Philadelphia, PA Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 37 °F3 °C Feb 41 °F5 °C Mar 46 °F8 °C Apr 64 °F18 °C May 72 °F22 °C Jun 80 °F27 °C Jul 86 °F30 °C Aug 84 °F29 °C Sep 81 °F27 °C Oct 64 °F18 °C Nov 50 °F10 °C Dec 43 °F6 °C Humidity Jan 62% Feb 67% Mar 56% Apr 60% May 75% Jun 67% Jul 67% Aug 74% Sep 66% Oct 68% Nov 61% Dec 67% Rain Jan 80mm Feb 54mm Mar 68mm Apr 78mm May 84mm Jun 155mm Jul 132mm Aug 142mm Sep 46mm Oct 70mm Nov 40mm Dec 88mm Clouds Jan 59% Feb 48% Mar 40% Apr 56% May 61% Jun 47% Jul 25% Aug 39% Sep 25% Oct 50% Nov 40% Dec 45% Air quality US AQI Jan 48 Feb 43 Mar 36 Apr 31 May 33 Jun 38 Jul 39 Aug 36 Sep 29 Oct 31 Nov 45 Dec 55 Sun Jan 2UVI Feb 3UVI Mar 4UVI Apr 6UVI May 7UVI Jun 7UVI Jul 9UVI Aug 7UVI Sep 6UVI Oct 4UVI Nov 2UVI Dec 2UVI
