Karimanal, India offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Karimanal, Tamil Nadu, India, is known for its proximity to the Kalpakkam Nuclear Power Plant and the scenic beauty of the Bay of Bengal coastline. The best time to travel to Karimanal, India, is from November to February, when the average air temperature is around 25°C (77°F) and the water temperature is approximately 28°C (82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!