The best months to visit Tanzania are January and July. See monthly temperatures, rainfall and rain days (1991–2020 averages) to plan your trip.
Average daytime high and monthly rainfall in Tanzania: January 27°C / 57mm; February 30°C / 60mm; March 31°C / 156mm; April 28°C / 201mm; May 30°C / 131mm; June 30°C / 33mm; July 30°C / 20mm; August 30°C / 22mm; September 32°C / 22mm; October 33°C / 57mm; November 33°C / 88mm; December 29°C / 93mm.