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Nanjil Nadu · Eastern Coastal Plains

भूभाग और पारिस्थितिक अंचल

Tropical, and the only part of Tamil Nadu that gets a full share of both monsoons. The southwest monsoon reaches it from June because the Aralvaimozhi gap and the low southern Ghats let the wind through rather than blocking it, and the northeast monsoon returns from October. Annual rainfall runs from roughly 1,000 mm at the dry eastern tip to well over 3,000 mm on the Agasthyamalai slope — an enormous gradient across sixty kilometres.

भू-आकृतियाँ

The southern termination of the Western Ghats, ending in isolated hills rather than a continuous crestAralvaimozhi (Aramboli) gap — the wind pass through which the monsoon crosses to the eastern plainCanal-irrigated nanjai wetland across the Nagercoil plainLaterite and red-soil punjai midland carrying rubber, tapioca and cloveRocky headlands and pocket beaches at Muttom, Colachel and VattakottaiManakudy estuary and the mineral-sand beaches at Manavalakurichi

नदियाँ और जलाशय

Kodayar — the main irrigation source, impounded at Pechiparai and PerunchaniParalayar, feeding the Perunchani reservoir and the Thirparappu fallsPazhayar, reaching the sea at the Manakudy estuaryValliyar and Thamirabarani, the short western-flowing streams of Kalkulam and VilavancodeThovalai, Puthen and Anandanar canals — the distribution network the paddy plain runs on

साल भर

मौसममहीनेसामान्यकैसा रहता है
Southwest monsoonJune–September25–33 °CWind and rain through the Aralvaimozhi gap, hard enough at the eastern tip to strip a beach. The wind farms run at their highest output in these months.
Northeast monsoonOctober–December24–32 °CThe heavier of the two on the eastern side. The reservoirs fill here, and the kodai festival season that follows depends on them having done so.
Winter and the dry monthsJanuary–March22–33 °CClear and mild, and the best time on the coast. Pongal, Chitra Pournami and the Mandaikadu festival fall through this stretch.
SummerApril–May27–37 °CHot inland, tempered on both coasts. Tapioca is lifted, sliced and sun-dried in this window because it is the only reliably rainless one.

घूमने का सबसे अच्छा समयOctober to March. Kanyakumari itself is best in the two or three days around a full moon in April, when sunset over one sea and moonrise over another can be seen from the same rock. The southwest monsoon months are worth it only if the point is to see how much wind actually comes through the gap.

Nanjil Nadu की जलवायु, भू-आकृतियाँ, नदियाँ और मौसम, और घूमने के लिए साल का सबसे अच्छा समय। (4)