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When are the hottest and coolest months in Chennai?
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Tamil Nadu
Shore Temple, Mamallapuram, near Chennai, Tamil Nadu, India.
In Chennai, the climate is tropical and warm. The hottest months are May and June, during which maximum daily temperatures average approximately 100 °F (38 °C). The coolest months are December and January, when daily temperatures typically range from about 70 °F (21 °C) to the mid-80s F (about 30 °C).1