weather in chennai

it is good to know the weather in chennai if you are planning a trip to the city, otherwise Chennai has a tropical climate, specifically a tropical wet and dry climate. The city lies on the thermal equator and is also on the coast, which prevents extreme variation in seasonal temperature. The weather is hot and humid for most of the year. The hottest part of the year is late May to early June, known locally as Agni Nakshatram (“fire star”) or as Kathiri Veyyil, with maximum temperatures around 38–42 °C (100–108 °F). The coolest part of the year is January, with minimum temperatures around 18–20 °C (64–68 °F). The lowest temperature recorded is 15.8 °C (60.4 °F) and highest 45 °C (113 °F) The average annual rainfall is about 1,300 mm (51 in). The city gets most of its seasonal rainfall from the north-east monsoon winds, from mid-October to mid-December. Cyclones in the Bay of Bengal sometimes hit the city. The highest annual rainfall recorded is 2,570 mm (101 in) in 2005. Prevailing winds in Chennai are usually southwesterly between April and October  and northeasterly during the rest of the year.