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B’luru records highest rainfall ever for April, surpasses 2011 record
Bengaluru registered its highest April rainfall on record with 111.5 mm in 24 hours, surpassing the 2011 figure of 108.6 mm. A burst of heavy rain, including about 78 mm in 30 minutes, caused rapid waterlogging, disruption to traffic, and damage across parts of the city, while authorities documented widespread impacts and ongoing weather updates.
Why It Matters
The event highlights extreme rainfall and urban flooding risks in Bengaluru, with significant impacts on infrastructure, businesses, and public safety, underscoring the need for preparedness during heavy downpours.
Timeline
3 Events
April 30: Weather forecast for next 36–48 hours
April 30, 2026
The weather department forecast partly cloudy skies with intermittent thundershowers over the next 36–48 hours, especially in the evening or night. Winds of 30–40 kmph were expected, with maximum temperatures likely around 36°C, about 2°C above normal, and daytime temperatures not expected to drop significantly.
April 29: Record April rainfall and widespread impact
April 29, 2026
Bengaluru recorded 111.5 mm of rainfall in the 24-hour period, with about 78 mm falling in roughly 30 minutes, causing rapid waterlogging in central areas and disrupting traffic. The rainfall distribution varied by location: HAL station 34.2 mm; Kempegowda International Airport trace rainfall; Bengaluru (AWS) 102 mm; GKVK 9 mm; Doddaballapura 2 mm. Karnataka State Natural Disaster Monitoring Centre data showed concentrated rainfall in Cottonpet (71 mm), Chamarajpet (69.5 mm), Bommanahalli (61 mm) and Pulakeshinagar (59.5 mm). The Greater Bengaluru Authority reported 170 trees uprooted and 408 branches fallen, with 118 cleared by late night. A bookshop on Church Street reported 4,000–5,000 books damaged, with losses around ₹15 lakh.
April 1–28: Dry spell with trace rainfall
April 28, 2026
Bengaluru experienced an extended dry spell from April 1 to 28, recording only trace rainfall, despite a normal April average of 61.7 mm.