Kerala ends the southwest monsoon with a 28 per cent rainfall deficit

3 October 2026

Kerala received 1,446.5 mm of rain against an expected 2,018.6 mm in the four months from 1 June to 30 September 2026, 28 per cent below normal.
IMD data rank 2026 as the seventh year with the lowest rainfall in the State in the 125 years since 1901.
Wayanad had a 53 per cent deficit and Idukki 47 per cent; Kollam recorded 38 per cent.
The weather department expects the northeast monsoon, locally called Thulavarsham, to be normal.
Yellow alerts for isolated heavy rain are in force for several districts from 3 to 6 October.