Middle of the drier season · Weather & things to do
Bangkok in January
Bangkok warms up: highs climb to 91°F (33°C), from 87°F in December, with lows of 68°F (20°C) and about 0.6 in (16 mm) of rain.
At 74/100 for comfort (2nd of 12), it's one of the best months to visit.
- Avg high
- 91°F (33°C)
- Avg low
- 68°F (20°C)
- Rain
- 0.6 in (16 mm)
- Humidity
- 64%
- Cloud cover
- 40%
- Daylight
- ~11 h 16 min
- Comfort score
- 74/100 · Good
What January feels like
Afternoons run hot at about 91°F (33°C), which leaves mornings and evenings as the time for walking.
There's a big swing between day and night, about 13°C (23°F), so mornings and evenings feel much cooler than the afternoon.
It's one of the drier stretches, with only about 0.6 in (16 mm) of rain.
Plan around January
January is one of Bangkok's best months on the climate data.
- Last of the best-scoring months: by February, the score drops to 65/100.
- Comfort slips from 79/100 in December to 74/100.
- January sits inside the Nov – Mar window our Bangkok to the Andaman route recommends.
What to pack for January
- Light, breathable clotheshighs average 91°F
- Sunscreen, sunglasses and a hathigh UV on clear days
- Refillable water bottleeasy to dehydrate in the heat
- A warm layer for eveningslows near 68°F
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Bangkok in January
Afternoons run hot (91°F), so these picks mix early-start outdoor spots with cool indoor breaks.
Lumphini Park
Downtown park with a lake, paddle boats and monitor lizards.
Why now January scores 74/100 for comfort, good conditions for being outside.
Jay Fai
Michelin-starred street-food stall known for crab omelets cooked over charcoal.
Why now Highs near 91°F and 0.6 in of monthly rain make this an easy outdoor pick.
Sky Bar at Lebua
Open-air bar 63 floors up on the State Tower, overlooking the river.
Why now One to do outside while the weather is on your side.
Jim Thompson House
Teak houses and gardens of the American silk merchant who disappeared in 1967.
Why now Go early — afternoons average 91°F.
Chao Phraya Express Boat
Cheap river ferry linking the old city, temples and Chinatown.
Why now Best first thing, before the 91°F afternoon heat.
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Bangkok in January: quick answers
Is January a good time to visit Bangkok?
Yes. On the climate data it's one of the best months, scoring 74/100. Expect highs of 91°F (33°C) and 0.6 in (16 mm) of rain. January is inside the Nov – Mar window our Bangkok to the Andaman route recommends.
How hot is Bangkok in January?
Average highs are 91°F (33°C) and average lows 68°F (20°C), making it the 5th-warmest month by daytime highs.
Does it rain a lot in Bangkok in January?
Not much: about 0.6 in (16 mm) of rain falls across January on average, the 3rd-driest month of the year. The annual total is about 53.6 in (1361 mm).
What should I pack for Bangkok in January?
Bring light, breathable clothes (highs average 91°F), sunscreen, sunglasses and a hat (high UV on clear days), refillable water bottle (easy to dehydrate in the heat), a warm layer for evenings (lows near 68°F) and comfortable walking shoes (most places below are best reached on foot or with short walks).
Routes in season in January
- Bangkok to the Andaman Nov – Mar
Planning Bangkok in January?
Share this January plan with your group, poll everyone on dates and keep the packing list in one place.