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Yearly Normals for Chilmark, MA

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 20 37 29 4.69 1135 0 Feb 22 39 30 4.01 979 0 Mar 29 46 38 4.68 854 0 Apr 38 56 47 4.37 538 0 May 48 67 58 3.69 233 11 Jun 58 77 68 3.95 33 111 Jul 65 83 74 3.54 0 284 Aug 65 82 73 4.55 1 256 Sep 57 74 66 3.89 52 74 Oct 46 63 55 3.97 325 4 Nov 37 52 44 4.66 617 0 Dec 26 42 34 4.77 967 0 Year 43 60 51 50.77 5734 740 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather