Naha, Okinawa Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 68 °F20 °C Feb 69 °F21 °C Mar 71 °F22 °C Apr 76 °F24 °C May 79 °F26 °C Jun 83 °F29 °C Jul 89 °F32 °C Aug 90 °F32 °C Sep 87 °F31 °C Oct 83 °F29 °C Nov 78 °F26 °C Dec 70 °F21 °C Humidity Jan 60% Feb 67% Mar 65% Apr 74% May 75% Jun 82% Jul 76% Aug 74% Sep 76% Oct 72% Nov 67% Dec 63% Rain Jan 38mm Feb 49mm Mar 68mm Apr 71mm May 78mm Jun 183mm Jul 101mm Aug 71mm Sep 115mm Oct 44mm Nov 79mm Dec 32mm Clouds Jan 61% Feb 64% Mar 60% Apr 64% May 53% Jun 82% Jul 63% Aug 52% Sep 45% Oct 35% Nov 58% Dec 61% Air quality US AQI Jan 25 Feb 31 Mar 38 Apr 41 May 44 Jun 32 Jul 43 Aug 38 Sep 29 Oct 28 Nov 29 Dec 27 Sun Jan 5UVI Feb 3UVI Mar 8UVI Apr 4UVI May 8UVI Jun 4UVI Jul 7UVI Aug 8UVI Sep 4UVI Oct 7UVI Nov 3UVI Dec 4UVI