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December Normals for Calistoga, CA

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 32 57 45 0.13 20 0 2 32 57 44 0.13 21 0 3 32 56 44 0.13 21 0 4 32 56 44 0.12 21 0 5 32 56 44 0.12 21 0 6 32 56 44 0.13 21 0 7 32 56 44 0.13 21 0 8 31 56 44 0.13 21 0 9 31 56 44 0.13 22 0 10 31 55 43 0.13 22 0 11 31 55 43 0.13 22 0 12 31 55 43 0.13 22 0 13 31 55 43 0.13 22 0 14 31 55 43 0.13 22 0 15 31 55 43 0.13 22 0 16 31 55 43 0.13 22 0 17 31 55 43 0.13 22 0 18 31 55 43 0.14 22 0 19 31 55 43 0.14 22 0 20 31 55 43 0.14 22 0 21 31 55 43 0.14 22 0 22 31 55 43 0.14 22 0 23 31 55 43 0.14 22 0 24 31 54 43 0.15 22 0 25 30 54 42 0.15 23 0 26 31 54 42 0.15 23 0 27 31 54 42 0.15 23 0 28 31 54 42 0.16 22 0 29 31 54 43 0.16 22 0 30 31 54 43 0.16 22 0 31 31 54 43 0.16 22 0 Month 31 55 43 4.27 676 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