During the summer season, the mean daily maximum temperature is 36.5 °C, and the mean daily minimum is 20.2 °C.The atmosphere is highly humid except from February to May, when relative humidity is around 50 to 70 percent. Average annual rainfall in the district is 3,201 mm.
Cooch Behar is home to a number of district-level and divisional-level offices and has a large government-employee workforce.
Business is mainly centred on retail goods; the main centres lie on B. Road, Rupnarayan Road, Keshab Road and at Bhawaniganj Bazar.
Nara Narayan's younger brother, Shukladhwaj (Chilarai), was a noted military general who undertook expeditions to expand the kingdom. After Chilarai's death, his son Raghudev became governor of this portion.
Since Nara Narayan did not have a son, Raghudev was seen as the heir apparent.
During the British Raj, Cooch Behar was the seat of the princely state of Koch Bihar, ruled by the Koch dynasty.
After 20 August 1949, Cooch Behar District was transformed from a princely state to its present status, with the town of Cooch Behar as its headquarters.
Koch Behar aligned itself with the Mughal Empire and finally joined the India as a part of the West Bengal, whereas remnants of the Koch Hajo rulers aligned themselves with the Ahom kingdom and the region became a part of Assam.
As the early capital of the Koch Kingdom, Cooch Behar's location was not static and became stable only when shifted to Cooch Behar town.
Five distinct seasons (summer, monsoons, autumn, winter and spring) can be observed in Cooch Behar, of which summer, monsoons and winter are more prominent.
Cooch Behar has a moderate climate characterised by heavy rainfall during the monsoons and slight rainfall from October to mid-November.
The kingdom ruled by the son of Nara Narayan, Lakshmi Narayan, came to be known as Cooch Behar.