The city lies at the southern tip of the southern Kabiye mountain range. Kara is at an altitude of about 400 meters. The
Kara River runs through the center of the city. The city lies on the crossroads of two trade routes, the main north-south road from
Ouagadougou to
Lomé, and the east-west road from
Bassar to
Djougou and
Parakou in
Benin.
Climate {{Weather box | width = auto | metric first = yes | single line = yes | location = Kara (1991–2020) | Jan high C = 35.5 | Feb high C = 37.4 | Mar high C = 38.0 | Apr high C = 36.3 | May high C = 34.1 | Jun high C = 32.1 | Jul high C = 30.3 | Aug high C = 29.7 | Sep high C = 31.1 | Oct high C = 33.2 | Nov high C = 35.4 | Dec high C = 35.5 | year high C = 34.0 | Jan mean C = 26.8 | Feb mean C = 29.1 | Mar mean C = 30.8 | Apr mean C = 30.0 | May mean C = 28.8 | Jun mean C = 27.1 | Jul mean C = 26.1 | Aug mean C = 25.6 | Sep mean C = 25.9 | Oct mean C = 27.1 | Nov mean C = 27.1 | Dec mean C = 26.9 | year mean C = 27.6 | Jan low C = 18.7 | Feb low C = 21.4 | Mar low C = 23.6 | Apr low C = 24.1 | May low C = 23.5 | Jun low C = 22.0 | Jul low C = 21.8 | Aug low C = 21.5 | Sep low C = 21.1 | Oct low C = 21.1 | Nov low C = 18.9 | Dec low C = 18.3 | year low C = 21.3 | precipitation colour = green | Jan precipitation mm = 3.2 | Feb precipitation mm = 7.7 | Mar precipitation mm = 30.4 | Apr precipitation mm = 77.1 | May precipitation mm = 126.9 | Jun precipitation mm = 181.2 | Jul precipitation mm = 203.1 | Aug precipitation mm = 261.2 | Sep precipitation mm = 257.4 | Oct precipitation mm = 135.6 | Nov precipitation mm = 15.1 | Dec precipitation mm = 0.8 | year precipitation mm = 1299.7 | unit precipitation days = 1.0 mm | Jan precipitation days = 0.2 | Feb precipitation days = 0.9 | Mar precipitation days = 3.6 | Apr precipitation days = 8.3 | May precipitation days = 12.6 | Jun precipitation days = 14.0 | Jul precipitation days = 18.5 | Aug precipitation days = 19.2 | Sep precipitation days = 20.8 | Oct precipitation days = 12.0 | Nov precipitation days = 1.9 | Dec precipitation days = 0.2 | year precipitation days = 112.2 | source =
NOAA ==Economy==