Pharr, TX Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 68 °F 20 °C Feb 73 °F 23 °C Mar 79 °F 26 °C Apr 84 °F 29 °C May 91 °F 33 °C Jun 91 °F 33 °C Jul 93 °F 34 °C Aug 97 °F 36 °C Sep 91 °F 33 °C Oct 88 °F 31 °C Nov 76 °F 25 °C Dec 73 °F 23 °C Humidity Jan 76% Feb 83% Mar 78% Apr 74% May 79% Jun 78% Jul 71% Aug 68% Sep 75% Oct 74% Nov 77% Dec 74% Rain Jan 17mm Feb 11mm Mar 20mm Apr 22mm May 64mm Jun 132mm Jul 47mm Aug 75mm Sep 149mm Oct 47mm Nov 52mm Dec 10mm Clouds Jan 49% Feb 73% Mar 67% Apr 39% May 49% Jun 37% Jul 21% Aug 16% Sep 21% Oct 26% Nov 53% Dec 38% Air quality US AQI Jan 26 Feb 44 Mar 35 Apr 37 May 49 Jun 45 Jul 44 Aug 38 Sep 30 Oct 26 Nov 30 Dec 32 Sun Jan 5UVI Feb 6UVI Mar 7UVI Apr 11UVI May 9UVI Jun 10UVI Jul 11UVI Aug 11UVI Sep 9UVI Oct 8UVI Nov 6UVI Dec 5UVI