The Northern third is Sahara desert, the middle third is seasonal grass land with a short rainy season and the Southern third is well watered with rivers and a long rainy season.

It is rare for the temperature to ever drop to single figures of °C in lowland areas (i.e. almost everywhere. Highs in the mid to upper 40s are not uncommon, but especially when humidity is very low and there is a breeze, it does not feel as hot as it sounds.