In a remarkable weather development, Delhi Rainfall 2025 broke all previous records as the capital experienced its wettest May in Delhi since rainfall tracking began in 1901. The India Meteorological Department (IMD) reported a staggering 186.4 mm of rainfall in May, which is over six times the monthly average of 30.7 mm.
This article uncovers the details behind this historic weather anomaly, its causes, its wide-reaching effects on daily life and infrastructure, and what it could signify in the face of climate change.
Delhi Weather Records Shattered in May 2025
Delhi saw unseasonal and intense rains throughout May 2025. On May 25th alone, the city received over 81 mm of rain in a 24-hour span — making it one of the wettest single days in May ever.
Key Stats on Delhi Rainfall 2025:
- Total Rainfall (May 2025): 186.4 mm
- Previous Record (May 2008): 165 mm
- Average May Rainfall: 30.7 mm
- Second Highest 24-Hour May Rainfall: 81.4 mm on May 25
These Delhi weather records point to an extreme and highly unusual rainfall pattern that has taken citizens and climate scientists alike by surprise.
What Caused the Wettest May in Delhi?
Meteorological experts have identified three primary reasons for this abnormal weather in May:
- Increased Western Disturbances – Frequent and more intense western disturbances from the Mediterranean played a significant role in pushing moist air into northern India, leading to sustained rainfall in Delhi.
- Cyclonic Circulations – Low-pressure systems and cyclonic circulations over North India amplified the cloud formation and caused widespread thunderstorms and downpours.
- Rising Heat and Humidity – The combination of record high surface temperatures with elevated moisture levels created a volatile atmospheric environment, perfect for storm development.
Impact of the Heavy Rains on Delhi’s Infrastructure
The Delhi rainfall 2025 brought the city to a near standstill on multiple days:
- Waterlogging: Several key roads, residential colonies, and underpasses were submerged, disrupting traffic and public transport.
- Flight Diversions: More than 49 flights were diverted from IGI Airport on May 25 due to visibility issues and water accumulation.
- Terminal Damage: A portion of Terminal 1’s canopy collapsed due to excessive water weight.
- Power Outages & Property Damage: Strong winds and heavy showers uprooted trees and poles in areas like South Delhi and Dwarka.
Delhi Rainfall 2025 and the Bigger Climate Picture
Climatologists are concerned that Delhi’s wettest May ever could be a signal of long-term climate shifts. This pattern aligns with broader global phenomena like:
- Climate change-related disruptions in regional monsoon cycles.
- Urban heat islands intensifying rainstorm intensity.
- Inadequate drainage infrastructure, causing prolonged water stagnation.
If such weather becomes more frequent, Delhi may need urgent adaptation strategies, including smarter urban planning, investment in weather prediction systems, and sustainable infrastructure upgrades.
Latest Government Response
The Delhi government has called for a review of the city’s drainage systems and disaster readiness, especially in airport zones and flood-prone localities. The IMD has been asked to issue more accurate short-term forecasts as citizens demand better early-warning mechanisms.
Sources: IMD Official Website
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