Bangkok Weather in August
Planning a trip to Bangkok in August? Here's what the weather is really like as monsoon season continues in full force.
August in Bangkok stays hot, humid, and wet. Highs sit in the upper 80s to low 90s°F, lows stay in the mid to upper 70s, and humidity is constant. Rain averages 15–17 days for the month — a bit wetter than July — mostly arriving as intense afternoon thunderstorms driven by monsoon convection.
The added complication in August: it's peak tropical season for East Asia, and while direct tropical hits on Bangkok are rare, tropical systems drifting west can extend rainfall and enhance flooding risk. With daily rain to plan around, mornings work well for outdoor sightseeing and afternoons for indoor exploration. Meteorologist Ian Schwartz breaks down what to expect.
At a glance
What's covered
- Highs, lows, and constant humidity
- Rainy days and the monsoon
- Daily afternoon thunderstorms
- Peak East Asian tropical season and extended rain risk
- How to plan your day around the rain
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Bangkok in August FAQ
What is the weather like in Bangkok in August?
Hot, humid, and wet. Highs sit in the upper 80s to low 90s°F, lows stay in the mid to upper 70s, and humidity is constant. Rain averages 15–17 days — a bit wetter than July — mostly as intense afternoon thunderstorms driven by monsoon convection.
Do typhoons hit Bangkok in August?
Direct hits are rare — Bangkok sits inland in the Chao Phraya delta and is largely sheltered from direct tropical strikes. But August is peak East Asian tropical season, and systems drifting west can extend rainfall over Bangkok and enhance flooding risk. Worth checking the forecast in the week before your trip.
How do you plan around monsoon rain in Bangkok?
Mornings are usually the driest, most usable window — front-load outdoor sightseeing before noon. Afternoons work well for indoor activities: temples, museums, markets, mall food courts. Bring an umbrella, waterproof shoes, and don't schedule anything tight if it involves crossing the city during a downpour.