The best season to visit Theni is during the winter season. Winter season in this place extends from October all the way to February. The average temperature during this time is 25°C. Though the monsoon season is pleasant to plan a trip, it is advisable to travel in the winter season.
The summer season sets in Theni from March and continues to show its scorching heat till May. During this time, the temperature ranges from 29°C to 40°C. This is obviously not a good time to plan a trip to Theni. But if you are keen on visiting, do carry light cotton clothes and sun screen crèmes.
Monsoon brings down the heat with its turbulent rainfalls. This season starts in June and continues till August. This is the best season to season Theni as the temperature remains cool and pleasant. Moreover, you will enjoy seeing the dams and waterfalls gushing out. And yes, do carry an umbrella.
Theni has long winter season that sets in the month of October and continues till February. During this time, the temperature ranges between 20°C and 29°C and never rises above 29°C. The weather remains very pleasant for sight-seeing and other activities. This is indeed a good time of year to visit Theni.