Mumbai Prepares for Heavy Monsoon Rainfall: Weather Update

Mumbai is set to receive a significant amount of rainfall as the monsoon returns, bringing relief from the recent dry spell and high temperatures. The India Meteorological Department (IMD) has issued alerts for potential thunderstorms and localised flooding.

MumbaiMonsoonRainfallClimate ChangeUrban InfrastructureReal Estate MumbaiJun 11, 2025

Mumbai Prepares for Heavy Monsoon Rainfall: Weather Update
Real Estate Mumbai:Mumbai is poised for a significant weather shift this week, with the India Meteorological Department forecasting a renewed spell of heavy rainfall starting Thursday. After an unusually early onset in May followed by a lull, the monsoon is gathering momentum once again, offering relief from sweltering heat and supporting wider ecological and agricultural needs.

Despite a record-breaking early arrival of the southwest monsoon in May, the city has endured an unseasonal dry spell through the first half of June. According to IMD data, Colaba and Santacruz observatories recorded only 83 mm and 87 mm of rainfall respectively—roughly 25 mm below the month’s average. The resulting rise in temperatures and humidity has led to discomfort and water stress in some localities.

This week, however, weather systems such as an upper-air cyclonic circulation over Odisha and a trough extending from Tamil Nadu to Maharashtra are expected to re-energise rainfall over the region. IMD officials have issued yellow alerts for Mumbai, Thane, and Palghar, with an orange alert across southern Konkan districts, warning of potential thunderstorms, gusty winds, and localised flooding.

This shift is more than seasonal—it reflects the growing unpredictability of monsoonal patterns under climate stress. Experts point to the lack of consistent weather systems—such as the Somali Jet or troughs along the western coast—as reasons behind the two-week lull. But with systems strengthening again, the Konkan belt, including Mumbai, could receive rainfall exceeding 204 mm in some pockets between Friday and Saturday. As the rains pick up, they’re expected to cool urban heat islands, recharge water tables, and stabilise soil moisture for kharif cropping.

Civic authorities have urged residents to stay alert, while experts stress the urgent need for water-sensitive urban infrastructure—like permeable pavements and green corridors—to reduce flood risk. If sustainable practices aren’t scaled up now, they warn, the growing volatility of India’s monsoons will continue to strain cities already grappling with the dual pressures of climate change and rapid urbanisation.

Frequently Asked Questions

When is the heavy rainfall expected to start in Mumbai?

The heavy rainfall is expected to start in Mumbai from Thursday, as forecasted by the India Meteorological Department (IMD).

How much rainfall did Mumbai receive in June compared to the average?

Mumbai received only 83 mm of rainfall at the Colaba observatory and 87 mm at the Santacruz observatory in June, which is roughly 25 mm below the month’s average.

What weather systems are contributing to the renewed monsoon activity?

An upper-air cyclonic circulation over Odisha and a trough extending from Tamil Nadu to Maharashtra are contributing to the renewed monsoon activity.

What are the IMD alerts issued for Mumbai and surrounding areas?

IMD has issued yellow alerts for Mumbai, Thane, and Palghar, and an orange alert across southern Konkan districts, warning of potential thunderstorms, gusty winds, and localised flooding.

What measures are experts recommending to reduce flood risk in Mumbai?

Experts recommend implementing water-sensitive urban infrastructure, such as permeable pavements and green corridors, to reduce flood risk in Mumbai.

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