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Yearly Normals for Calmar, IA

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 3 22 12 1.02 1638 0 Feb 9 28 19 0.88 1302 0 Mar 22 40 31 2.21 1056 0 Apr 34 56 45 3.52 608 1 May 46 69 57 3.92 277 38 Jun 56 78 67 4.65 58 115 Jul 60 82 71 4.54 17 194 Aug 57 80 69 5.17 43 151 Sep 48 72 60 3.69 187 29 Oct 36 59 48 2.4 536 1 Nov 24 41 33 2.36 978 0 Dec 9 27 18 1.27 1456 0 Year 34 54 44 35.63 8156 529 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather