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Yearly Normals for Glen Arm, MD

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 23 38 30 3.64 1073 0 Feb 25 42 33 2.9 887 0 Mar 32 51 42 3.77 725 0 Apr 41 62 52 3.45 398 1 May 51 72 61 4.28 157 42 Jun 60 80 70 3.62 18 157 Jul 64 84 74 3.57 1 275 Aug 63 82 73 3.71 3 235 Sep 56 75 66 4.14 53 70 Oct 45 65 55 3.44 320 10 Nov 36 53 45 3.61 607 0 Dec 28 43 35 3.54 920 0 Year 44 62 53 43.67 5162 790 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather