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Yearly Normals for Grinnell, KS

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 15 40 27 0.47 1175 0 Feb 19 46 32 0.51 922 0 Mar 25 54 40 1.25 786 0 Apr 35 64 50 1.78 464 2 May 46 73 60 3.27 201 34 Jun 57 86 71 2.46 32 218 Jul 63 91 77 3.68 1 367 Aug 61 89 75 2.52 10 310 Sep 51 80 65 1.34 95 99 Oct 38 68 53 1.05 379 1 Nov 25 51 38 1.02 811 0 Dec 17 42 30 0.41 1101 0 Year 38 65 51 19.76 5977 1031 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather