Tiruvottiyur experiences a subtropical climate with distinct seasonal variations. Winters are mild, with temperatures ranging from 19-32°C, making it the coolest period of the year. As spring sets in, temperatures rise steadily, reaching highs of up to 40°C by April and May. The summer months of June to September see temperatures consistently above 30°C, while autumn brings a slight respite with temperatures dropping to around 24-36°C. During winter again, temperatures dip slightly, ranging from 19-33°C.