Bangkok Climate by Month
Bangkok has a tropical wet climate, but it also has a dry season. The city has a drier season between November and February which means it is also the busiest time. The average maximum temperature is above 30°C year round.
The rainy season runs from June to October. At this time of the year you can expect short periods of rainy weather, with heavy downpours that mainly occur in the afternoon. About 90 percent of rain falls during this time of the year. Luckily even during the rainy season you can still expect a lot of sunshine. Most rain falls from August to October.
Average day and night temperature
The climate in Bangkok remains fairly constant, offering very warm temperatures throughout the year. Average daytime temperatures range from a very hot 37°C in April, the warmest time of the year, to a very warm 33°C during cooler months like December. At night, temperatures typically average around 23°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Bangkok is known for its substantial rainfall, with annual precipitation reaching 1668 mm. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, September receives heavy rainfall, averaging 333 mm of precipitation, recorded across 20 rainy days. In contrast, the drier season, December brings less rainfall, with 11 mm over a single rainy day.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Seasonal changes in sunshine hours are quite dramatic in Bangkok. While January receives considerable daily sunshine with up to 9.1 hours, September marks the darkest time of the year, where sunshine is scarce with only 5.2 hours of sunlight per day.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is moderate throughout the year in Bangkok.
Relative humidity over the year
Average wind speed
The mean wind speed over the year in Bangkok ranges from 1°C in January to 2°C in February.
The mean monthly wind speed over the year (meters per second)
The best time of year to visit Bangkok in Thailand
Other facts from our historical weather data:Rainy season in Bangkok occurs in the months of May, June, July, August, September and October.
Yes, the months of February and December are very dry.
April has an average maximum temperature of 37°C and is the hottest month of the year.
The coolest month is December with an average maximum temperature of 33°C.
September tops the wettest month list with 333 mm of rainfall.
December is the driest month with 11 mm of precipitation.
January is the sunniest month with an average of 273 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
