Oakland, CA Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 57 °F14 °C Feb 54 °F12 °C Mar 59 °F15 °C Apr 63 °F17 °C May 61 °F16 °C Jun 64 °F18 °C Jul 64 °F18 °C Aug 68 °F20 °C Sep 70 °F21 °C Oct 66 °F19 °C Nov 62 °F17 °C Dec 55 °F13 °C Humidity Jan 78% Feb 73% Mar 72% Apr 75% May 79% Jun 75% Jul 79% Aug 80% Sep 69% Oct 47% Nov 60% Dec 77% Rain Jan 56mm Feb 142mm Mar 49mm Apr 11mm May 30mm Jun 6mm Jul 5mm Aug 4mm Sep 10mm Oct 4mm Nov 35mm Dec 58mm Clouds Jan 50% Feb 47% Mar 55% Apr 41% May 48% Jun 31% Jul 27% Aug 26% Sep 12% Oct 4% Nov 21% Dec 67% Air quality US AQI Jan 36 Feb 24 Mar 29 Apr 33 May 30 Jun 38 Jul 39 Aug 41 Sep 43 Oct 41 Nov 44 Dec 34 Sun Jan 2UVI Feb 3UVI Mar 5UVI Apr 7UVI May 7UVI Jun 8UVI Jul 9UVI Aug 8UVI Sep 7UVI Oct 5UVI Nov 3UVI Dec 2UVI