Menlo Park, CA Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 57 °F 14 °C Feb 52 °F 11 °C Mar 59 °F 15 °C Apr 64 °F 18 °C May 63 °F 17 °C Jun 71 °F 22 °C Jul 72 °F 22 °C Aug 73 °F 23 °C Sep 73 °F 23 °C Oct 70 °F 21 °C Nov 63 °F 17 °C Dec 55 °F 13 °C Humidity Jan 76% Feb 73% Mar 72% Apr 72% May 75% Jun 69% Jul 72% Aug 75% Sep 66% Oct 46% Nov 65% Dec 82% Rain Jan 63mm Feb 141mm Mar 63mm Apr 11mm May 37mm Jun 5mm Jul 5mm Aug 4mm Sep 7mm Oct 3mm Nov 26mm Dec 59mm Clouds Jan 50% Feb 52% Mar 57% Apr 45% May 52% Jun 34% Jul 31% Aug 26% Sep 17% Oct 11% Nov 28% Dec 66% Air quality US AQI Jan 36 Feb 22 Mar 26 Apr 32 May 31 Jun 41 Jul 34 Aug 36 Sep 37 Oct 38 Nov 41 Dec 41 Sun Jan 2UVI Feb 3UVI Mar 5UVI Apr 6UVI May 6UVI Jun 8UVI Jul 9UVI Aug 8UVI Sep 7UVI Oct 5UVI Nov 3UVI Dec 2UVI
