When to go · Bangkok
Bangkok in January
Great month. Cool (for Bangkok) and dry; high season; smog on still days (check AQI).
Key facts
- Verdict
- Great
- Temperature
- 32°C (90°F)90°F (32°C) / 22°C (72°F)72°F (22°C)
- average high / low
- Rain days
- 2
- Crowds
- High
- Thailand overall
- Prices
- High
- Thailand overall
Verdict
Cool (for Bangkok) and dry; high season; smog on still days (check AQI).
All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.
Is another month better than January?
No other month rates higher than January for Bangkok in this guide.
Weather in January
- BangkokHighs around 32 °C (90 °F), lows around 22 °C (72 °F), rain on about 2 daysHighs around 90 °F (32 °C), lows around 72 °F (22 °C), rain on about 2 days
- Bangkok and centre, Thailand · Bangkok, Ayutthaya, Kanchanaburibest weather
Cool season Nov–Feb is the easy window; April reaches 38 °C (100 °F); September and October bring street flooding in short bursts.Cool season Nov–Feb is the easy window; April reaches 100 °F (38 °C); September and October bring street flooding in short bursts.
Cool season season
Dry days in the low 30s, cooler nights, Loy Krathong on the river, New Year fireworks; the easiest walking months.
Watch: Peak prices and crowds; smog on still days in Jan–Feb.
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
New Year's Day and Children's Day check
1 January; Children's Day on the second Saturday · Whole city
Offices close on 1 January; on Children's Day some government sites and army bases open to kids.
Chinese New Year check
Around 6 February in 2027 · Yaowarat and Chinatown
Yaowarat Road closes to traffic for lion dances and food stalls; many Chinatown shops shut for 3–5 days afterwards.
New Year
31 Dec – 1 Jan · Thailand
Beach and island beds sell out; Bangkok roads and trains packed on 30 Dec and 2 Jan.
Crowds and prices
- Crowds · Thailand overall
- High
- Prices · Thailand overall
- High
Thailand overall: Cool and dry nearly everywhere: the easiest month; book islands and Chiang Mai early.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Bangkok, side by side.
Verdict
Jan: Great
Feb: Great
Daytime high
Jan: 32 °C (90 °F)90 °F (32 °C)
Feb: 33 °C (91 °F)91 °F (33 °C)
Night low
Jan: 22 °C (72 °F)72 °F (22 °C)
Feb: 24 °C (75 °F)75 °F (24 °C)
Rain days
Jan: 2
Feb: 2
Crowds
Jan: High
Feb: High
Prices
Jan: High
Feb: High
Festivals listed
Jan: 3
Feb: 2
January: Cool (for Bangkok) and dry; high season; smog on still days (check AQI).
February: Warm and dry; Chinese New Year crowds Yaowarat some years.
Bangkok: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen