Dongguan Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 70 °F21 °C Feb 77 °F25 °C Mar 77 °F25 °C Apr 82 °F28 °C May 84 °F29 °C Jun 90 °F32 °C Jul 91 °F33 °C Aug 91 °F33 °C Sep 90 °F32 °C Oct 86 °F30 °C Nov 81 °F27 °C Dec 73 °F23 °C Humidity Jan 67% Feb 76% Mar 79% Apr 81% May 84% Jun 83% Jul 81% Aug 77% Sep 73% Oct 63% Nov 54% Dec 62% Rain Jan 4mm Feb 53mm Mar 70mm Apr 95mm May 114mm Jun 198mm Jul 189mm Aug 232mm Sep 123mm Oct 39mm Nov 1mm Dec 8mm Clouds Jan 61% Feb 67% Mar 80% Apr 75% May 87% Jun 90% Jul 93% Aug 77% Sep 30% Oct 37% Nov 27% Dec 58% Air quality US AQI Jan 158 Feb 154 Mar 128 Apr 108 May 95 Jun 110 Jul 119 Aug 92 Sep 97 Oct 106 Nov 131 Dec 137 Sun Jan 5UVI Feb 6UVI Mar 6UVI Apr 7UVI May 6UVI Jun 5UVI Jul 5UVI Aug 7UVI Sep 11UVI Oct 9UVI Nov 7UVI Dec 5UVI