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Yearly Normals for Great Mills, MD

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 26 44 35 3.99 934 0 Feb 29 47 38 3.37 761 0 Mar 36 57 46 4.63 584 0 Apr 44 67 55 3.49 298 6 May 53 74 64 4.22 94 58 Jun 62 82 72 4.27 7 216 Jul 67 86 77 4.48 0 357 Aug 66 84 75 3.94 2 304 Sep 59 77 68 4.38 36 133 Oct 47 66 57 3.92 279 19 Nov 38 58 48 3.43 513 0 Dec 31 48 40 3.4 791 0 Year 46 66 56 47.52 4299 1093 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather