Damascus Weather OverviewScoresFors & AgainstsWeatherPhotos Damascus has a cool arid climate , occurring from October to May. Average Temperature Jan 54 °F12 °C Feb 55 °F13 °C Mar 59 °F15 °C Apr 66 °F19 °C May 86 °F30 °C Jun 88 °F31 °C Jul 91 °F33 °C Aug 91 °F33 °C Sep 86 °F30 °C Oct 81 °F27 °C Nov 66 °F19 °C Dec 57 °F14 °C Humidity Jan 60% Feb 62% Mar 54% Apr 51% May 27% Jun 37% Jul 33% Aug 37% Sep 47% Oct 48% Nov 49% Dec 64% Rain Jan 22mm Feb 26mm Mar 12mm Apr 6mm May 0mm Jun 6mm Jul 1mm Aug 0mm Sep 0mm Oct 15mm Nov 10mm Dec 40mm Clouds Jan 21% Feb 13% Mar 17% Apr 19% May 15% Jun 0% Jul 0% Aug 0% Sep 0% Oct 13% Nov 20% Dec 15% Sun Jan 4UVI Feb 5UVI Mar 6UVI Apr 8UVI May 10UVI Jun 11UVI Jul 12UVI Aug 11UVI Sep 9UVI Oct 6UVI Nov 4UVI Dec 3UVI