Geographical Background Of Rohtas District  

Formation of District   : 10th November 1972

Latitude                       : 24-30"to 25-20" (North)

Longitude                    : 83-14"to 83-20" (East)

Area                            : 3847.82 Sq. Km.

Heigh From Sea Level   : 107.78 Meters

Boundaries

North    : Bhojpur & Buxar Districts 

South    : Plamu & Garwah District 

EAST    : Aurangabad & Part of Gaya

District WEST : Kaimur District

GEORAPHIC DETAILS                 : Geographically, this district is divided in two parts i.e.
1. Hilly Area Comprise the plateau of Kaimur
2. Plain Area (Eastern side) Watered by the mighty current of river SONE

CLIMATIC CONDITION: The climate of the district is of moderately extreme type. It becomes quite hot during summer and fairly cool during the winter. January is the coldest month when the minimum temperature comes down to approximately 10 degree. Winter seasons starts form the month of November and last till February. The temperature begins to rise in March and it reaches the peak in the month of May when the mercury touches about 45 degree.

RAINFALL: Rain sets in sometime in June and last till middle of September. There after the humidity begins to fall. The direction of the easterly wind from June to September. From October the direction of the winds is reversed and westerly wind blows till May. This district gets the maximum rainfall in month of July and August. There is slight rainfall in October, but November and December are quite dry. Some winter rain occurs in January and February. Normal rainfall 975 mm and average rainfall 952 mm.