Cathedral City, CA Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 64 °F18 °C Feb 60 °F16 °C Mar 73 °F23 °C Apr 83 °F29 °C May 82 °F28 °C Jun 98 °F37 °C Jul 104 °F40 °C Aug 104 °F40 °C Sep 95 °F35 °C Oct 84 °F29 °C Nov 79 °F26 °C Dec 64 °F18 °C Humidity Jan 37% Feb 41% Mar 39% Apr 25% May 35% Jun 28% Jul 20% Aug 20% Sep 27% Oct 16% Nov 19% Dec 52% Rain Jan 26mm Feb 50mm Mar 14mm Apr 3mm May 6mm Jun 2mm Jul 6mm Aug 3mm Sep 17mm Oct 1mm Nov 23mm Dec 17mm Clouds Jan 26% Feb 26% Mar 18% Apr 15% May 12% Jun 3% Jul 1% Aug 0% Sep 2% Oct 0% Nov 6% Dec 27% Air quality US AQI Jan 31 Feb 31 Mar 28 Apr 40 May 49 Jun 59 Jul 56 Aug 50 Sep 43 Oct 39 Nov 32 Dec 29 Sun Jan 3UVI Feb 5UVI Mar 7UVI Apr 8UVI May 8UVI Jun 10UVI Jul 11UVI Aug 10UVI Sep 9UVI Oct 6UVI Nov 4UVI Dec 3UVI