Sacramento, CA Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 55 °F 13 °C Feb 52 °F 11 °C Mar 59 °F 15 °C Apr 70 °F 21 °C May 72 °F 22 °C Jun 84 °F 29 °C Jul 86 °F 30 °C Aug 88 °F 31 °C Sep 83 °F 29 °C Oct 73 °F 23 °C Nov 67 °F 20 °C Dec 55 °F 13 °C Humidity Jan 81% Feb 74% Mar 70% Apr 63% May 65% Jun 50% Jul 52% Aug 55% Sep 54% Oct 48% Nov 64% Dec 86% Rain Jan 64mm Feb 101mm Mar 43mm Apr 13mm May 74mm Jun 1mm Jul 2mm Aug 0mm Sep 8mm Oct 2mm Nov 11mm Dec 85mm Clouds Jan 45% Feb 48% Mar 52% Apr 29% May 22% Jun 8% Jul 4% Aug 6% Sep 4% Oct 3% Nov 11% Dec 63% Air quality US AQI Jan 55 Feb 41 Mar 30 Apr 30 May 31 Jun 35 Jul 35 Aug 43 Sep 24 Oct 35 Nov 52 Dec 41 Sun Jan 2UVI Feb 3UVI Mar 4UVI Apr 7UVI May 7UVI Jun 9UVI Jul 10UVI Aug 9UVI Sep 7UVI Oct 5UVI Nov 3UVI Dec 2UVI