Bangkok's climate is characterized by a relatively consistent warm temperature year-round, with minimal seasonal variation. Temperatures range from around 16-39°C, with an average high of around 30°C during the hottest months of March to June. The coolest month is December, but temperatures rarely drop below 18°C. April and May can feel quite humid due to the rain-free periods. From July to September, temperatures remain relatively stable, while October and November see a slight decrease in maximum temperature.