Dimapur enjoys a special status because of its unique location. It is the only town of the state, situated on the plain area having excellent road, rail, and air links with various part of the country. Dimapur was upgraded as a district on January 24th 2004.

Dimapur lies between 25º54'30' 'North Latitude and 93º44'15'' East Longitude. It is located on the Western part of Nagaland bordering Assam’s Karbi-Anglong district. It occupies an area of 18.13 sq. km. i.e.3.45 km. from North to South and 6.30 kms. from East to West.7 The area of the town was only 0.41 sq. km. in 1961, which increased to 15.90 sq. km. in 1971, and 18.13 sq. km. in 1981. It is expected to have increased much further by now according to its ever-expanding nature. This indicates the necessity of planning for a city. It is bounded by Lengirijan rivulet and Karbi-Anglong Hills on the North, and by Highlands on the South. On the East, the boundary throughout is formed by the river Dhansiri and on the West; the town area merges with the hills and the Reserved Forest.

Dimapur has practically two seasons; Dry Season (Oct.-May) and Wet Season (June-Sept). Dry season may be sub-divided into Hot and Cold weathers. Hot weather begins from March whereas Cold weather begins from November. May remains the hottest month where the mercury shots up to 40º C. South West Monsoon becomes active by the 2nd week of June normally, while heaviest rainfall occurs during the months of July and August. There is no Meteorological office at Dimapur to report the latest samples of climatic changes, however, we have a record of one year sample, collected by Agriculture Department, Government of Nagaland, Kohima, for the year 1976 that shows the following;

Rainfall : 128.8cms
No rain days : 91 days
Maximum Temperature : 30.05ºC
Minimum Temperature : 12.10ºC
Relative Humidity : 73%