Iowa City, IA Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 27 °F-3 °C Feb 25 °F-4 °C Mar 41 °F5 °C Apr 57 °F14 °C May 64 °F18 °C Jun 77 °F25 °C Jul 86 °F30 °C Aug 79 °F26 °C Sep 76 °F25 °C Oct 55 °F13 °C Nov 41 °F5 °C Dec 41 °F5 °C Humidity Jan 78% Feb 78% Mar 69% Apr 66% May 81% Jun 78% Jul 75% Aug 71% Sep 80% Oct 75% Nov 76% Dec 81% Rain Jan 32mm Feb 57mm Mar 62mm Apr 72mm May 152mm Jun 62mm Jul 30mm Aug 53mm Sep 88mm Oct 83mm Nov 270mm Dec 321mm Clouds Jan 59% Feb 68% Mar 50% Apr 48% May 66% Jun 41% Jul 25% Aug 37% Sep 45% Oct 44% Nov 62% Dec 47% Air quality US AQI Jan 38 Feb 36 Mar 34 Apr 28 May 32 Jun 30 Jul 31 Aug 32 Sep 26 Oct 24 Nov 44 Dec 37 Sun Jan 2UVI Feb 3UVI Mar 4UVI Apr 5UVI May 6UVI Jun 7UVI Jul 9UVI Aug 7UVI Sep 6UVI Oct 4UVI Nov 2UVI Dec 1UVI
