The Vandiyur Mariamman Teppakulam is a significant landmark in Madurai, Tamil Nadu, India, known for its splendid temple tank associated with the Meenakshi Amman Temple. The most ideal time to visit the Teppakulam is during the Thai Poosam festival, which usually falls in the Tamil month of Thai (January/February). During this time, the tank is spectacularly lit up with decorations and the temple celebrates the float festival or Teppotsavam. The weather during these months is also pleasant, with cooler temperatures that range from 20°C to 30°C, making it a comfortable time for visitors to explore the area and participate in the festivities.
However, if you are unable to make it during the festival, the period from October to March is generally considered the best time to visit Madurai due to the favorable weather conditions, as it is less hot compared to the scorching summer months. During this period, the temperature is moderate, and it's an excellent time to enjoy sightseeing and other outdoor activities around the temple city. It's also important to check the water level at the Teppakulam before planning your visit, as the tank may be dry outside of the monsoon and festival seasons.