
Monsoon 2025 Advances Early: IMD Predicts Bay Entry by May 13, Kerala Onset by May 27
New Delhi, May 13, 2025 — The Southwest Monsoon (SWM) is expected to advance into the South Andaman Sea, Nicobar Islands, and parts of the southeast Bay of Bengal by May 13, 2025, according to the latest update from the India Meteorological Department (IMD). This signals an early arrival of the monsoon season, ahead of its normal schedule.
On May 10, the IMD had forecasted that the monsoon may begin over Kerala by May 27, which is four days earlier than the typical onset date of June 1. Earlier, on April 15, the agency had predicted that the 2025 monsoon season is likely to deliver above-normal to excess rainfall across the country.
The expected early movement of the monsoon is being supported by the development of a low-pressure area in the Bay of Bengal. While this system may or ma...