Constantine Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 48 °F9 °C Feb 54 °F12 °C Mar 57 °F14 °C Apr 64 °F18 °C May 68 °F20 °C Jun 89 °F32 °C Jul 91 °F33 °C Aug 88 °F31 °C Sep 82 °F28 °C Oct 72 °F22 °C Nov 57 °F14 °C Dec 57 °F14 °C Humidity Jan 68% Feb 58% Mar 59% Apr 54% May 53% Jun 31% Jul 37% Aug 42% Sep 55% Oct 60% Nov 64% Dec 62% Rain Jan 19mm Feb 11mm Mar 31mm Apr 23mm May 27mm Jun 3mm Jul 24mm Aug 46mm Sep 30mm Oct 21mm Nov 39mm Dec 24mm Clouds Jan 44% Feb 39% Mar 29% Apr 31% May 30% Jun 8% Jul 12% Aug 29% Sep 36% Oct 37% Nov 39% Dec 43% Sun Jan 3UVI Feb 4UVI Mar 7UVI Apr 7UVI May 7UVI Jun 11UVI Jul 11UVI Aug 10UVI Sep 7UVI Oct 5UVI Nov 3UVI Dec 2UVI