San Antonio, TX Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 66 °F 19 °C Feb 71 °F 22 °C Mar 76 °F 25 °C Apr 80 °F 27 °C May 86 °F 30 °C Jun 91 °F 33 °C Jul 95 °F 35 °C Aug 96 °F 36 °C Sep 91 °F 33 °C Oct 82 °F 28 °C Nov 71 °F 22 °C Dec 65 °F 19 °C Humidity Jan 66% Feb 70% Mar 72% Apr 69% May 76% Jun 72% Jul 66% Aug 66% Sep 68% Oct 68% Nov 74% Dec 72% Rain Jan 38mm Feb 66mm Mar 35mm Apr 75mm May 74mm Jun 154mm Jul 35mm Aug 50mm Sep 71mm Oct 94mm Nov 14mm Dec 38mm Clouds Jan 42% Feb 81% Mar 57% Apr 33% May 60% Jun 39% Jul 23% Aug 18% Sep 17% Oct 32% Nov 53% Dec 21% Air quality US AQI Jan 28 Feb 59 Mar 59 Apr 59 May 25 Jun 36 Jul 47 Aug 37 Sep 23 Oct 22 Nov 36 Dec 36 Sun Jan 4UVI Feb 5UVI Mar 6UVI Apr 9UVI May 8UVI Jun 10UVI Jul 10UVI Aug 10UVI Sep 10UVI Oct 7UVI Nov 4UVI Dec 4UVI
