The best months to visit Saudi Arabia are February and December. See monthly temperatures, rainfall and rain days (1991–2020 averages) to plan your trip.
Average daytime high and monthly rainfall in Saudi Arabia: January 23°C / 11mm; February 23°C / 7mm; March 26°C / 12mm; April 30°C / 14mm; May 38°C / 2mm; June 43°C / 0mm; July 42°C / 0mm; August 42°C / 0mm; September 39°C / 0mm; October 34°C / 1mm; November 28°C / 12mm; December 22°C / 9mm.