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Yearly Normals for Deer Isle, ME

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 11 31 21 4.06 1368 0 Feb 13 34 23 3.01 1167 0 Mar 23 42 32 4.38 1015 0 Apr 33 53 43 4.45 671 0 May 42 65 54 4.18 359 1 Jun 51 74 63 3.88 106 31 Jul 57 79 68 3.2 18 117 Aug 56 78 67 3.01 31 89 Sep 48 70 59 4.1 191 10 Oct 38 59 48 4.33 517 0 Nov 30 47 38 4.74 798 0 Dec 18 36 27 4.31 1191 0 Year 35 56 45 47.65 7432 248 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather