Characteristic of the climate in the country.

1. Lying along the equator, Indonesia has a tropical climate, with two distinct monsoonal wet and dry seasons. Average annual rainfall in the lowlands varies from 1780-3175 millimeters and up to 6100 millimeters in mountainous region.The extreme variations in rainfall are linked with the monsoons.Generally speaking, there is a dry season (June to September), influenced by the Australian continental air masses, and a rainy season (December to March) that is the result of mainland Asia and Pacific Ocean air masses. The humidity is generally high , averaging about 80%. Temperature vary little throughout the year , average daily temperature range of Jakarta is 26-30 °C. Jakarta has a hot and humind equatorial/tropical climate. Jakarta's wet season rainfall peak is January with average monthly rainfall of 350 millimeters and dry season low point is August with a monthly average of 60 millmeters.
   
   -Month /Temperature (oC) (Mean) /Precipitation (mm) (Mean)
   -January/27.1/384.7
   -February/27.3/309.8
   -March/28.4/100.3
   -April/28.8/257.8
   -May/29.0/133.4
   -June/28.1/83.1
   -July/28.7/30.8
   -August/28.5/34.2
   -September/29.3/29.0
   -October/29.1/33.1
   -November/28.1/175.0
   -December/28.5/84.0
   -Annual/28.4/1655.4