Marseille Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 52 °F11 °C Feb 57 °F14 °C Mar 63 °F17 °C Apr 63 °F17 °C May 68 °F20 °C Jun 77 °F25 °C Jul 84 °F29 °C Aug 82 °F28 °C Sep 78 °F26 °C Oct 72 °F22 °C Nov 59 °F15 °C Dec 59 °F15 °C Humidity Jan 53% Feb 56% Mar 48% Apr 55% May 56% Jun 57% Jul 60% Aug 62% Sep 59% Oct 67% Nov 65% Dec 63% Rain Jan 12mm Feb 10mm Mar 1mm Apr 36mm May 15mm Jun 171mm Jul 6mm Aug 7mm Sep 45mm Oct 87mm Nov 76mm Dec 49mm Clouds Jan 25% Feb 13% Mar 14% Apr 62% May 35% Jun 12% Jul 12% Aug 18% Sep 20% Oct 40% Nov 68% Dec 42% Air quality US AQI Jan 28 Feb 44 Mar 26 Apr 28 May 27 Jun 32 Jul 34 Aug 30 Sep 34 Oct 34 Nov 26 Dec 30 Sun Jan 2UVI Feb 3UVI Mar 4UVI Apr 5UVI May 6UVI Jun 9UVI Jul 9UVI Aug 8UVI Sep 6UVI Oct 3UVI Nov 2UVI Dec 1UVI