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Yearly Normals for Sullivan, NH

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan 7 30 18 3.39 1445 0 Feb 10 33 21 2.49 1223 0 Mar 21 42 31 3.33 1046 0 Apr 32 54 43 3.06 661 0 May 43 67 55 3.77 322 5 Jun 52 75 63 3.5 91 40 Jul 56 80 68 4.01 20 111 Aug 54 78 66 4.02 42 78 Sep 45 70 58 3.17 227 5 Oct 33 59 46 3.48 583 0 Nov 27 46 37 3.32 854 0 Dec 15 34 24 3.07 1259 0 Year 33 56 44 40.61 7773 239 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather