Chennai climate mainly comprises monsoon, summer and winter.The temperature during the seasons does not differ much from each other. In summer, the weather of Chennai becomes extremely hot.The hottest months are April and May. The summer months in Chennai continues from March to October.
Monsoon in Chennai arrives in June and prevails till September. During this period, Chennai experiences heavy rain fall. The northeast monsoon winds are responsible for the rainfalls in Chennai.
Madras weather turns out to be most pleasurable during the winter months. The temperature in this time varies between 24°C to 20°C. Moderate rainfalls make the weather of Chennai city more enjoyable during this time. Winter is also the best time to visit the capital of Tamil Nadu.