Indonesia has a tropical climate. The temperature remains constant, with an average of 28°C, 26 °C, and 23 °C in coastal plains, the inland and mountain areas, and the higher mountain areas respectively. There is little variation in temperature from season to season. Daylight hours change very little for different seasons. The humidity ranges between 70 and 90 percent. Higher elevations experience cold temperatures. For most of Indonesia, there is a dry season (June to September), and a rainy season (December to March).