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
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).
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).
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.
Current Weather at Chennai's International Airport