Intrepid Travel
20% Off
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US$476per person
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6 Dec, 2026
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13 Dec, 2026
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City & Culture
The Best Highlights of Thailand: From Bangkok to Koh Samui 11-Day
4.3 (9 traveler reviews)
"Everything happened when it should have. The food in the restaurants we dined in were delicious."
Mary, traveled in May
Duration
11 days
Destinations
Bangkok, Chiang Mai, Doi Suthep Pui National Park,Chiang Rai,Koh Samui+2 more
Age Range
Ages 6+
Country Region
Northern ThailandGolden Triangle Southeast AsiaChiang Mai+2 more
Operated in
English
Operator
Legend Travel Group
30% Off
From $1,966
US$1,376per person
+$699 local payments
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1 Dec, 2026
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2 Dec, 2026
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City & Culture
Amazing Thailand In 9 Days
4.8 (110 traveler reviews)
"The accommodations, transportation, tours and sites have all been amazing! A fantastic experience that we will remember forever."
Barry, traveled in March
Duration
9 days
Destinations
Bangkok, Chiang Mai, Chiang Rai, Doi Inthanon, Phuket,Bamboo Island,Phi Phi Don,Ko Phi Phi Lee+3 more
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All Ages Welcome
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Northern ThailandChiang Mai+1 more
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Realistic Asia
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Island Hopping
Island Hopping in Thailand In 9 Days
4.7 (32 traveler reviews)
"It was great to have everything handled for us! We had a wonderful time!!!"
Karlyle, traveled in March
Duration
9 days
Destinations
Phuket, Hong Island, James Bond Island, Ko Phi Phi, Krabi,Chicken, Poda, Tub Islands+1 more
Age Range
All Ages Welcome
Country Region
Southern Thailand
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Realistic Asia
32% Off
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US$452per person
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1 Dec, 2026
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City & Culture
Thailand Nature Escape 10 Days-Truly Local Experience - Bangkok/Chiang Mai/Chiang Rai
4.5 (8 traveler reviews)
"Smooth airport transfers, good guides and great local experiences made it a enjoyable tour."
Peter, traveled in October
Duration
10 days
Destinations
Bangkok, Damnoen Saduak, Chiang Mai,Mae Wang National Park,Chiang Rai,Doi Mae Salong,Golden Triangle Park+4 more
Age Range
All Ages Welcome
Country Region
Northern ThailandGolden Triangle Southeast Asia+1 more
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PrestiGo Asia
5% Off
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1 Dec, 2026
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Ancient Wonders
Fantastic Thailand - 9 Days
4.7 (75 traveler reviews)
"The tour was well organized and price reasonable."
Emma, traveled in January
Duration
9 days
Destinations
Bangkok, Damnoen Saduak, Chiang Mai, Chiang Rai,Golden Triangle Park,Phuket,Ko Phi Phi Lee,Ko Phi Phi,Koh Khai Nok+5 more
Age Range
All Ages Welcome
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Bravo Indochina Tours
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2 Dec, 2026
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4 Dec, 2026
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Ancient Wonders
7 Days in Bangkok: The Ultimate Thai City Adventure
4.0 (1 traveler review)
Duration
7 days
Destinations
Bangkok, Ayutthaya
Age Range
All Ages Welcome
Country Region
Eastern Thailand
Operated in
English, Spanish
Operator
STM Tours LLC
35% Off
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1 Dec, 2026
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2 Dec, 2026
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