Bloomington, IL Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 30 °F-1 °C Feb 31 °F-1 °C Mar 43 °F6 °C Apr 56 °F14 °C May 70 °F21 °C Jun 76 °F25 °C Jul 82 °F28 °C Aug 79 °F26 °C Sep 77 °F25 °C Oct 61 °F16 °C Nov 40 °F5 °C Dec 41 °F5 °C Humidity Jan 78% Feb 77% Mar 69% Apr 72% May 79% Jun 82% Jul 82% Aug 82% Sep 83% Oct 73% Nov 77% Dec 78% Rain Jan 63mm Feb 64mm Mar 98mm Apr 62mm May 188mm Jun 95mm Jul 73mm Aug 72mm Sep 89mm Oct 67mm Nov 48mm Dec 40mm Clouds Jan 65% Feb 72% Mar 59% Apr 51% May 62% Jun 47% Jul 22% Aug 31% Sep 38% Oct 42% Nov 54% Dec 52% Air quality US AQI Jan 29 Feb 28 Mar 28 Apr 22 May 25 Jun 24 Jul 39 Aug 38 Sep 39 Oct 31 Nov 31 Dec 37 Sun Jan 2UVI Feb 3UVI Mar 4UVI Apr 5UVI May 6UVI Jun 8UVI Jul 9UVI Aug 7UVI Sep 6UVI Oct 4UVI Nov 2UVI Dec 2UVI
