nouakchott average precipitation
1 Total annual Precipitation averages 157 mm (6.2 inches) which is equivalent to 157 Litres/m (3.85 Gallons/ft). 2  On average there are 3251 hours of sunshine per year. 3  Visit the sunshine and daylight section to check monthly details including how high in the sky the sun reaches each month.ouakchott Climate & Temperature. 1  Nouakchott, Mauritania is at 18 6'N, 15 57'W, 2 m (7 ft). 2  See map. 3  Nouakchott has a subtropical desert / low-latitude arid hot climate (K ppen-Geiger classification: BWh).