There are four seasons in Indonesia – wet season, dry season, cool season, and hot season.
The wet season, which runs from October to April, is the time when most of the country experiences rainfall. The dry season, from May to September, is the time when the rainfall decreases. The cool season, from October to February, is the time when the temperature is milder. The hot season, from March to September, is the time when the temperature is hotter.