Monsoon winds arrive in Delhi by either the end of June or the first week of July. The arrival of moisture laden South-Western winds, traveling from the Arabian Sea marks the onset of the humid season in Delhi. This season is marked by high levels of humidity and high heat.
Delhi experiences monsoon winds typically by mid-June or early July. The onset of these warm, humid winds from the Arabian Sea heralds the start of a hot and humid period in the city.