Thailand - Things to Do in Thailand in December

Things to Do in Thailand in December

December weather, activities, events & insider tips

Good time to visit High Season · Book Early

December Weather in Thailand

Temperature, rainfall and humidity at a glance

90°F (32°C) High Temp
73°F (23°C) Low Temp
0.5 inches (13 mm) Rainfall
70% Humidity

Is December Right for You?

Weigh the advantages and considerations before booking

Advantages
  • + Peak dry season brings just 10 rainy days. Boat tours to Similan Islands run daily without cancellations. Skies stay postcard blue. Seas flatten to glass.
  • + Cool mornings at 73°F (23°C) invite cycling through Ayutthaya's temple ruins before tourist buses arrive. Mist hangs low over brick stupas. You pedal alone.
  • + December's low humidity makes Bangkok walkable. Explore Chinatown's Yaowarat Road for hours without the usual sweat-drenched shirt. Breeze carries incense and sizzling pork.
  • + Whale shark season peaks at Koh Tao through December, with 30m (98 ft) visibility for divers. Giants glide past like silent buses.
Considerations
  • Prices jump 40-60% from November. That beachfront bungalow in Koh Lanta that was available last month is now booked solid. Budgets feel the sting.
  • Christmas/New Year crowds turn Phuket's Patong Beach into a towel-to-towel situation where finding sand space requires 7 AM arrival. By nine, forget it.
  • Northern Thailand's burning season starts late December. Chiang Mai's air quality begins its annual decline. Haze creeps in. Masks appear.

Year-Round Climate

How December compares to the rest of the year

Monthly Climate Data for Thailand Average temperature and rainfall by month Climate Overview 18°C 23°C 29°C 34°C 40°C Rainfall (mm) 0 167 335 Jan Jan: 32.0°C high, 23.0°C low, 23mm rain Feb Feb: 33.0°C high, 24.0°C low, 20mm rain Mar Mar: 34.0°C high, 26.0°C low, 51mm rain Apr Apr: 35.0°C high, 27.0°C low, 94mm rain May May: 35.0°C high, 26.0°C low, 216mm rain Jun Jun: 34.0°C high, 26.0°C low, 198mm rain Jul Jul: 33.0°C high, 26.0°C low, 190mm rain Aug Aug: 33.0°C high, 25.0°C low, 226mm rain Sep Sep: 33.0°C high, 25.0°C low, 335mm rain Oct Oct: 33.0°C high, 25.0°C low, 290mm rain Nov Nov: 33.0°C high, 24.0°C low, 46mm rain Dec Dec: 32.0°C high, 23.0°C low, 13mm rain Temperature Rainfall
MonthHighLowRainfall
Jan32°C23°C0.9 inches (23 mm)
Feb33°C24°C0.8 inches (20 mm)
Mar34°C26°C2.0 inches (51 mm)
Apr35°C27°C3.7 inches (94 mm)
May35°C26°C8.5 inches (216 mm)
Jun34°C26°C7.8 inches (198 mm)
Jul33°C26°C7.5 inches (190 mm)
Aug33°C25°C8.9 inches (226 mm)
Sep33°C25°C13.2 inches (335 mm)
Oct33°C25°C11.4 inches (290 mm)
Nov33°C24°C1.8 inches (46 mm)
Dec32°C23°C0.5 inches (13 mm)

Best Activities in December

Top things to do during your visit

December in Thailand brings clear skies and cool, dry air. It is the best time to visit. The heavy humidity lifts, replaced by a faint scent of frangipani. Bangkok's skies turn a pale blue, and temple spires cast sharp shadows. Daily life syncs with a celebratory pulse. You will hear deep chanting from monastery loudspeakers and the crackle of evening fireworks. Locals wear bright yellow shirts, filling streets with quiet reverence and night festivities. Days are warm, evenings surprisingly cool. This makes exploring from dawn until the late glow of street food stalls a genuine pleasure. This period is a reliable window for exploring the country. You can visit the labyrinthine canals of the central plains or the turquoise southern shores. Reduced rainfall means the Chao Phraya River runs a clear, muddy brown. It is good for long-tail boats. The Andaman Sea becomes placid and glassy, revealing schools of glittering fish. The month's calendar has two anchors. The solemn, candlelit gatherings for the King's Birthday on December fifth come first. Then, the boisterous Phuket King's Cup Regatta in early December adds salt-sprayed excitement. These events frame the Thai December. It is a time of profound cultural observance and open-air competition. The scent of night-blooming jasmine mixes with the tangy aroma of grilling seafood on race-view beaches.

Grand Palace, Wat Pho, and Wat Arun Guided Tour

Grand Palace, Wat Pho, and Wat Arun Guided Tour

cultural
4.8 4158 reviews from $22

Connects you to the spiritual heart of the old kingdom. You will see sunlight flash on millions of ceramic fragments decorating Wat Arun. You will hear the low, metallic chime of visitors dropping coins into bronze bowls at Wat Pho. A guide explains the mythology behind the intricate palace murals. They tell stories of demons and monkeys in a whisper that cuts through the crowd.

Half day Moderate Early morning
This tour is essential for understanding the divine authority and artistic ambition that built Bangkok. It moves easily from the seat of royal power to the home of the reclining Buddha.
Insider tip: Arrive at the Grand Palace gate precisely at 8:30 AM. Enter with the first wave. You will beat the thick heat and the tour buses that descend an hour later.
Hands-On Thai Cooking Class Bangkok with Local Chef (Small Group)

Hands-On Thai Cooking Class Bangkok with Local Chef (Small Group)

food
5.0 187 reviews from $38

Takes place in a tucked-away home kitchen. You will feel the sticky texture of tamarind paste between your fingers. You will hear the furious sizzle of basil hitting a scorching wok. The chef guides you through pounding lemongrass and galangal in a stone mortar. This releases a citrusy, pungent smell that defines Thai curries.

Half day Moderate Morning, to shop for fresh ingredients at a local market
You leave with recipes and the foundational techniques for balancing the four essential Thai tastes: salty, sweet, sour, and spicy.
Insider tip: Wear short sleeves and comfortable shoes. You will be standing at a hot stove and actively prepping ingredients for the entire session.
Exclusive 3-Island Catamaran Tour with Buffet Lunch

Exclusive 3-Island Catamaran Tour with Buffet Lunch

cruise
4.8 500 reviews from $92

Has a day on the Andaman Sea. You will see the dramatic limestone cliffs of Phang Nga Bay rise from emerald water. You will feel the cool spray as the catamaran picks up speed. The buffet lunch on deck includes freshly grilled prawns and green papaya salad. Enjoy it with the sound of the mainsail flapping overhead.

Full day Expensive Any day during the regatta period for added scenic activity on the water
It provides access to secluded coves and snorkeling spots around Koh Hong and Koh Panak. These are typically unreachable by larger, crowded tour boats.
Insider tip: Claim a spot on the mesh netting at the front of the catamaran. You will float just above the water as the boat glides forward.
This month: The calm seas and high visibility in December make for exceptional snorkeling conditions.
Ethical Elephant Sanctuary Interactive Tour

Ethical Elephant Sanctuary Interactive Tour

guided_experience
4.8 339 reviews from $107

Involves a day in the hills of Northern Thailand. You will hear the low, rumbling communication of the elephants. You will feel the rough, bristly texture of their skin as you hand-feed them baskets of watermelon and sugarcane. The smell of the forest mixes with the distinctive scent of the elephants themselves.

Full day Expensive Morning, when the elephants are most active and the forest air is still cool
This experience focuses on observation and care. The animals roam freely. Their well-being is prioritized over entertainment or riding.
Insider tip: Wear clothes and shoes you don't mind getting completely muddy. You will walk through the elephants' habitat to prepare their food and join them at their wallow.
Highlights of Bangkok (Private Day Trip)​

Highlights of Bangkok (Private Day Trip)​

day_trip
5.0 129 reviews from $132

Crafts a personalized route through the city's contrasts. You can see the gleaming spires of modern skyscrapers from a wooden long-tail boat. You can hear the echoing calls of vendors in Chinatown's narrow alleyways. Your private guide adjusts the tempo. You can taste a fiery bowl of boat noodles or feel the cool marble floors of a lesser-visited temple.

