Jacksonville, NC Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 54 °F12 °C Feb 59 °F15 °C Mar 61 °F16 °C Apr 73 °F23 °C May 81 °F27 °C Jun 84 °F29 °C Jul 88 °F31 °C Aug 86 °F30 °C Sep 83 °F29 °C Oct 75 °F24 °C Nov 60 °F16 °C Dec 57 °F14 °C Humidity Jan 67% Feb 75% Mar 65% Apr 69% May 75% Jun 78% Jul 80% Aug 83% Sep 85% Oct 81% Nov 73% Dec 76% Rain Jan 95mm Feb 41mm Mar 96mm Apr 109mm May 49mm Jun 76mm Jul 138mm Aug 205mm Sep 129mm Oct 51mm Nov 72mm Dec 102mm Clouds Jan 43% Feb 60% Mar 58% Apr 40% May 24% Jun 39% Jul 29% Aug 30% Sep 21% Oct 47% Nov 32% Dec 40% Air quality US AQI Jan 39 Feb 35 Mar 37 Apr 31 May 30 Jun 38 Jul 40 Aug 30 Sep 33 Oct 30 Nov 36 Dec 32 Sun Jan 3UVI Feb 5UVI Mar 5UVI Apr 8UVI May 9UVI Jun 8UVI Jul 9UVI Aug 8UVI Sep 8UVI Oct 5UVI Nov 3UVI Dec 3UVI