WanderWhen

Bangkok weather in January

January is a fair shoulder-season month in Bangkok — decent conditions with some trade-offs. Expect highs around 32°C, lows near 22°C, and about 3.5 days with rain.

6.9 · Fairtravel score for January
Avg high
32°C
Avg low
22°C
Rainfall
16 mm
Rain days
3.5
Sunshine
10.6 h/day
Daylight
11.3 h

What to pack for Bangkok in January

  • light, breathable clothing
  • sun protection (hat, SPF 50)

Humidity averages 64%; max daily wind around 13 km/h.

Bangkok in January: the details

In January, Bangkok sees average daytime highs of 32°C (89°F) and overnight lows of 22°C (72°F). Rainfall totals roughly 16 mm across 3.5 rainy days, and the sun shines about 10.6 hours per day with 11.3 hours of daylight mid-month. Relative humidity averages 64%.

These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Bangkok, Thailand (13.75, 100.5) — see our methodology. Actual conditions vary year to year.

Where should you go next month?

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