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December Normals for Casco, ME

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 20 38 29 0.13 36 0 2 19 38 29 0.13 36 0 3 18 38 28 0.13 37 0 4 18 37 28 0.12 37 0 5 17 37 27 0.12 38 0 6 17 37 27 0.12 38 0 7 16 36 26 0.12 39 0 8 16 36 26 0.12 39 0 9 16 35 25 0.12 40 0 10 15 35 25 0.12 40 0 11 15 35 25 0.12 40 0 12 14 34 24 0.12 41 0 13 14 34 24 0.12 41 0 14 13 34 24 0.12 42 0 15 13 33 23 0.12 42 0 16 12 33 23 0.12 42 0 17 12 33 22 0.12 43 0 18 12 33 22 0.12 43 0 19 11 32 22 0.12 43 0 20 11 32 21 0.12 44 0 21 10 32 21 0.12 44 0 22 10 32 21 0.12 44 0 23 10 31 20 0.12 45 0 24 9 31 20 0.12 45 0 25 9 31 20 0.12 45 0 26 9 31 20 0.13 45 0 27 8 30 19 0.13 46 0 28 8 30 19 0.13 46 0 29 8 30 19 0.13 46 0 30 7 30 19 0.13 46 0 31 7 30 18 0.13 47 0 Month 13 34 23 3.81 1300 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