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December Normals for Vista, CA

< November January > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 41 72 56 0.04 9 -- 2 40 72 56 0.04 9 -- 3 40 72 56 0.04 9 -- 4 40 72 56 0.04 9 -- 5 40 72 56 0.04 9 -- 6 40 71 56 0.04 9 0 7 40 71 56 0.04 10 0 8 40 71 55 0.05 10 0 9 40 71 55 0.05 10 0 10 40 71 55 0.05 10 0 11 40 71 55 0.05 10 0 12 40 71 55 0.05 10 0 13 40 71 55 0.05 10 0 14 40 71 55 0.05 10 0 15 40 70 55 0.05 10 0 16 40 70 55 0.05 10 0 17 40 70 55 0.06 10 0 18 39 70 55 0.06 10 0 19 40 70 55 0.06 10 0 20 40 70 55 0.06 10 0 21 40 70 55 0.06 10 0 22 40 70 55 0.06 10 0 23 40 70 55 0.06 10 0 24 40 70 55 0.07 10 0 25 40 69 55 0.07 11 0 26 40 69 55 0.07 11 0 27 40 69 55 0.07 11 0 28 40 69 54 0.07 11 0 29 40 69 55 0.07 11 0 30 40 69 55 0.08 11 0 31 40 69 55 0.08 10 0 Month 40 70 55 1.73 310 5 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