There are three well defined seasons in the winter season which lasts from November to February, the summer season which lasts from March to June, and the rainy season which covers the rest of the month. The summer rains cause flooding in the park. The temperature in the Winters can go down to 4 degrees centigrade at night and the entire jungle is dry in the summer months as the temperature goes up to 44 degrees centigrade. The annual rainfall in the park ranges between 1400mm and 2800mm.
Flora and fauna
Flora: There are almost 488 different types of species of plants in the park; some of the main species found here are Bel, Chbilla, Dhak, Bakli, Pula, Bamboo,Semal, Khingan, Sal, Khair, Sissoo, Ber, Kuthber, Kharpat, Rohini.
Fauna: This Park has almost 33 different species of reptiles, 7 different species of amphibians, around 7 different species of fish and 37 different species of dragonflies.
The park was originally named the Hailey National Park after Governor Hailey and was created on August 6th 1936. It was India's first National Park. After independence, the park was renamed, this time after the Ramganga River, and was hence called the Ramganga National Park. The park was renamed again in 1957. It was named after James E. Corbett who helped to set up the park and spent most of his life in the area.
The area of the park was increased in 1991 when the Sonanadi Wildlife Sanctuary was added to the park.