Average temperatures, rainfall and packing tips for Bangkok, Thailand in January
January in Bangkok is typically very hot, with average daytime highs around 33°C and nights near 23°C. It is one of the warmer months of Bangkok's year.
Rainfall is light in January: roughly 13 mm across the whole month.
If your dates are flexible, the most comfortable months in Bangkok are usually July, August and September.
← Bangkok weather tomorrow (live)
In January, Bangkok averages a daytime high of about 33°C and a night-time low of around 23°C, based on recent historical data.
Rainfall is light in January: roughly 13 mm across the whole month.
January is seriously hot in Bangkok. It's still doable - plan outdoor activities for early morning or evening, and build in shade and hydration breaks around midday. If your dates are flexible, the most comfortable months in Bangkok are usually July, August and September.