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December Normals for Granby, MA

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 23 38 31 0.13 35 0 2 22 38 30 0.13 35 0 3 22 38 30 0.13 35 0 4 21 37 29 0.13 36 0 5 21 37 29 0.13 36 0 6 20 36 28 0.13 37 0 7 20 36 28 0.13 37 0 8 20 36 28 0.12 37 0 9 19 35 27 0.12 38 0 10 19 35 27 0.12 38 0 11 18 35 26 0.12 38 0 12 18 34 26 0.12 39 0 13 18 34 26 0.12 39 0 14 17 34 25 0.12 40 0 15 17 33 25 0.12 40 0 16 17 33 25 0.12 40 0 17 16 33 25 0.12 40 0 18 16 32 24 0.12 41 0 19 16 32 24 0.12 41 0 20 15 32 24 0.11 41 0 21 15 32 23 0.11 42 0 22 15 31 23 0.11 42 0 23 15 31 23 0.11 42 0 24 14 31 23 0.11 42 0 25 14 31 22 0.11 43 0 26 14 31 22 0.11 43 0 27 14 30 22 0.11 43 0 28 13 30 22 0.11 43 0 29 13 30 22 0.11 43 0 30 13 30 21 0.12 44 0 31 13 30 21 0.12 44 0 Month 17 33 25 3.69 1234 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