However, in agriculture, temperature is expressed as either Celsius or Fahrenheit. b In a scientific context, the pound (lb) is a unit of weight or force, but in commercial usage it is commonly taken as unit of mass, with the indicated equivalence to the kg (a true unit of mass).
Dire Dawa has a hot semi-arid climate (KÃ¶ppen climate classification BSh). The mean annual temperature of Dire Dawa is about 25.9 Â°C or 78.6 Â°F. The average maximum temperature of Dire Dawa is 32.8 Â°C or 91.0 Â°F, while its average minimum temperature is about 19.0 Â°C or 66.2 Â°F. The region has two rain seasons; that is, a small rain season from March to April, and a more pronounced rain season that extends from July to August.
The climate is torrid, and rainfall is sparse and erratic. During the hot season, from May to September, daytime temperatures in the capital average 31Â°. (87Â°. ) and the northeastern monsoon blows. During the warm season, from October to April, average daytime temperatures moderate to 37Â°. (99Â°. ). Humidity is high all year, but annual rainfall averages less than 13 cm (5 in).