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Yearly Normals for Grand Portage, MN

Month Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling Jan -3 19 8 1.33 1775 0 Feb 1 24 13 0.8 1462 0 Mar 15 35 25 1.55 1256 0 Apr 27 47 37 2.22 838 0 May 38 61 50 2.86 484 2 Jun 46 69 57 3.19 238 8 Jul 51 76 63 3.45 101 51 Aug 52 73 63 3.1 130 51 Sep 43 64 54 3.68 343 2 Oct 34 52 43 3.25 683 0 Nov 20 37 29 2.37 1087 0 Dec 4 24 14 1.56 1588 0 Year 27 48 38 29.36 9985 114 Data Controls Monthly | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather