The climate of the district is mildly tropical in the northern and southern foothills, while in the central upland zone, the climate is temperate and places at medium altitude in the northern, western and southern parts of the district, experience sub-tropical climate.  

The district is influenced by the South- West monsoon and rainfall is assured during summer, but differs greatly in intensity from area to area within the district.  The average rainfall ranges from 1200 mm to 3000 mm per annum.