Southwest monsoon likely to set in over Kerala on June 4, says IMD

The southwest monsoon is expected to set in over Kerala around June 4, said the India Meteorological Department on Tuesday.

The weather agency had earlier predicted that the monsoon would arrive in Kerala by May 26. However, it acknowledged on May 29 that the monsoon was unlikely to set in over the state within the four-day window around that date, The Hindu reported.

“Conditions are favourable for further advance of southwest monsoon into some more parts of southwest and southeast Arabian Sea, Lakshadweep Islands, some parts of Kerala and Tamil Nadu, some more parts of southwest, westcentral, eastcentral and northeast Bay of Bengal, and remaining parts of southeast Bay of Bengal around 4th June,” the IMD said on Tuesday.

The agency added that isolated heavy to very heavy rainfall between 7 and 20 centimetres was very likely over Kerala in the next six to seven days. Isolated parts of Tamil Nadu and Karnataka are also expected to receive heavy rains during this period.

In 2025, the southwest monsoon set in over Kerala on May 24, which was its earliest arrival since 2009.

In April, the IMD predicted below-normal rainfall of 92% during this year’s southwest monsoon season. This was the first time in 11 years that a shortfall in rainfall was forecast.

On May 29, the agency revised its prediction downwards to 90% of the...

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