SeasonScore
Kanchanaburi, Thailand
Photo: deror_avi · CC BY-SA 3.0

Thailand

Kanchanaburi in December

🌤️ Cool season

Hot, a little humid and mostly dry.

🎒 Pack: light, breathable clothes & sunscreen · sunglasses & hat

Best months: Dec (8.8), Jan (8.6), Nov (8.4)

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Why December scores 8.8What goes into the score

How it works
🌡️ 32° / 20°C🌧️ 7 mm💧 dew pt 19°🍃 PM2.5 13
  • Weather comfort8.5
    • ✓Hot (32°C highs / 20°C lows)
    • !Humid (dew point 19.2°C)
    • ✓Mostly dry (~7 mm rain)
  • Air quality8.8
    • ✓Good (within WHO guideline) (PM2.5 ~13 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline8.0
    • ·Normal precautions
Compare monthsPut December side by side with another month
DecJan
Score8.8 Excellent8.6 Excellent
Season🌤️ Cool season🌤️ Cool season
High / low32° / 20°33° / 20°
Rain7 mm8 mm
Humiditydew pt 19°dew pt 18°
PM2.513 µg/m³20 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Kanchanaburi weather-station normals. Rainfall: Kanchanaburi weather-station normals (national met service).

Holidays & crowdsDecember 2026

Long weekend

There's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.

  • HM King Bhumibol Adulyadej the Great's Birthday 5–7 Dec · 3 days off in a row
  • New Year 31 Dec – 3 Jan · 4 days off in a row

Other public holidays: Constitution Day (10 Dec)

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Explore KanchanaburiEvents, sights, food & souvenirs

Check event dates locally

Kanchanaburi, west of Bangkok, is known for the Bridge on the River Kwai, World War II history along the Death Railway, and waterfall-filled national parks.

Events in December
River Kwai Bridge WeekDate variesUsually late November to early December

A fair with a light-and-sound show recreating the wartime bombing of the bridge.

Why go: Very popular; accommodation near the bridge books out.

Where: Bridge on the River Kwai

Coming up later

ANZAC Day dawn serviceEvery year25 April every year

A dawn commemoration for Australian and New Zealand prisoners of war.

Why go: Attendance requires a pre-dawn start from Kanchanaburi town.

Where: Hellfire Pass Memorial

Songkran (Thai New Year)Every year13-15 April every year

Thai New Year water festival.

Why go: Expect water fights on the main roads.

Where: Town centre

Plan this tripTickets, data and transfers for Kanchanaburi

Airport transfer Kiwitaxi

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