MtoaMtoa is an administrative ward in the Iramba District of the Singida Region of Tanzania. In 2016 the Tanzania National Bureau of Statistics report there were 21,643 people in the ward, from 19,724 in 2012.ClimatologyMtoa is located in the Aw (Savannah) Köppen climate classification. The average temperature does not go below freezing, and can see temperatures into the 100s in the spring months.EtymologyMtoa is a Swahili word that means giver or provider. It stems from the Swahili root -toa.