Thailand in December
Cool dry — Christmas/New Year peak everywhere
December is one of the best months to visit Thailand — strong conditions and the reason many travellers pick this window.
Thailand weather in December
December is dry across most of Thailand. Andaman beaches in peak season. Koh Samui drying out fast. Bangkok cool (23°C low) and very dry. Christmas/New Year sees a sharp price spike, especially in beach destinations.
What to pack for Thailand in December
- Lightweight, breathable clothing
- Sun hat & high-SPF sunscreen
- Swimwear
What's on in December
- Full Moon Party (Koh Phangan) (Haad Rin, Koh Phangan) — Monthly all-night beach party on the November-monsoon-immune Gulf side. Major draw for partying backpackers. Dates shift with lunar cycle — check ahead.
Is December the right month?
Thailand's best month is January (77); the toughest is September (42). For the best balance of good conditions and smaller crowds, aim for March (61). See the full month-by-month breakdown for Thailand.
FAQ
Is December a good time to visit Thailand?
December scores 76/100 on the Atlas Ranger Score — "Great". December is one of the best months to visit Thailand — strong conditions and the reason many travellers pick this window.
How warm is Thailand in December?
Expect daytime highs around 32°C (90°F) and overnight lows near 23°C (73°F), with about 10.4 hours of sun a day.
Does it rain in Thailand in December?
December sees roughly 14mm of rain — relatively dry.
What should I pack for Thailand in December?
For December: lightweight, breathable clothing, sun hat & high-spf sunscreen, swimwear.