Full day Expensive Anytime, though starting early avoids the worst of the traffic
It delivers a complete, efficient overview of Bangkok's vastness. You get the comfort and flexibility of a dedicated vehicle and expert.
Insider tip: Request a stop at the flower market, Pak Khlong Talat, in the early evening. The warehouse is a riot of color then, and the air is thick with the perfume of thousands of orchids.
Floating Market & Train Market Private Tour(Premium Service)

Floating Market & Train Market Private Tour(Premium Service)

private_tour
5.0 116 reviews from $117

Places you in two well-known Thai market styles. You will hear the putter of long-tail boat engines navigating canals lined with wooden houses. You will feel the rush of wind as a train passes inches from stalls at Maeklong Railway Market. The smell of charcoal-grilled river prawns and sweet coconut pancakes fills the air.

Half day Expensive Very early morning, to experience the floating market at its most active and authentic
It contrasts the slow, watery commerce of the floating market with the thrilling choreography of the railway market. It shows two unique forms of Thai street vending.
Insider tip: For the train market, ask your driver to align your visit with a published train arrival time. You will witness the spectacle of the stall awnings retracting and expanding again moments after the train passes.

Where to Stay in Thailand in December

Hand-picked hotels across price tiers for December travellers.

Monday Capsule Hostel and Thai Traditional Bath Bangkok in Thailand
★★★ Budget

Monday Capsule Hostel and Thai Traditional Bath Bangkok

8.2 Very good · 27 reviews
From $3 / night
Check Prices on Trip.com →
NASA BANGKOK - Airport Rail Link Ramkhamhang in Thailand
★★★★ Mid-Range

NASA BANGKOK - Airport Rail Link Ramkhamhang

7.9 Good · 15736 reviews
From $16 / night
Check Prices on Trip.com →
Divalux Resort and Spa Bangkok, Suvarnabhumi Airport-Free Shuttle in Thailand
★★★★★ Luxury

Divalux Resort and Spa Bangkok, Suvarnabhumi Airport-Free Shuttle

8.6 Very good · 833 reviews
From $40 / night
Check Prices on Trip.com →

December Events & Festivals

What's happening during your visit

December 5
King's Birthday Celebrations

December 5th brings Bangkok to standstill. But in the best way. Ratchadamnoen Avenue closes for candle-lighting ceremonies, locals wear yellow (the King's birth color), and free concerts run until midnight. The real experience happens in Sanam Luang at 19:00 when 100,000 Thais hold candles during the national anthem. Goosebumps guaranteed. Doesn't matter if you're royalist or not, the sound of that many voices hits different.

Early December
Phuket King's Cup Regatta

Asia's biggest yacht race turns Kata Beach into a floating village December 2-9. You don't need sailing knowledge. The beach becomes a festival with live music, food stalls serving massaman curry from massive pots, and yacht crews drinking at 16:00 when races finish. Best viewing: climb to Kata viewpoint for sunset shots of 100+ sails against limestone karsts.

Packing Checklist

Bookmark this page — your progress is saved between visits

Need the full list with shopping links?

Climate-specific gear, brand recommendations, and what to leave at home.

View Thailand Packing List →

Essential Tips

Insider knowledge and common pitfalls to avoid

Insider Knowledge
Book Bangkok-Don Mueang airport transfers after 21:00. December traffic means the 30 km (18.6 mile) ride takes 2+ hours during daylight. Tuk-tuk drivers in December quote prices in dollars to Christmas crowds. Respond in Thai ('pasa Thai dai') for instant 50% discount. Island speedboats leave 30 minutes earlier than scheduled in December. Captains depart full boats to beat afternoon winds. Chiang Mai's Sunday Walking Street expands to Saturday too during December. Same vendors, half the crowds, better negotiating.
Avoid These Mistakes
Assuming December means no rain. Afternoon storms still hit, and boat operators cancel for safety, stranding travelers on islands overnight. Booking island accommodation without backup power - December's peak demand means generators fail when everyone's running AC Wearing Christmas-themed clothing in Bangkok - locals find it disrespectful at temples, and you'll stand out as an easy scam target
Explore More Activities in Thailand

Didn't see anything interesting yet?

Browse Viator's full catalog of tours, day trips, food experiences, and private guides in Thailand.

See All Thailand Tours on Viator