The best months to visit Mauritania are January and December. See monthly temperatures, rainfall and rain days (1991–2020 averages) to plan your trip.
Average daytime high and monthly rainfall in Mauritania: January 27°C / 2mm; February 29°C / 1mm; March 31°C / 0mm; April 32°C / 0mm; May 33°C / 0mm; June 34°C / 0mm; July 31°C / 2mm; August 32°C / 13mm; September 34°C / 19mm; October 35°C / 6mm; November 32°C / 1mm; December 28°C / 4mm.