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Britannica Sources used in this answer

When do the southwest and northeast monsoons bring rain to Keralam?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.
Map of southern India highlighting the state of Keralam in orange along the southwestern coast, with its capital Thiruvananthapuram labeled. Surrounding countries and major bodies of water, including the Arabian Sea and Indian Ocean, are also shown for regional context.
Keralam

Keralam experiences a tropical climate characterized by two distinct monsoon periods:

  • Southwest Monsoon: As one of the first regions in India to be affected, Keralam receives heavy rainfall from this monsoon from early June through September.12
  • Northeast Monsoon: Often referred to as the reverse monsoon, this brings additional showers to the state during October and November.12

These seasonal rains are heavily influenced by the Western Ghats, which intercept the winds and force their uplift, contributing to an average annual precipitation of approximately 115 inches (3,000 mm).2