Published 27 Oct 2026 Last verified 27 Oct 2026
Plan ahead Info

Northeast monsoon has begun in the south; IMD sees normal Oct–Dec rain there, below normal elsewhere

IMD declared the southwest monsoon fully withdrawn on 15 October and northeast monsoon rain under way over Tamil Nadu, Kerala, coastal Andhra and south Karnataka.

1 MIN READ · INSIGHTS DESK
India Meteorological Department15 Oct 2026 NOTICE Press release: southwest monsoon withdrawn, northeast monsoon begins, 15 Oct 2026 Official copyRead it › INFO
WHAT CHANGED On 15 October 2026 the India Meteorological Department said the southwest monsoon had withdrawn from the entire country, and that northeast monsoon rainfall had begun over Tamil Nadu, Puducherry & Karaikal, Coastal Andhra Pradesh, Rayalaseema, South Interior Karnataka, and Kerala & Mahe.
WHO IS AFFECTED ResidentialCommercialFood plant
BY WHEN No fixed date Nothing to count down to.
DO THIS NOW 1South India: keep anti-larval and rodent visits on the schedule through December2Offer housing societies and campuses a post-rain source-reduction round
Is this about my business?

01What changed

On 15 October 2026 the India Meteorological Department said the southwest monsoon had withdrawn from the entire country, and that northeast monsoon rainfall had begun over Tamil Nadu, Puducherry & Karaikal, Coastal Andhra Pradesh, Rayalaseema, South Interior Karnataka, and Kerala & Mahe. In its 30 September outlook, IMD said October-to-December rainfall over South Peninsular India is most likely to be normal (88–112% of the long period average), while most other parts of the country are expected to get below-normal rain.

02Why it matters

Rain in the south through November and December keeps mosquito breeding and rodent movement high there, so vector and rodent work stays in season longer. In much of north and central India a drier, warmer autumn shifts work indoors: cockroaches, rodents and stored-product pests.

 There is time. Put it on this month’s plan.

03What to do now

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JOB CARD · MONSOON-WITHDRAWNNortheast monsoon has begun in the south; IMD sees normal Oct–Dec rain there, below normal elsewhere 0/3
South India: keep anti-larval and rodent visits on the schedule through December
Offer housing societies and campuses a post-rain source-reduction round
North and central India: plan indoor cockroach and rodent drives for the winter months
0 of 3 steps done Send card to my team
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04Read the source

Read the document itself before you act. Our summary is no substitute for it.
India Meteorological Department15 Oct 2026 ✓ Official Press release: southwest monsoon withdrawn, northeast monsoon begins, 15 Oct 2026 Open official document
India Meteorological Department30 Sept 2026 ✓ Official Seasonal outlook for the post-monsoon season 2026, 30 Sep 2026 Open official document

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