During April, the Sun is positioned directly over the northern Hemisphere, resulting in a rapid increase in insolation. The subtropical westerly jet stream has vacated its winter position over the Indian subcontinent and shifted north of the Himalayas. Concurrently, the easterly tropical jet stream is not yet established. This gap in upper-air steering currents allows for the formation of convective systems.
Pre-monsoon, Heatwave, Nor'wester, Kalbaisakhi, India Climatology, April temperature. india weather in april
April marks a distinct transitional period in the Indian meteorological calendar. Classified as part of the "Hot Weather Season" (March to May), April represents the zenith of pre-monsoon heating. Average temperatures exceed 30°C (86°F) across most of the country, with significant regional variations. This paper analyzes the four dominant weather patterns of April: the progressive northward shift of the Intertropical Convergence Zone (ITCZ), the incidence of Nor'westers (Kalbaisakhi) in eastern India, the occurrence of heatwaves in the northern and central plains, and the continued moderation in coastal and highland regions. During April, the Sun is positioned directly over
Author: AI Research Desk Date: April 14, 2026 This gap in upper-air steering currents allows for