Constanta Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 41 °F5 °C Feb 45 °F7 °C Mar 54 °F12 °C Apr 55 °F13 °C May 68 °F20 °C Jun 81 °F27 °C Jul 79 °F26 °C Aug 81 °F27 °C Sep 75 °F24 °C Oct 64 °F18 °C Nov 63 °F17 °C Dec 50 °F10 °C Humidity Jan 62% Feb 58% Mar 51% Apr 61% May 64% Jun 59% Jul 56% Aug 56% Sep 56% Oct 66% Nov 67% Dec 60% Rain Jan 27mm Feb 9mm Mar 15mm Apr 14mm May 18mm Jun 118mm Jul 23mm Aug 8mm Sep 31mm Oct 27mm Nov 9mm Dec 17mm Clouds Jan 78% Feb 67% Mar 44% Apr 53% May 51% Jun 26% Jul 17% Aug 3% Sep 29% Oct 16% Nov 64% Dec 46% Air quality US AQI Jan 22 Feb 11 Mar 15 Apr 11 May 11 Jun 13 Jul 18 Aug 18 Sep 11 Oct 15 Nov 7 Dec 12 Sun Jan 1UVI Feb 2UVI Mar 4UVI Apr 4UVI May 5UVI Jun 8UVI Jul 8UVI Aug 8UVI Sep 5UVI Oct 4UVI Nov 2UVI Dec 1UVI