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Yearly Normals for Vandalia, IA

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 9 28 18 0.72 1450 0 Feb 14 34 24 0.95 1148 0 Mar 26 47 36 2.1 894 0 Apr 37 60 49 3.18 497 4 May 49 72 61 4.36 199 65 Jun 59 82 70 4.97 26 185 Jul 64 86 75 4.13 6 307 Aug 61 83 72 4.32 23 243 Sep 51 76 64 3.18 120 75 Oct 39 63 51 2.5 431 2 Nov 27 46 36 1.94 866 0 Dec 14 32 23 1.03 1301 0 Year 37 59 48 33.38 6961 881 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather