Chennai has a dry-summer tropical wet and dry climate under the (Köppen climate classification). The city lies on the thermal equator[110] and is also on the coast, which prevents extreme variation in seasonal temperature. The hottest part of the year is late May to early June, known regionally as Agni Nakshatram ("fire star") or as Kathiri Veyyil,[111] with maximum temperatures around 35–40 °C (95–104 °F).