
Mumbai Breaks Rainfall Records, Scientists Demand Better Early Warning for Extreme Rains
Mumbai is witnessing a monsoon like never before. On May 26, the southwest monsoon arrived in the city a staggering 16 days ahead of its usual date, setting a new record for the earliest-ever onset in the financial capital. What followed was relentless rain that brought the city to a halt and shattered century-old records.
According to the India Meteorological Department (IMD), Mumbai City (Colaba observatory) received 456.5 mm of rain and the Suburbs (Santacruz observatory) 342 mm between May 1 and May 27. This makes May 2025 the wettest May ever recorded in Mumbai, breaking the previous record of 280 mm set in 1918.
The most dramatic rainfall occurred in just two days. From 8:30 am on May 25 to 8:30 am on May 26, Colaba received 135.4 mm of rain a 67,600% excess over the average of...