Mumbai: The month of May concluded with pre-monsoon showers sweeping across most parts of the city between 6am and 9am on Sunday. According to civic data, the island city recorded an average rainfall of 0.61mm, while the eastern and western suburbs received 5mm and 2mm, respectively.
Area-wise Rainfall Distribution
Specific area-wise data revealed that the eastern suburbs experienced the highest rainfall, with Chembur recording 27mm, Mankhurd 22mm, Ghatkopar 11mm, and Kurla 10mm. In the western suburbs, the Bandra-Kurla Complex area recorded the highest rainfall at 22mm, followed by Santacruz with 17mm.
Several Mumbaikars reported brief but intense rain spells accompanied by thunderstorms around 5.30am. Dhaval Shah, a resident of Andheri, said: “Andheri received a decent shower along with thunderstorms. It lasted for a few minutes. Many people woke up from their sleep and enjoyed the season’s first shower.”
Weather Forecast and Alerts
The India Meteorological Department (IMD) has forecast thunderstorms accompanied by lightning, light to moderate rainfall, and gusty winds at isolated places in Mumbai between June 1 and 4. A yellow alert has been issued for this period.
Temperature and Humidity
Despite the showers, temperatures remained above normal. The maximum temperature at IMD’s Colaba observatory was 35.8 degrees Celsius, 1.7 degrees above normal, while Santacruz recorded 34.8 degrees Celsius, 0.9 degrees above normal. Minimum temperatures stood at 29 degrees Celsius in Colaba and 26.9 degrees Celsius in Santacruz, both above normal. Humidity levels were high, with relative humidity at 81% in Colaba and 86% in Santacruz.
Monsoon Onset
The official onset date of the southwest monsoon over Mumbai is June 11. In 2025, Mumbai witnessed its earliest-ever monsoon onset when rains arrived on May 26.
About the Author: Richa Pinto is a special correspondent with The Times of India, covering urban governance and climate change issues. With over a decade of field reporting experience, she has written extensively on civic issues affecting Mumbaikars. She graduated in journalism from St Xavier's College, Mumbai, and later pursued a three-year Law degree (L.L.B.) from the University of Mumbai.
