Mumbai Rains: Mumbai has witnessed a weather experience unlike any other. The record-breaking arrival of the southwest monsoon early. And the wettest May in 100 years, said the India Meteorological Department (IMD). The early rain, which typically starts early or mid-June, came in its surprise avatar in the third week of May 2025, surprising many locals and officials alike.
May is not the time of year when Mumbai gets much rain, but this year has broken all records. Mumbai has already received more than 350 mm of rain in May. Much more than the average 10–15 mm of a month. This has technically made May 2025 the wettest May in a century. And showers have poured over many low-lying areas and disrupted the routine routine.
The IMD ascribes this trend of abnormal weather to the stronger-than-anticipated intensification of monsoon flows and a combination of robust westerly winds and low-pressure systems over the Arabian Sea. These enabled the monsoon to move at a faster pace than usual.
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Early onset of monsoon rains has been a nuisance in a string of Mumbai rights. Waterlogging, traffic congestion, and power outages in certain parts of the city, especially Sion, Dadar, Andheri, and Kurla, were reported. A few suburban trains ran late, and flight operations at Chhatrapati Shivaji Maharaj International Airport. It also suffered temporary cancellation due to poor visibility.
City governments, who had previously ramped up monsoon preparedness in early June, were compelled to move earlier. Drains were flushed, trees were pruned, and pre-monsoon checks of infrastructure were all still in progress when the rains arrived, which caused delayed reactions.
Meteorologists and climatologists say that these extreme weather events are on the rise. With climate change and increased sea surface temperature. They argue that heavy and premature precipitation patterns are sure to persist in the future and thus improved urban planning and adaptive infrastructure are needed.
Also Read: Mumbai Rain: City Flooded, IMD Issues Orange Alert
The first monsoon and record rains in the history of Mumbai in May are an eye-opener for the public and policymakers. As climatic patterns shift, good planning and increased green consciousness will be the defenses to immunizing India’s business capital from future disruptions.