Cannes Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 50 °F10 °C Feb 55 °F13 °C Mar 61 °F16 °C Apr 61 °F16 °C May 64 °F18 °C Jun 77 °F25 °C Jul 82 °F28 °C Aug 81 °F27 °C Sep 75 °F24 °C Oct 68 °F20 °C Nov 57 °F14 °C Dec 57 °F14 °C Humidity Jan 61% Feb 64% Mar 53% Apr 68% May 74% Jun 66% Jul 68% Aug 71% Sep 71% Oct 76% Nov 77% Dec 71% Rain Jan 13mm Feb 25mm Mar 7mm Apr 65mm May 34mm Jun 6mm Jul 23mm Aug 11mm Sep 45mm Oct 113mm Nov 206mm Dec 89mm Clouds Jan 29% Feb 25% Mar 29% Apr 71% May 57% Jun 18% Jul 17% Aug 26% Sep 31% Oct 48% Nov 71% Dec 44% Air quality US AQI Jan 51 Feb 72 Mar 72 Apr 72 May 72 Jun 72 Jul 72 Aug 72 Sep 72 Oct 72 Nov 72 Dec 72 Sun Jan 2UVI Feb 3UVI Mar 4UVI Apr 5UVI May 5UVI Jun 8UVI Jul 8UVI Aug 7UVI Sep 5UVI Oct 3UVI Nov 2UVI Dec 1UVI