Amarillo, TX Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 46 °F8 °C Feb 54 °F12 °C Mar 59 °F15 °C Apr 70 °F21 °C May 72 °F22 °C Jun 82 °F28 °C Jul 88 °F31 °C Aug 91 °F33 °C Sep 82 °F28 °C Oct 64 °F18 °C Nov 53 °F12 °C Dec 52 °F11 °C Humidity Jan 50% Feb 47% Mar 51% Apr 49% May 65% Jun 59% Jul 50% Aug 53% Sep 64% Oct 60% Nov 56% Dec 50% Rain Jan 7mm Feb 10mm Mar 48mm Apr 33mm May 77mm Jun 84mm Jul 46mm Aug 41mm Sep 62mm Oct 56mm Nov 26mm Dec 23mm Clouds Jan 27% Feb 34% Mar 35% Apr 27% May 38% Jun 27% Jul 12% Aug 20% Sep 23% Oct 8% Nov 15% Dec 22% Air quality US AQI Jan 16 Feb 16 Mar 20 Apr 21 May 20 Jun 26 Jul 29 Aug 25 Sep 29 Oct 16 Nov 18 Dec 20 Sun Jan 3UVI Feb 5UVI Mar 6UVI Apr 8UVI May 8UVI Jun 10UVI Jul 11UVI Aug 10UVI Sep 8UVI Oct 6UVI Nov 4UVI Dec 3UVI