Leeuwarden Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 43 °F6 °C Feb 46 °F8 °C Mar 46 °F8 °C Apr 55 °F13 °C May 57 °F14 °C Jun 64 °F18 °C Jul 66 °F19 °C Aug 68 °F20 °C Sep 61 °F16 °C Oct 55 °F13 °C Nov 46 °F8 °C Dec 45 °F7 °C Humidity Jan 80% Feb 80% Mar 78% Apr 69% May 72% Jun 75% Jul 76% Aug 76% Sep 76% Oct 84% Nov 86% Dec 85% Rain Jan 30mm Feb 22mm Mar 54mm Apr 24mm May 20mm Jun 206mm Jul 25mm Aug 42mm Sep 59mm Oct 59mm Nov 45mm Dec 29mm Clouds Jan 87% Feb 71% Mar 78% Apr 48% May 63% Jun 66% Jul 65% Aug 55% Sep 77% Oct 82% Nov 88% Dec 78% Air quality US AQI Jan 27 Feb 56 Mar 31 Apr 37 May 30 Jun 23 Jul 16 Aug 19 Sep 16 Oct 21 Nov 40 Dec 24 Sun Jan 0UVI Feb 1UVI Mar 2UVI Apr 3UVI May 4UVI Jun 5UVI Jul 4UVI Aug 4UVI Sep 3UVI Oct 2UVI Nov 1UVI Dec 0UVI