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Yearly Normals for Williamston, MI

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 14 29 22 1.61 1341 0 Feb 15 33 24 1.45 1160 0 Mar 24 44 34 2.33 970 1 Apr 35 57 46 3.09 585 6 May 45 69 57 2.71 277 34 Jun 54 78 66 3.6 69 113 Jul 58 82 70 2.68 17 195 Aug 57 80 68 3.46 35 151 Sep 49 72 61 3.48 179 53 Oct 39 60 49 2.29 493 5 Nov 30 46 38 2.66 805 0 Dec 20 34 27 2.17 1167 0 Year 37 57 47 31.53 7098 558 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather