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Yearly Normals for Harmans, MD

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 22 41 31 3.42 1043 0 Feb 24 45 34 2.97 861 0 Mar 31 55 43 4.15 688 0 Apr 39 66 52 3.51 380 1 May 49 75 62 4.71 129 42 Jun 58 83 71 3.84 10 181 Jul 63 87 75 4.03 0 313 Aug 61 85 73 3.9 3 259 Sep 54 79 67 4.17 41 91 Oct 42 68 55 3.49 330 11 Nov 34 56 45 3.56 607 0 Dec 26 45 36 3.52 905 0 Year 42 65 54 45.27 4997 898 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather