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December Normals for Mayo, MD

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 32 51 42 0.11 23 0 2 32 50 41 0.11 24 0 3 32 50 41 0.11 24 0 4 32 50 41 0.11 24 0 5 31 49 40 0.11 25 0 6 31 49 40 0.11 25 0 7 31 49 40 0.11 25 0 8 30 48 39 0.1 26 0 9 30 48 39 0.1 26 0 10 30 48 39 0.1 26 0 11 30 47 38 0.1 27 0 12 29 47 38 0.1 27 0 13 29 47 38 0.1 27 0 14 29 46 38 0.1 27 0 15 29 46 37 0.1 28 0 16 28 46 37 0.1 28 0 17 28 45 37 0.1 28 0 18 28 45 36 0.1 28 0 19 28 45 36 0.11 29 0 20 27 45 36 0.11 29 0 21 27 44 36 0.11 29 0 22 27 44 36 0.11 29 0 23 27 44 35 0.11 30 0 24 27 44 35 0.11 30 0 25 26 44 35 0.11 30 0 26 26 43 35 0.11 30 0 27 26 43 35 0.11 30 0 28 26 43 34 0.11 31 0 29 25 43 34 0.11 31 0 30 25 43 34 0.11 31 0 31 25 43 34 0.11 31 0 Month 29 46 37 3.3 858 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