Mumbai is witnessing its driest June in nearly two decades as the southwest monsoon’s progress has stalled, delaying its arrival over the city by about a week, according to the India Meteorological Department (IMD). The rainfall deficit has left residents grappling with hot and humid weather, while raising concerns about water resources and the impact on agriculture.
The delay is being attributed to the absence of strong low-pressure systems and unfavourable atmospheric conditions that have slowed the monsoon’s advance after an early onset elsewhere in the country. The unusual weather pattern is not limited to Mumbai. Pune has recorded its driest first half of June since 1958, while Delhi has experienced only intermittent showers and thunderstorms. IMD officials have said that conditions are gradually becoming favourable for the monsoon to regain momentum, with increased rainfall expected across several regions in the coming days.
Why Has The Monsoon Slowed Down
The delayed arrival of the monsoon in Mumbai has puzzled many residents, especially after forecasts initially suggested a promising start to the rainy season. Meteorologists explain that while the southwest monsoon advanced rapidly across parts of southern and eastern India earlier than usual, it subsequently entered what weather experts describe as a “break” or “pause” phase. This slowdown occurred because of the lack of strong low-pressure systems over the Arabian Sea and central India—weather mechanisms that typically help pull moisture-laden winds further inland and sustain widespread rainfall.
According to IMD officials, the absence of these supportive systems weakened the monsoon’s momentum along the west coast, resulting in significantly below-normal rainfall in Mumbai. The city, which usually experiences frequent showers by mid-June, has instead witnessed prolonged dry spells interspersed with high humidity. Weather experts have noted that such pauses are a recognised feature of the monsoon cycle, but the current delay has been particularly noticeable because it followed an unusually early onset in other regions.
The rainfall deficit has affected daily life across the city, with residents enduring uncomfortable weather conditions and authorities closely monitoring reservoir levels ahead of the peak monsoon months. Officials have, however, expressed optimism that the formation of favourable weather systems could soon help the monsoon advance further into western India.
Pune’s Historic Dry Spell
Mumbai’s rainfall shortfall is part of a broader weather pattern unfolding across western India. Pune has recorded its driest first half of June since 1958, highlighting the scale of the current monsoon slowdown. The city, which typically receives regular pre-monsoon and early monsoon showers during this period, has experienced a significant rainfall deficit, raising concerns among residents and agricultural communities that depend on seasonal precipitation.
In contrast, Delhi has received scattered rainfall and thunderstorms over recent days. While these showers have offered temporary relief from intense summer heat, they have not marked the arrival of a sustained monsoon pattern in the national capital. Instead, residents continue to face fluctuating weather conditions, including high humidity and warm temperatures.
Meteorologists say such regional variations are common during the monsoon’s progression. Rainfall distribution across India often remains uneven during the early stages of the season, particularly when atmospheric conditions weaken the system’s forward movement. Experts are closely monitoring developments over the Arabian Sea and Bay of Bengal, as the emergence of stronger low-pressure systems could significantly improve rainfall activity across several states in the coming weeks.
The Logical Indian’s Perspective
The delayed monsoon in Mumbai and the historic dry spell in Pune underscore how dependent millions of people remain on seasonal weather patterns for water security, livelihoods and everyday well-being. While temporary pauses in monsoon activity are not unusual, increasingly erratic weather events and shifting rainfall patterns have drawn attention to the broader challenges posed by climate variability and changing environmental conditions.
For rapidly growing urban centres, prolonged dry spells followed by intense bursts of rainfall can strain infrastructure, disrupt daily life and complicate water management efforts. This makes accurate forecasting, climate-resilient planning and responsible use of natural resources more important than ever. As communities, scientists and policymakers work to better understand evolving weather patterns, public awareness and preparedness will also play a crucial role in reducing vulnerability to future climate-related disruptions.
With Mumbai awaiting sustained rainfall, Pune experiencing a record-breaking dry June, and other cities witnessing contrasting weather conditions, the current monsoon season serves as a reminder of the need for long-term resilience alongside short-term preparedness. How can Indian cities strengthen their ability to cope with increasingly unpredictable weather while ensuring that vulnerable communities are not left behind?
Advance of Southwest Monsoon 2026
— India Meteorological Department (@Indiametdept) June 16, 2026
❖ The Northern Limit of Monsoon continues to pass through 18°N/60°E, 18°N/65°E, 18°N/70°E, Harnai, Solapur, Hyderabad, Bhadrachalam, Koraput, Phulbani, Ranchi, Jamui, Muzaffarpur and 28.3°N/83°E.
❖ Conditions are favourable for further… pic.twitter.com/pDEGRzEo2f
