London Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 41 °F5 °C Feb 50 °F10 °C Mar 52 °F11 °C Apr 55 °F13 °C May 63 °F17 °C Jun 65 °F19 °C Jul 72 °F22 °C Aug 72 °F22 °C Sep 66 °F19 °C Oct 57 °F14 °C Nov 48 °F9 °C Dec 48 °F9 °C Humidity Jan 74% Feb 76% Mar 68% Apr 63% May 63% Jun 71% Jul 63% Aug 65% Sep 69% Oct 79% Nov 79% Dec 82% Rain Jan 18mm Feb 23mm Mar 30mm Apr 12mm May 18mm Jun 54mm Jul 27mm Aug 31mm Sep 54mm Oct 62mm Nov 56mm Dec 61mm Clouds Jan 69% Feb 61% Mar 72% Apr 62% May 62% Jun 68% Jul 63% Aug 64% Sep 52% Oct 83% Nov 77% Dec 69% Air quality US AQI Jan 60 Feb 66 Mar 59 Apr 62 May 62 Jun 56 Jul 56 Aug 55 Sep 56 Oct 56 Nov 61 Dec 55 Sun Jan 1UVI Feb 1UVI Mar 2UVI Apr 3UVI May 5UVI Jun 4UVI Jul 5UVI Aug 5UVI Sep 4UVI Oct 2UVI Nov 1UVI Dec 0UVI
