BMKG Predicts Short Rainy Season in West Java, Primarily in November 2026

The Meteorology, Climatology, and Geophysics Agency (BMKG) has revealed that the start of the rainy season in West Java is predicted to occur between October and November 2026. However, the rainy season will be most dominant in November 2026.

The Head of the West Java Climatology Station, Rakhmat Prasetia, stated that the beginning of the rainy season in West Java will start in October for approximately 24 per cent of the area, covering small parts of the western, central, and eastern regions of West Java.

Meanwhile, the start of the rainy season for the majority of West Java will occur in November, at around 49 per cent. In December, the onset is expected to cover 25 per cent of the area, specifically the northern part of West Java and small parts of the west.

“The majority of the start of the rainy season in West Java is predicted to be in November at 49 per cent,” he said via an official statement received on Monday (5/10/2026).

He further explained that the onset of the rainy season in the West Java region is slower than normal conditions. Approximately 96 per cent of most of West Java is experiencing a delay in the start of the rainy season.