The best months to visit Niger are December and January. See monthly temperatures, rainfall and rain days (1991–2020 averages) to plan your trip.
Average daytime high and monthly rainfall in Niger: January 27°C / 0mm; February 29°C / 0mm; March 36°C / 1mm; April 40°C / 2mm; May 41°C / 9mm; June 40°C / 21mm; July 36°C / 63mm; August 32°C / 125mm; September 35°C / 43mm; October 36°C / 8mm; November 29°C / 0mm; December 26°C / 0mm.