Average monthly temperatures
Bangkok has a hot tropical climate with only a small variation in temperature annually, typically there are both wet and dry seasons, however even during the wet season, showers often arrive in the form of short and heavy downpours usually separated by extended periods of sunshine.
The best time to visit is between December and March when the weather is most settled.
The hottest month of the year is April with an average daily maximum of 36 C and an average low of 27 C.
The coolest month of the year is January with an average daily maximum of 32 C and an average low of 23 C.
Sunshine and rainfall
The driest month is February with 2 mm of rainfall and 28 perfect sunny days. The wettest month is September with 139 mm of rain over 8 days.
Best time to be on the beach
Beaches and swimming are accessible all year with warm sea temperatures usually guaranteed.