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December Normals for Grand Portage, MN

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 11 29 20 0.06 45 0 2 11 29 20 0.06 45 0 3 10 29 19 0.06 46 0 4 9 28 19 0.06 46 0 5 9 28 18 0.06 47 0 6 8 27 18 0.06 47 0 7 8 27 17 0.05 48 0 8 7 26 17 0.05 48 0 9 7 26 16 0.05 49 0 10 6 26 16 0.05 49 0 11 6 25 15 0.05 50 0 12 5 25 15 0.05 50 0 13 5 24 15 0.05 51 0 14 4 24 14 0.05 51 0 15 4 24 14 0.05 51 0 16 3 23 13 0.05 52 0 17 3 23 13 0.05 52 0 18 2 23 13 0.05 52 0 19 2 22 12 0.05 53 0 20 2 22 12 0.05 53 0 21 1 22 12 0.05 53 0 22 1 21 11 0.05 54 0 23 1 21 11 0.05 54 0 24 0 21 11 0.05 54 0 25 0 21 10 0.04 55 0 26 0 20 10 0.04 55 0 27 -1 20 10 0.04 55 0 28 -1 20 10 0.04 55 0 29 -1 20 9 0.04 56 0 30 -2 20 9 0.05 56 0 31 -2 19 9 0.05 56 0 Month 4 24 14 1.56 1588 0 Data Controls Monthly: January February March April May June July August September October November December   | Yearly Related Maps Related Links Normal High Temperatures Normal Low Temperatures Normal Mean Temperatures Normal Precipitation - Forecast - Past Weather