La Union Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 84 °F29 °C Feb 84 °F29 °C Mar 86 °F30 °C Apr 90 °F32 °C May 88 °F31 °C Jun 88 °F31 °C Jul 84 °F29 °C Aug 84 °F29 °C Sep 84 °F29 °C Oct 86 °F30 °C Nov 84 °F29 °C Dec 84 °F29 °C Humidity Jan 61% Feb 60% Mar 61% Apr 64% May 64% Jun 69% Jul 73% Aug 78% Sep 75% Oct 67% Nov 70% Dec 65% Rain Jan 7mm Feb 4mm Mar 16mm Apr 52mm May 74mm Jun 273mm Jul 229mm Aug 247mm Sep 218mm Oct 58mm Nov 74mm Dec 24mm Clouds Jan 24% Feb 11% Mar 32% Apr 43% May 86% Jun 89% Jul 93% Aug 98% Sep 95% Oct 45% Nov 81% Dec 33% Air quality US AQI Jan 60 Feb 66 Mar 68 Apr 64 May 72 Jun 41 Jul 40 Aug 44 Sep 48 Oct 52 Nov 44 Dec 43 Sun Jan 9UVI Feb 11UVI Mar 11UVI Apr 10UVI May 7UVI Jun 7UVI Jul 6UVI Aug 5UVI Sep 6UVI Oct 9UVI Nov 6UVI Dec 7UVI