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Yearly Normals for Gretna, NE

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 10 31 20 0.48 1390 0 Feb 16 37 26 0.51 1081 0 Mar 27 49 38 1.85 845 0 Apr 38 62 50 2.74 453 6 May 50 73 61 4.19 180 66 Jun 60 84 72 3.96 21 218 Jul 64 87 76 3.31 4 338 Aug 62 85 73 3.36 19 271 Sep 52 78 65 2.88 98 87 Oct 39 65 52 2.15 397 2 Nov 27 48 37 1.59 836 0 Dec 15 34 25 0.7 1246 0 Year 38 61 50 27.72 6570 988 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather