The southwest monsoon reached Mumbai on Sunday, two days earlier than usual after making an early onset over Kerala and northeastern region on May 30, according to the India Meteorological Department (IMD). Last year, the primary rain-bearing system reached Delhi and Mumbai together on June 25, the first time since June 21, 1961, with Cyclone Biparjoy impacting its progress over southern India and the adjoining western and central parts of the country. Normally, the monsoon reaches Kerala by June 1, Mumbai by June 11, and the national capital by June 27. On May 15, the weather office had announced the onset of monsoon over Kerala by May 31.