Bangkok weather in April
Bangkok averages 34°C by day and 27°C at night in April and 12 days with at least 1 mm of rain.
Day
34°C
Night
27°C
Sea
n/a
Rainy days
12
Flight from London
11½h
What April feels like
April is hot but wet in Bangkok: rainy season, so pack for showers.
It is rainy season, with rain on about 12 days.
Of the 48 sun destinations we track, Bangkok is the #1 warmest in April.
Bangkok weather by month
April is highlighted. Compare with March and May, or see the full year in Bangkok.
Bangkok in April: quick answers
Is Bangkok hot in April?
April is hot but wet in Bangkok: rainy season, so pack for showers. Average highs are 34°C and lows 27°C.
Does it rain in Bangkok in April?
It is rainy season, with rain on about 12 days.
What is the warmest month in Bangkok?
April, at an average high of 34°C. The coolest is October at 31°C.
How long is the flight to Bangkok from the UK?
About 11½h direct from London, estimated from the 9,555 km distance. Check your airline for exact times.
Still choosing? See where is hot in April for every destination ranked by temperature, sea and flight time.
How we measured this
Averages of every day in April from 2016 to 2025, from the Open-Meteo historical weather archive (ECMWF ERA5 reanalysis). Sea temperature is the 2023 to 2025 average from the Open-Meteo marine archive. A rainy day has at least 1 mm of rain. Reanalysis describes an area about 25 km across, so sheltered resorts can run a degree or two warmer. Flight time is a distance-based estimate from London Heathrow.
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