Topeka, KS Weather OverviewScoresFors & AgainstsWeatherPhotos In 2007, Average Temperature Jan 34 °F1 °C Feb 32 °F0 °C Mar 52 °F11 °C Apr 66 °F19 °C May 70 °F21 °C Jun 82 °F28 °C Jul 86 °F30 °C Aug 82 °F28 °C Sep 83 °F29 °C Oct 63 °F17 °C Nov 50 °F10 °C Dec 45 °F7 °C Humidity Jan 72% Feb 68% Mar 61% Apr 57% May 80% Jun 74% Jul 74% Aug 83% Sep 74% Oct 70% Nov 62% Dec 67% Rain Jan 20mm Feb 22mm Mar 40mm Apr 27mm May 202mm Jun 120mm Jul 88mm Aug 290mm Sep 141mm Oct 43mm Nov 20mm Dec 32mm Clouds Jan 39% Feb 57% Mar 55% Apr 42% May 55% Jun 36% Jul 13% Aug 39% Sep 29% Oct 31% Nov 24% Dec 35% Air quality US AQI Jan 37 Feb 41 Mar 45 Apr 39 May 32 Jun 34 Jul 37 Aug 34 Sep 36 Oct 26 Nov 35 Dec 38 Sun Jan 2UVI Feb 3UVI Mar 4UVI Apr 6UVI May 6UVI Jun 8UVI Jul 10UVI Aug 7UVI Sep 7UVI Oct 4UVI Nov 3UVI Dec 2UVI