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Yearly Normals for Platteville, WI

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 6 23 14 0.82 1568 0 Feb 13 29 21 0.98 1233 0 Mar 25 41 33 2.19 997 0 Apr 36 56 46 3.34 576 1 May 48 67 58 3.72 263 35 Jun 57 77 67 4.73 51 108 Jul 62 80 71 4.09 13 200 Aug 60 78 69 4.59 42 163 Sep 51 70 61 3.19 171 35 Oct 40 58 49 2.41 501 1 Nov 27 41 34 2.49 937 0 Dec 13 28 21 1.2 1378 0 Year 36 54 45 33.75 7730 543 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather