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December Normals for Crystal, ID

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 16 37 26 0.03 39 0 2 15 36 26 0.03 39 0 3 15 36 26 0.03 39 0 4 15 36 25 0.03 40 0 5 14 35 25 0.02 40 0 6 14 35 25 0.02 40 0 7 14 35 24 0.02 41 0 8 13 35 24 0.02 41 0 9 13 34 24 0.02 41 0 10 13 34 23 0.02 42 0 11 13 34 23 0.02 42 0 12 12 33 23 0.02 42 0 13 12 33 23 0.02 42 0 14 12 33 22 0.02 43 0 15 12 33 22 0.02 43 0 16 12 33 22 0.02 43 0 17 11 32 22 0.02 43 0 18 11 32 22 0.02 43 0 19 11 32 22 0.02 44 0 20 11 32 21 0.02 44 0 21 11 32 21 0.02 44 0 22 11 31 21 0.02 44 0 23 11 31 21 0.02 44 0 24 11 31 21 0.02 44 0 25 11 31 21 0.02 44 0 26 11 31 21 0.02 44 0 27 11 31 21 0.02 44 0 28 10 31 21 0.03 44 0 29 10 31 21 0.03 44 0 30 11 30 21 0.03 45 0 31 11 30 21 0.03 45 0 Month 12 33 23 0.7 1317 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