Umuahia South is a Local Government Area of Abia State, Nigeria. Its headquarters is at Apumiri in Ubakala.
It has an area of 140 km2 and a population of 138,570 at the 2006 census.
The postal code of the area is 440.
Climate
Umuahia has a Tropical monsoon climate (Classification: Am) and is zero meters (no feet) above sea level. The district’s average annual temperature is -0.88% lower than Nigeria’s averages at 28.58°C (83.44°F). Approximately 273.49 millimeters (10.77 inches) of precipitation and 263.52 rainy days (72.2%) are usual for Umuahia each year.