Oaxaca Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 72 °F22 °C Feb 77 °F25 °C Mar 77 °F25 °C Apr 81 °F27 °C May 81 °F27 °C Jun 75 °F24 °C Jul 73 °F23 °C Aug 75 °F24 °C Sep 75 °F24 °C Oct 73 °F23 °C Nov 73 °F23 °C Dec 73 °F23 °C Humidity Jan 67% Feb 63% Mar 58% Apr 55% May 63% Jun 78% Jul 79% Aug 77% Sep 77% Oct 80% Nov 71% Dec 61% Rain Jan 51mm Feb 39mm Mar 67mm Apr 87mm May 186mm Jun 281mm Jul 183mm Aug 192mm Sep 147mm Oct 149mm Nov 34mm Dec 18mm Clouds Jan 32% Feb 21% Mar 18% Apr 22% May 47% Jun 76% Jul 62% Aug 64% Sep 72% Oct 78% Nov 41% Dec 23% Air quality US AQI Jan 43 Feb 59 Mar 61 Apr 66 May 70 Jun 33 Jul 44 Aug 30 Sep 28 Oct 27 Nov 41 Dec 48 Sun Jan 9UVI Feb 12UVI Mar 13UVI Apr 14UVI May 12UVI Jun 9UVI Jul 9UVI Aug 11UVI Sep 10UVI Oct 8UVI Nov 9UVI Dec 8UVI