Mannargudi experiences a warm climate throughout the year, with temperatures rarely dipping below 20°C. The winter months of January and February are mild, with average highs around 26-28°C, while March marks the beginning of a gradual increase in temperature, reaching up to 38°C by April. Summer months from May to July bring moderate heat, with June being the hottest month on record, followed by a slight drop in August and September. Autumn months of October and November see temperatures stabilizing around 28-30°C before dropping again during winter, which remains relatively cool with highs around 26-27°C.