What December feels like in Bangkok
December is part of Bangkok's dry season, when rain totals drop well below the wet months. Afternoons are hot, so sightseeing works best in the morning or evening. Evenings bring a clear drop in temperature, and nights stay warm. The air carries some moisture, so hot spells feel a little sticky.
Rain in Bangkok in December
Rain is rare in December — most weeks pass without a wet day. Wet days average about 4.1 mm (0.2 in), enough to soak you without an umbrella. That is lighter than the city's yearly norm of about 7.6 mm per rainy day. December is Bangkok's driest month of the year.
Daylight and sunshine in December
On 15 December the sun rises at about 6:33 am and sets around 5:53 pm local time, giving 11 h 19 min of daylight. Days are getting shorter: 11 min less daylight than in mid-November. Close to the equator, sunrise and sunset times move very little through the year. The sun is out for roughly 90% of those daylight hours, so skies are mostly clear.
How December compares to the rest of the year
In Bangkok's temperature order, December sits as the 3rd coolest month. It is about as warm as November, with 50 mm less rain. Temperatures barely move from one month to the next here. By January, typical highs are 31°C (87.8°F).
Who December suits
- Sightseeing: a good fit — daytime temperatures are fine for walking around.
- Parks & outdoor: less ideal — afternoons are too warm to linger outside.
Tips for visiting Bangkok in December
Sun Protection
Protect yourself from strong sun: hat, SPF and plenty of water.
Quick questions
How warm is Bangkok in December?
It feels hot: typical highs are 30.9°C (87.6°F), with lows near 22.1°C (71.8°F).
Does it rain a lot in Bangkok in December?
No — December is one of the drier times, with about 3 rainy days and 12 mm in total.
What should I wear in Bangkok in December?
Based on the averages: sun protection. There is little need to change for the evening.
Is December or January better for visiting Bangkok?
January, narrowly: it ranks #1 of 12 among Bangkok's months, against #2 for the other.