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Yearly Normals for Mount Vernon, ME

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 3 26 14 3.73 1569 0 Feb 6 30 18 2.81 1308 0 Mar 18 39 28 4.03 1140 0 Apr 29 52 40 4.1 744 0 May 38 65 52 3.97 411 2 Jun 48 74 61 4.5 143 17 Jul 53 79 66 3.65 45 74 Aug 51 77 64 3.94 79 52 Sep 42 68 55 3.73 303 2 Oct 33 57 45 4.06 622 0 Nov 26 43 35 4.2 917 0 Dec 12 31 22 3.94 1347 0 Year 30 53 42 46.66 8628 147 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather