Indonesia has two distinct seasons. The east monsoon, from June to September, brings dry weather while the west monsoon, from December to March, brings the most rains. The transitional period between these two are interposed by occasional rain showers, but even in the midst of the west monsoon season temperatures range from 21C (70 F) to 33C. (90 F) except at higher altitudes, which are much cooler. The heaviest rainfalls are recorded in December and January. Humidity is between 60-100%.