Bangkok December weather
Bangkok, Thailand · December
Hot outside, cool inside: plan for the contrast
December often feels less humid, which can make outdoor time more comfortable. Midday still feels hot, especially with long transfers.
Indoor AC can feel cold if you spend long stretches inside. A thin layer helps adjust.
December averages at a glance
Average low
around 22–24°C
Average high
around 30–33°C
Average rainfall
around 5–30 mm
Wet days
about 1–5 days
What to wear in December in Bangkok
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Summer clothing + thin indoor layer works well.
- • Temple-friendly long option keeps routing flexible.
- • Comfortable shoes help for longer walking days.
Travel tips for visiting Bangkok in December
- • Walkable weather can make you overbook the day—set rest points intentionally.
- • Keep a thin layer in your bag for indoor AC contrast.
December weather in Bangkok — FAQ
Q. Are December nights chilly?
A. They can feel less hot, but rarely ‘cold’. Indoor AC is more likely to feel chilly.
Q. Do I need to worry about rain in December?
A. Rain is limited but not guaranteed to be zero—light readiness helps.
Explore Bangkok
These pages are connected so you can compare conditions and decide for yourself.