The best months to visit Nigeria are January and August. See monthly temperatures, rainfall and rain days (1991–2020 averages) to plan your trip.
Average daytime high and monthly rainfall in Nigeria: January 30°C / 31mm; February 32°C / 43mm; March 35°C / 86mm; April 35°C / 126mm; May 32°C / 210mm; June 30°C / 285mm; July 27°C / 205mm; August 26°C / 134mm; September 28°C / 195mm; October 30°C / 168mm; November 30°C / 75mm; December 31°C / 31mm.