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December Normals for Boonsboro, MD

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 28 48 38 0.11 27 0 2 28 47 38 0.11 27 0 3 27 47 37 0.11 28 0 4 27 47 37 0.11 28 0 5 27 46 36 0.11 29 0 6 26 46 36 0.11 29 0 7 26 45 36 0.1 29 0 8 26 45 35 0.1 30 0 9 25 45 35 0.1 30 0 10 25 44 35 0.1 30 0 11 25 44 34 0.1 31 0 12 25 44 34 0.1 31 0 13 24 43 34 0.1 31 0 14 24 43 34 0.1 31 0 15 24 43 33 0.1 32 0 16 24 43 33 0.1 32 0 17 23 42 33 0.1 32 0 18 23 42 33 0.1 32 0 19 23 42 32 0.1 33 0 20 23 41 32 0.1 33 0 21 23 41 32 0.1 33 0 22 23 41 32 0.1 33 0 23 22 41 32 0.1 33 0 24 22 41 31 0.1 34 0 25 22 40 31 0.1 34 0 26 22 40 31 0.1 34 0 27 22 40 31 0.1 34 0 28 22 40 31 0.1 34 0 29 22 40 31 0.1 34 0 30 22 40 31 0.1 34 0 31 22 39 31 0.09 34 0 Month 24 43 34 3.15 976 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