Corbett National Park remains open throughout the year for the visitors from Dhela/Jhrina / Sitabani & Phato Zones . Every year Bijarani zone get operational from Mid of October and The core area of the national park Dhikala zone get operational from 15th of Nov. The main reason for closure of the Garjiya, Bijarani and Dhikala zone during the monsoons most of the roads get washed away. Repair work starts after the rains end and it is only by October to November that roads to Bijrani and Dhikala are back in motorable condition. Get More Information on Season-Weather and Best time & month to visit Jim Corbett from Official Corbett National Park Webiste- corbettonline.uk.gov.in
Best Season - Weather & month to visit Jim Corbett: There are three well defined seasons to visit Jim Corbett
Winter Months: October to February - Days are clear and pleasant, Nights get cold. Great time for bird-watching and Tiger sighting.
Summer Months: March to June- Hot days with pleasant nights. Ideal time for sighting animals, especially elephants and Tigers.
Monsoon Month: July to August- Humid days and nights. Great time for walks and trekking. Because of less crowd and rush probability of sighting animals. Good for observing flora.
However Corbett National Park remains open throughout the year for visitors from Phato, Jhrina & Sitabani Zones but best time to visit Jim Corbett is from 15th November to 15th June because during this period of time all the tourism zones of Corbett are open for visitors and one can visit the entire national park area.