Elgin, IL Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 28 °F-2 °C Feb 28 °F-3 °C Mar 39 °F4 °C Apr 52 °F11 °C May 64 °F18 °C Jun 74 °F24 °C Jul 82 °F28 °C Aug 77 °F25 °C Sep 73 °F23 °C Oct 57 °F14 °C Nov 39 °F4 °C Dec 39 °F4 °C Humidity Jan 80% Feb 77% Mar 69% Apr 67% May 78% Jun 80% Jul 77% Aug 78% Sep 85% Oct 77% Nov 79% Dec 78% Rain Jan 35mm Feb 63mm Mar 45mm Apr 66mm May 210mm Jun 92mm Jul 128mm Aug 96mm Sep 225mm Oct 151mm Nov 41mm Dec 40mm Clouds Jan 69% Feb 72% Mar 58% Apr 55% May 70% Jun 49% Jul 28% Aug 30% Sep 56% Oct 54% Nov 65% Dec 56% Air quality US AQI Jan 31 Feb 32 Mar 28 Apr 30 May 31 Jun 36 Jul 36 Aug 43 Sep 39 Oct 33 Nov 32 Dec 39 Sun Jan 2UVI Feb 3UVI Mar 3UVI Apr 5UVI May 6UVI Jun 7UVI Jul 8UVI Aug 7UVI Sep 5UVI Oct 4UVI Nov 2UVI Dec 1UVI
