Port Moresby Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 86 °F30 °C Feb 86 °F30 °C Mar 86 °F30 °C Apr 86 °F30 °C May 84 °F29 °C Jun 83 °F29 °C Jul 81 °F27 °C Aug 81 °F27 °C Sep 82 °F28 °C Oct 82 °F28 °C Nov 83 °F29 °C Dec 86 °F30 °C Humidity Jan 80% Feb 75% Mar 82% Apr 81% May 84% Jun 83% Jul 82% Aug 85% Sep 78% Oct 86% Nov 84% Dec 80% Rain Jan 122mm Feb 59mm Mar 125mm Apr 42mm May 82mm Jun 72mm Jul 29mm Aug 50mm Sep 66mm Oct 73mm Nov 70mm Dec 40mm Clouds Jan 88% Feb 85% Mar 91% Apr 77% May 84% Jun 73% Jul 64% Aug 81% Sep 58% Oct 80% Nov 73% Dec 55% Sun Jan 7UVI Feb 7UVI Mar 7UVI Apr 8UVI May 6UVI Jun 6UVI Jul 7UVI Aug 7UVI Sep 10UVI Oct 8UVI Nov 9UVI Dec 11UVI