The monsoon typically hits the southern coast of Kerala around June 1st . From there, it sweeps northward, usually covering the whole country by mid-July.

By mid-July , the monsoon usually blankets the entire country.

From Kerala, the rains move northward in surges. According to the India Meteorological Department (IMD) , typical arrival dates include: Mumbai: June 10 Kolkata: June 7 Delhi: June 27–30