BMKG reveals the phenomenon of 'rain a months fall per day' in Bali

Jakarta – The rainy season 2025/2026 is expected to arrive earlier than normal conditions. On average, rainfall is normal. However, the agency meteorology, climatology and geophysics (BMKG) reminded the potential for rain one month in one day. It was transferred by the head of BMKG Dwikorita Karnati at a press conference in Jakarta, Friday (12/9/2025). Initially, he explained that the average monthly rainfall was classified as normal in the rainy season. Nevertheless, there is a possibility of rainfall per month to fall within a day or even a few hours. “The average monthly rainfall is normal. That means it’s not extreme. But the appearance of the disaster is an extreme event that is daily. It is very possible, or it is possible, although the average monthly 30 days are normal, but it may be rain that one month has dropped a few hours,” Dwikorita said. Browse to continue with the content, he said the average rainfall is normal if calculated. Average 300 mm. “So if it is calculated for one month of rain, 300 millimeters in one month. If still is considered normal, but this one month only one day or a few hours could be dropped,” he said. He gave an example of rainfall in Bali. He revealed that rainfall in Bali was a one -month rainfall but fell one day. “The example in Bali should rain 380 millimeters in one month in one day. It could have been two months,” he said. He also called on all the warning in this case. Because rain occurs more frequently one month a day. “So what needs to be warned, although the rainfall will be normal in the rainy season, according to the monthly average, there is one month of rain more often in one day or a few days,” he said. Based on data from 699 seasonal zone (zom), there are 294 zom or 42.1 percent, which is estimated to experience a faster rainy season than usual. “The rainy season will take place from August 2025 to April 2026, with a variety of rain peaks, most of them took place in November 2025 in Sumatra and Kalimantan, and January-February 2026 in Java, Sulawesi, Maluku and Papua,” Dwikorita said. (RDP/IMK)