Average rainfall and temperature
The South West area of Tanzania where Ruaha is located has the lowest rainfall in Tanzania. June to December are the driest months with the focus of wildlife viewing around the drying rivers and permanent waterholes.
The averagerainfall varies from 800mm per year above the escarpment to 520mm per year in the lower Ruaha valley. The rains generally fall between November and April, starting with short rains which grow in intensity. The coolest month is normally June with a daytime maximum of 30 C dropping to 15 C at night. Temperatures continue to rise throughout the year with a daytime temperature of 40 C during the day falling to only 25 C at night.