A large part of the state being on the coastal edge of the country, the weather is tropical and sultry for most part of the year. The summer months of April, May, June are hottest where temperature ranges to 40 degrees.
December and January are the peak months for Chennai. The temp ranges from 20-22 degrees. To avoid peak rush October is better. The weather in these months is pleasant and easy to bear the humidity.
Pine Forests, Moir Point: These places are nice to spend leisurely time in peace far from the crowd.
Bear Shola Falls: An ideal picnic spot located 1.6-km from the lake, which can be by a picturesque, rugged hill path. Bears once used to drink water above the falls. To reach this place, cross the lake bund, pass the Telephone exchange on your right, and at the junction take the lower road past Clifton Hotel. The approach is rugged hill path. The falls are at the best in rainy season.
Kukkal caves (40 Km/25 mile) and Dolmen's Circle (22 Km/14 mile) are famous pre-historic, archaeological sites.
Dolphin's Nose ( 8 Km/ 5 mile), a projecting rock provides a view of the deep chasm below. Climb 2400 meter high Perumal Peak. And you'll be rewarded with one of the most wonderful views in around Kodaikkanal.
Berijam Lake: 21 km. from Kodaikanal in TamilNadu nesting in the midst of a thick wood, is an ideal picnic spot and campsite. Berijam is the most beautiful lake in all of South India. Originally discovered by the British & Spanish people, this place was a swamp 80 -100 years ago. It has been converted into a lake with catchments areas around the lake. The lake itself is situated at a very high altitude, just a couple of hundred feet below Kodaikanal. The lake has very pure water and is the main source of water for the town, Periyakulam, which is situated, in the valley below Kodaikanal. Berijam Lake lies in a beautiful valley, reflecting the glory of the specious in its fresh waters. Once the habitat of cavemen, it is now a favourite campsite, and ideal locale for trekking.
Berijam, dotted with dense pine and acacia trees, is a quiet spot like an outpost. From here you can trek up to Kavunji, which is a laid-back village.To have a glimpse of the waterfalls and scenic beauty, trek further up to Polur. Berijam is the last point you can travel by car or any other four-wheeler. There are two roads from Berijam; one goes to Munnar and the other to a small village called Kavunji. Since both the roads are blocked for traffic, they are just perfect for trekking.
Forest laws protect Berijam Lake and the immensely beautiful forest. Tourists need special permission from the forest office, in Kodaikanal, to go there. It is better to be an early bird to get the permission, as the forest office closes by 11:30 am. Tourists are allowed to stay in Berijam till the evening. However, persuasive trekkers get to stay overnight in Berijam at a dormitory which can serve as a base for trekking. Carry a sleeping bag, drinking water, warm clothes, medicines and any food supplies for an emergency.