Multiple choice Why does Tamil Nadu remains dry during the south-west monsoon? Lack of mountains Due to opposite direction of wind Lack of trees It lies in the rain shadow area Reveal answer Fill a bubble to check yourself D Correct answer Explanation Tamil Nadu lies in the rain shadow area of the Western Ghats during the southwest monsoon (June-September). The moisture-laden winds shed most of their rainfall on the western side (Kerala), leaving Tamil Nadu relatively dry.