Tamil Nadu's Rainfall Rollercoaster: From Record Highs to Deficits

Tamil Nadu ended the 2025 northeast monsoon season with a slight rainfall deficit, despite Tirunelveli district experiencing a 95% increase. Overall, the state received 42.72 cm against a normal 44.12 cm. Other districts showed varied results, with some receiving significantly more and others, including Chengalpet, facing notable shortfalls.

Tamil Nadu closed the books on the 2025 northeast monsoon with a modest 3% rainfall deficit, though Tirunelveli district reported a staggering 95% increase in precipitation, according to B Amudha, Director of the Regional Meteorological Centre.

Overall, the state received 42.72 cm of rain, only slightly below the normal 44.12 cm mark, classifying it as a 'normal' season with fluctuations falling within the ±19% range.

District-wise, the India Meteorological Department highlighted Tirunelveli's impressive growth, with 100.5 cm of rainfall—double its usual 51.4 cm. Despite anomalies in districts like Chengalpet with a 35% deficit, others such as Virudhunagar observed surpluses ranging from 15% to 39%.

(With inputs from agencies.)