Average temperatures, rainfall and packing tips for Bangkok, Thailand in April
April in Bangkok is typically very hot, with average daytime highs around 36°C and nights near 29°C. It is usually the warmest month of the year in Bangkok.
Rainfall is light in April: roughly 5 mm across the whole month, typically the driest month of the year.
If your dates are flexible, the most comfortable months in Bangkok are usually July, August and September.
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In April, Bangkok averages a daytime high of about 36°C and a night-time low of around 29°C, based on recent historical data. That makes it the warmest month of the year there.
Rainfall is light in April: roughly 5 mm across the whole month, typically the driest month of the year.
April 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.