Karachi recorded an unusual spell of rain in April, with 38.7 millimeters falling within 24 hours, according to the Pakistan Meteorological Department.
This is the highest single day rainfall for April in the past 41 years, breaking the earlier record of 37 millimeters set on April 2, 1985.
The department also noted that the average temperature in Karachi during April is around 21.8°C. However, temperatures dropped sharply overnight, with the minimum reaching 16°C, which is 5.8°C below the normal average.
Officials say this kind of weather shows how unpredictable rainfall patterns are becoming, raising concerns about urban flooding and its impact on the city.
The heavy rain started on Thursday morning and continued through the night into Friday, disrupting daily life across Karachi. Intermittent showers caused flooding in low lying areas, with Safoora Chowrangi and Hassan Square among the worst affected.
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Major roads were submerged, leaving commuters stuck in traffic for hours. Power supply was also affected as several feeders tripped, causing outages in different parts of the city.
Rainfall data shared by the Pakistan Meteorological Department showed Nazimabad received the highest amount at 97.4mm. Other areas that saw heavy rain included Keamari with 76mm and Surjani Town with 67mm. DHA, Orangi Town, and Jinnah Terminal also recorded significant rainfall.
The rain system also impacted other parts of Sindh. Mohenjo Daro received 50mm of rain, while Jacobabad, Dadu, and Hyderabad also reported considerable rainfall.