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Northeast Monsoon Rainfall in Tamil Nadu Below Normal by 3%: IMD Chennai

Posted on: 30/Dec/2025 3:21:06 PM

The India Meteorological Department – Chennai has reported that Northeast Monsoon rainfall in Tamil Nadu is 3% below normal up to today.

The Northeast Monsoon season, which runs from October to December, is nearing its end this month. Since its onset in October, the monsoon has brought widespread rainfall across several parts of Tamil Nadu, though overall figures remain slightly below average.

Tamil Nadu Rainfall Status

Normal rainfall: 440 mm

Actual rainfall till date: 427 mm

Deviation: 3% below normal

Chennai Rainfall Status

Normal rainfall: 807 mm

Actual rainfall till date: 725 mm

Deviation: 10% below normal

Despite the shortfall, officials noted that rainfall distribution was fairly widespread across the state, helping maintain water levels in many regions. However, meteorologists continue to monitor weather patterns closely as the monsoon season concludes.