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Bangkok Weather by Month
Average temperatures, rainfall and humidity for Bangkok, Thailand, month by month, built from OpenWeather’s historical records. Use it to see what a typical Bangkok month looks like before you travel — then check the live Bangkok forecast for the days ahead.
Warmest month
April
36°C average high
Coolest month
January
23°C average low
Wettest month
September
162 mm of rain
Driest month
December
17 mm of rain
Average temperature and rainfall in Bangkok by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 32°C | 23°C | 14°C / 37°C | 18 mm | 64% | 10 km/h |
| February | 34°C | 24°C | 16°C / 38°C | 18 mm | 65% | 12 km/h |
| March | 35°C | 27°C | 21°C / 40°C | 47 mm | 67% | 14 km/h |
| April | 36°C | 28°C | 19°C / 41°C | 41 mm | 65% | 14 km/h |
| May | 35°C | 28°C | 23°C / 41°C | 71 mm | 69% | 12 km/h |
| June | 34°C | 27°C | 23°C / 42°C | 98 mm | 72% | 12 km/h |
| July | 33°C | 27°C | 23°C / 38°C | 98 mm | 73% | 12 km/h |
| August | 33°C | 27°C | 23°C / 38°C | 112 mm | 73% | 11 km/h |
| September | 33°C | 26°C | 23°C / 37°C | 162 mm | 75% | 10 km/h |
| October | 32°C | 25°C | 22°C / 37°C | 111 mm | 76% | 9 km/h |
| November | 32°C | 25°C | 18°C / 37°C | 40 mm | 69% | 9 km/h |
| December | 32°C | 23°C | 15°C / 39°C | 17 mm | 63% | 10 km/h |
Best time to visit Bangkok
The most comfortable time to visit Bangkok is generally November to January, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around September, totalling about 833 mm a year.
Travellers who prefer heat should aim for April, when highs average 36°C. September is the month to avoid if rain would spoil your plans — it averages 162 mm, roughly 9× the rainfall of the driest month (December).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Bangkok forecast for what is happening now.
Weather across Thailand right now
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