If you're wondering why Rain continues in Jakarta For days and weeks, you're not alone. Millions of Jakarta citizens each year face the period in which Rain continues in Jakarta Endless, causing severe gridlock, flood, and everyday activity disorder. This article explains the scientific cause behind this phenomenon.
Why Jakarta Very Rain Often
Jakarta has some geographical characteristics and climatologists that led this city to become one of the wettest capital cities in the world. Jakarta's annual rainfall is 1,800-2,000 mm, way above the average city in Southeast Asia.
First, Jakarta located on a lowland near the shore with 13 rivers flowing through it. The proximity to the ocean provides almost infinite water vapor sources. As a result, rainclouds form very easily above and around Jakarta.
Second, on the south side of Jakarta there are the Bogor Mountains and peaks that create the effects of the wind convergence. The winds from the north sea meet the winds from the south mountains above Jakarta, creating an ideal wind encounter area for forming rain. Therefore, Jakarta often receives actual rain "intended" for further regions.
Jakarta Rain Pattern Per Month
| Month | Average Rain Showers | Rain Day | General Condition |
|---|---|---|---|
| January | 300 mm | 20 days | The peak of the rainy season, the risk of high flooding |
| February | 280 mm | 18 days. | It's still monsoon season |
| March | 220 mm | 16 days | Starting to reduce |
| April | 150 mm | 12 days | Pancaroba start |
| May | 100 mm | 9 days | Early dry season |
| June | 80 mm | 7 days | The dry season |
| July | 60 mm | 5 days | The driest drought season |
| August | 50 mm | 4 days | The driest drought season |
| September | 70 mm | 6 days | Start pancaroba |
| October | 120 mm | 10 days | Early rain season |
| November | 200 mm | 15 days | The rainy season is getting intense |
| December | 280 mm | 19 days | Approaching the peak of the rainy season |
La Nina's influence on Jakarta Rain
In addition to regular season patterns, global climate phenomena also affect the intensity of Jakarta rain. La Nina is a temperature cooling phenomenon in the central Pacific Ocean that happens every few years. When La Nina is active, rain falls in Indonesia. — including Jakarta — It could increase 20-40% above normal.
Instead, El Nino caused the Pacific surface temperature to warm and shift the center of the conference to the east. As a result, when El Nino is active, Jakarta rainfall is reduced and the dry season is longer and drier than usual. Both of these phenomena cycle every 2-7 years and deeply affect Jakarta weather patterns.
Why does the flood happen?
The flood in Jakarta wasn't always due to heavy rain. Sometimes ordinary rain causes severe floods. This is because the drainage capacity of Jakarta is inadequate for volume of water entering.
Besides, the flood shipments from Bogor and Depok have often worsened the situation. When the Summit and Bogor received heavy rains, the water flowed down through the rivers to Jakarta in a matter of hours. Therefore, Jakarta could flood even when in Jakarta alone only drizzle.
Tips Facing Rain in Jakarta
Facing the constant rain weather in Jakarta requires preparation. First, monitor Jakarta weather forecast today Every morning before leaving. It helps you pick a route and prepare the right equipment.
Second, follow the Jakarta BPBD social media account that gives reality-time information about flood points. Third, keep Jakarta's emergency number on your cellphone. Watch too Kakarta 7-day forecast For weekly planning.

