Geographic Location

Climate

Jakarta has a tropical climate with the annual average temperature to 27 ° C and dampness 80-90 %. Located near the equator, the wind is affected by a seasonal wind. West Seasonal Wind blows between November and April while East seasonal wind blows between May and October. City Jakarta temperature is under influence of sea wind as it is located along the coastal lines. The average of raindrop is 2,000 mm. The biggest raindrop is around in January and the smallest one is in September.

Geographical Condition

All lands consist of Pleistocene sediment ± 50 M below land level. Southern part of the land comprise alluvial layer and lower coastal land are extended to 10 Km. Beneath there is older sediment which is unseen from the land surface due to being covered by alluvium sediment. In the Northern part of the territory, there is similar sediment in 10-25 M depth. Moving southward, harder land surface is shallower to 8-15 M. On certain part of the city, there is also hard land surface sediment with 40 M in depth.

Geographical Position

Width: 650 KM/65,000 Ha
Diagonal Position: 106 22 42 East Longitude to 106 58'18" East Longitude -5 19' South Latitude to -6 23'54" South Latitude

Topography

Land's height: 0-10 M above sea level (from 0 point in Tg Priok)
5-10 M above sea level (from East Flood Canal to Southern border of Jakarta).