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Yearly Normals for Waterloo, WI

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 8 23 16 1.06 1528 0 Feb 13 29 21 1.15 1235 0 Mar 25 40 33 1.99 1006 0 Apr 36 55 45 3.24 590 1 May 47 68 57 3.43 278 33 Jun 56 77 67 4.04 60 106 Jul 60 81 71 3.86 16 186 Aug 59 79 69 4.24 45 153 Sep 50 71 61 3.64 168 33 Oct 40 59 49 2.43 486 3 Nov 27 42 35 2.39 914 0 Dec 15 28 22 1.33 1345 0 Year 36 54 45 32.8 7671 515 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather