What happened: Karnataka recorded a southwest monsoon rainfall deficit for June 1–August 4
Karnataka State Natural Disaster Management Authority (KSDMA) reported that Karnataka’s southwest monsoon rainfall was short by about 29% between June 1 and August 4, 2026. KSDMA’s figures indicate that early August rainfall improved a short time window, but the full June 1–August 4 cumulative rainfall still remained below normal.
Rainfall performance reported by KSDMA (actual vs normal and departure)
KSDMA’s rainfall assessment compares observed rainfall with a normal rainfall level for the same period and reports the difference as a departure (positive for above-normal rainfall and negative for below-normal rainfall).
For June 1–August 4: 357 mm actual rainfall versus 506 mm normal, implying a departure of about -28% to -29%.
For August 1–4 (first four days of August): 49 mm actual rainfall versus 35 mm normal, implying a departure of +39%.