Pleasant weather with temperatures between 20-30°C. Ideal for temple exploration and cultural experiences. Accommodation prices increase by 30-40% during this period and festivals.
Occasional rainfall brings lush landscapes. Lower tourist numbers except at hill stations which experience peak crowds. Prices typically 20-30% lower in coastal areas.
Summer heat with temperatures reaching 35-40°C along the coast and plains. Hill stations offer pleasant respite. Accommodation prices drop by 25-35% in most areas except hill stations.
Tamil is the primary language; English understood in tourist areas and by educated population; simple Tamil greetings like "Vanakkam" appreciated; French occasionally spoken in Pondicherry.
Tamil Nadu experiences a tropical climate with minimal temperature variations throughout the year. Coastal regions (Chennai, Pondicherry, Mahabalipuram) remain warm and humid year-round with temperatures ranging from 25-35°C. The plains (Madurai, Thanjavur) experience hot summers (March-May) with temperatures reaching 35-40°C. Hill stations (Ooty, Kodaikanal) offer pleasant conditions (15-25°C) year-round. The state receives rainfall primarily during the northeast monsoon (October-December), while the western parts benefit from the southwest monsoon (June-September). Pondicherry shares similar coastal climate patterns with high humidity throughout the year.