Tiruttani experiences a warm and humid climate throughout the year, with temperatures steadily rising from March to June before gradually decreasing. The summer months of April and May are particularly hot, with temperatures often reaching as high as 43°C. The monsoon season brings some relief in July and August, but temperatures remain relatively consistent. Autumn is mild and pleasant, with temperatures ranging from 18-33°C during the day. Winters are cool and dry, with temperatures averaging around 26°C throughout the year, making it a tolerable time to visit Tiruttani.