Jhunjhunu, the north-eastern boundary district of the Great Indian Desert has predominance of arid climate with uncertainty of rainfall and frequent occurrence of drought. However, despite having extreme climatic conditions, the Beer Jhunjhunu Conservation Reserve is important in terms of biological diversity.
It is a protected forest area situated in the east of Jhunjhunu city at the height above 320 meters from sea level. It is surrounded by village Desusar in the north; Samaspur in the south; Charanwas in the east and agriculture land adjoining the Jhunjhunu city in the west.
The area is almost plain with a semi-arid climate. Temperature is very high in summer and may reach upto 48 C and in winter, it drops below freezing point. May and June are the hottest months. Average annual rainfall varies from 300-400 mm. Most of the rainfall is received during monsoon (July-September) period. After rains, the forest is luxuriant in vegetation and enriched with many medicinal, rare, endemic and threatened plants.
The area is famous for rich flora, wild animals including Hare, Hedge-hog, Resident & Migratory Birds, natural surroundings and Baba Khetanath Aashram. A beautiful pond is situated behind the ashram which is known as feeding spot of migratory birds.