Boston, MA Weather OverviewScoresFors & AgainstsWeatherPhotos Average Temperature Jan 34 °F1 °C Feb 36 °F2 °C Mar 41 °F5 °C Apr 53 °F12 °C May 61 °F16 °C Jun 72 °F22 °C Jul 82 °F28 °C Aug 79 °F26 °C Sep 71 °F22 °C Oct 59 °F15 °C Nov 49 °F10 °C Dec 37 °F3 °C Humidity Jan 60% Feb 51% Mar 52% Apr 68% May 70% Jun 73% Jul 64% Aug 70% Sep 65% Oct 71% Nov 63% Dec 65% Rain Jan 69mm Feb 53mm Mar 51mm Apr 94mm May 49mm Jun 80mm Jul 90mm Aug 64mm Sep 60mm Oct 81mm Nov 62mm Dec 71mm Clouds Jan 51% Feb 48% Mar 38% Apr 66% May 60% Jun 53% Jul 28% Aug 35% Sep 28% Oct 66% Nov 34% Dec 52% Air quality US AQI Jan 47 Feb 48 Mar 42 Apr 36 May 35 Jun 40 Jul 40 Aug 39 Sep 36 Oct 39 Nov 44 Dec 46 Sun Jan 2UVI Feb 3UVI Mar 4UVI Apr 5UVI May 6UVI Jun 7UVI Jul 8UVI Aug 7UVI Sep 6UVI Oct 4UVI Nov 2UVI Dec 1UVI
