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Yearly Normals for Harsens Island, MI

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 15 30 23 1.83 1311 0 Feb 17 33 25 1.6 1129 0 Mar 25 42 34 2.23 976 0 Apr 35 54 45 2.98 608 0 May 47 67 57 2.72 285 28 Jun 56 77 67 3.29 64 109 Jul 63 82 72 2.8 6 229 Aug 61 80 71 3.04 19 200 Sep 54 73 63 3.45 105 53 Oct 42 60 51 2.49 441 7 Nov 32 47 40 2.81 766 0 Dec 21 35 28 2.15 1135 0 Year 39 57 48 31.39 6845 626 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather