Tenkasi experiences a warm climate year-round, with temperatures rarely dipping below 19°C or rising above 36°C. The winter months of January and December are slightly cooler, averaging around 28°C, while the summer months of April to June are equally warm. The hottest period is from March to May, with temperatures steadily increasing throughout this time. The monsoon season brings slight respite in temperatures during July to September, but they remain relatively consistent at an average of 28°C. As autumn approaches, temperatures gradually decrease by a few degrees, returning to winter-like conditions by December.