 "Mumbai logs heaviest rain in 107 years as monsoon arrives 16 days early")
Mumbai, Maharashtra, saw the highest recorded rainfall in 107 years on Monday, the first day of the monsoon, as the city continues to be battered by torrential rain. Due to the rains in Mumbai, the monsoon has also come 16 days earlier than usual, according to the Indian Meteorological Department.
According to an official statement issued by the IMD, “Southwest Monsoon has advanced to Mumbai today, 26th May 2025, against the normal date of advancement, 11th June. Thus, the monsoon has arrived in Mumbai 16 days earlier than usual. This marks the earliest monsoon advancement over Mumbai during the period 2001–2025.”
Aside from the intense rain and waterlogging issues, Mumbai’s rainfall has broken a 1918 record.
Records from the Brihanmumbai Municipal Corporation (BMC) indicate that between midnight and eleven a.m. on Monday, more than 200 mm of rain fell on several areas of South Mumbai, according to the Indian Express.
Additionally, Mumbai recorded its greatest rainfall of 295 mm at the Colaba observatory. The previous record was set in May 1918, when rainfall reached 279.4mm.
According to the PTI article, IMD statistics showed that between 8:30 am and 11 am on Monday, Colaba received 105.2 millimetres of rainfall, followed by Santacruz (55 mm), Bandra (68.5 mm), Juhu Airport (63.5 mm), Chembur (38.5 mm), Vikhroli (37.5 mm), Mahalaxmi (33.5 mm), and Sion (53.5 mm).
Mumbai also has its earliest monsoon in 75 years with the May rainfall. According to IMD data, June 11 is typically when Mumbai’s monsoon season begins. In 2024, the southwest monsoon started on June 6.
Impact Shorts
View AllSouthwest monsoon made its onset over Mumbai on May 26. This is the earliest onset in the last 75 years," IMD scientist Sushma Nair told news agency PTI.
The southwest monsoon has begun 16 days earlier than usual, according to the weather service, because of the red alert in the area.
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