Bridgeton, MO Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 37 °F3 °C Feb 41 °F5 °C Mar 46 °F8 °C Apr 63 °F17 °C May 70 °F21 °C Jun 78 °F26 °C Jul 84 °F29 °C Aug 82 °F28 °C Sep 79 °F26 °C Oct 66 °F19 °C Nov 50 °F10 °C Dec 45 °F7 °C Humidity Jan 62% Feb 65% Mar 60% Apr 62% May 76% Jun 71% Jul 76% Aug 77% Sep 72% Oct 70% Nov 61% Dec 66% Rain Jan 67mm Feb 82mm Mar 71mm Apr 74mm May 73mm Jun 107mm Jul 121mm Aug 89mm Sep 41mm Oct 78mm Nov 63mm Dec 70mm Clouds Jan 64% Feb 55% Mar 46% Apr 50% May 52% Jun 47% Jul 22% Aug 36% Sep 19% Oct 48% Nov 35% Dec 49% Air quality US AQI Jan 48 Feb 43 Mar 36 Apr 31 May 33 Jun 38 Jul 39 Aug 36 Sep 29 Oct 31 Nov 45 Dec 55 Sun Jan 2UVI Feb 3UVI Mar 4UVI Apr 6UVI May 7UVI Jun 7UVI Jul 9UVI Aug 8UVI Sep 6UVI Oct 4UVI Nov 2UVI Dec 2UVI
