Bengaluru records major monsoon rainfall deficit, IMD data shows
Bengaluru’s city weather station recorded 313 millimetres of southwest monsoon rain between June 1 and September 30, a deficit of 236 millimetres from normal levels, according to India Meteorological Department data. Karnataka overall recorded 32% less rainfall than normal, with IMD officials attributing the shortfall to strong El Niño conditions.
Bengaluru recorded a substantial southwest monsoon rainfall deficit between June 1 and September 30, despite heavy rain in the city during the final days of the season, according to India Meteorological Department data. The Bengaluru city station recorded 313 millimetres of rain during the period, with a departure of minus 236 millimetres from normal. The figure prompted a weather-focused post describing it as the city’s driest southwest monsoon in two decades, although the source material attributes that comparison to an X account rather than directly to the IMD.
The city’s other stations recorded different totals. The HAL station received 434 millimetres, with a deficit of 29 millimetres, while Kempegowda International Airport recorded 391 millimetres. A deficit figure for the airport was not available in the data cited.
Karnataka received 564.6 millimetres of rainfall against a normal 831.8 millimetres, representing a 32% shortfall. Bengaluru Urban district recorded 258.7 millimetres compared with a normal 452.4 millimetres, a deficit of 43%. Among the districts listed, Bengaluru South recorded the largest deficit at 87%.
Kalaburagi and Hassan followed with shortfalls of 55% and 53% respectively. The state’s three meteorological subdivisions also recorded below-normal rainfall. Coastal Karnataka received 2,228.3 millimetres against a normal 3,093.9 millimetres, while North Interior Karnataka received 329.8 millimetres against 480.8 millimetres.
South Interior Karnataka recorded 433.7 millimetres compared with 678.4 millimetres normally. IMD scientist C.S. Patil attributed the deficit to strong El Niño conditions, which he said delayed the southwest monsoon’s onset in Karnataka.
The material does not provide a forecast for the state’s subsequent rainfall or details of the effects on agriculture and water supplies.
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