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Yearly Normals for Postville, IA

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 7 25 16 0.93 1530 0 Feb 13 31 22 0.85 1202 0 Mar 25 44 34 1.82 960 0 Apr 36 59 48 3.69 526 3 May 48 72 60 3.88 219 51 Jun 57 80 69 4.61 39 144 Jul 62 84 73 4.11 10 244 Aug 60 82 71 4.59 26 198 Sep 51 74 62 3.44 133 53 Oct 40 61 51 2.31 452 2 Nov 27 43 35 2.15 901 0 Dec 13 29 21 1.08 1362 0 Year 36 57 47 33.46 7360 695 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather