Willemstad Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 82 °F28 °C Feb 82 °F28 °C Mar 82 °F28 °C Apr 82 °F28 °C May 84 °F29 °C Jun 86 °F30 °C Jul 84 °F29 °C Aug 86 °F30 °C Sep 86 °F30 °C Oct 86 °F30 °C Nov 86 °F30 °C Dec 84 °F29 °C Humidity Jan 63% Feb 62% Mar 65% Apr 65% May 66% Jun 66% Jul 67% Aug 66% Sep 65% Oct 64% Nov 63% Dec 65% Rain Jan 9mm Feb 5mm Mar 5mm Apr 10mm May 24mm Jun 63mm Jul 34mm Aug 27mm Sep 45mm Oct 59mm Nov 45mm Dec 29mm Clouds Jan 31% Feb 32% Mar 31% Apr 47% May 65% Jun 56% Jul 23% Aug 19% Sep 37% Oct 59% Nov 45% Dec 48% Air quality US AQI Jan 28 Feb 29 Mar 36 Apr 29 May 37 Jun 45 Jul 48 Aug 44 Sep 36 Oct 31 Nov 27 Dec 28 Sun Jan 8UVI Feb 10UVI Mar 11UVI Apr 9UVI May 8UVI Jun 9UVI Jul 10UVI Aug 11UVI Sep 9UVI Oct 8UVI Nov 8UVI Dec 7UVI
