The best months to visit Syria are October and May. See monthly temperatures, rainfall and rain days (1991–2020 averages) to plan your trip.
Average daytime high and monthly rainfall in Syria: January 12°C / 40mm; February 12°C / 35mm; March 16°C / 25mm; April 25°C / 11mm; May 26°C / 7mm; June 35°C / 1mm; July 34°C / 0mm; August 34°C / 0mm; September 29°C / 1mm; October 23°C / 7mm; November 16°C / 23mm; December 12°C / 31mm.