Appleton, WI Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 21 °F-6 °C Feb 23 °F-5 °C Mar 37 °F3 °C Apr 50 °F10 °C May 57 °F14 °C Jun 72 °F22 °C Jul 81 °F27 °C Aug 73 °F23 °C Sep 68 °F20 °C Oct 54 °F12 °C Nov 36 °F2 °C Dec 32 °F0 °C Humidity Jan 69% Feb 70% Mar 64% Apr 65% May 68% Jun 72% Jul 75% Aug 75% Sep 81% Oct 72% Nov 71% Dec 79% Rain Jan 32mm Feb 59mm Mar 35mm Apr 84mm May 75mm Jun 114mm Jul 150mm Aug 78mm Sep 155mm Oct 59mm Nov 47mm Dec 44mm Clouds Jan 61% Feb 76% Mar 41% Apr 60% May 59% Jun 44% Jul 34% Aug 34% Sep 60% Oct 54% Nov 66% Dec 62% Air quality US AQI Jan 31 Feb 31 Mar 23 Apr 23 May 24 Jun 24 Jul 27 Aug 27 Sep 22 Oct 19 Nov 27 Dec 37 Sun Jan 1UVI Feb 2UVI Mar 3UVI Apr 4UVI May 6UVI Jun 7UVI Jul 8UVI Aug 7UVI Sep 5UVI Oct 3UVI Nov 2UVI Dec 1UVI
