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October Normals for Napa, CA

< September November > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 50 83 66 0.02 1 3 2 49 83 66 0.02 2 3 3 49 82 66 0.03 2 2 4 49 82 66 0.03 2 2 5 49 82 65 0.03 2 2 6 49 81 65 0.03 2 2 7 49 81 65 0.03 2 2 8 49 81 65 0.03 2 2 9 48 81 64 0.04 2 2 10 48 80 64 0.04 2 2 11 48 80 64 0.04 3 2 12 48 80 64 0.04 3 1 13 48 79 64 0.04 3 1 14 48 79 63 0.05 3 1 15 47 78 63 0.05 3 1 16 47 78 63 0.05 3 1 17 47 78 62 0.06 4 1 18 47 77 62 0.06 4 1 19 47 77 62 0.06 4 1 20 47 76 62 0.07 4 1 21 46 76 61 0.07 4 1 22 46 76 61 0.07 5 1 23 46 75 61 0.08 5 1 24 46 75 60 0.08 5 1 25 46 74 60 0.09 5 0 26 45 74 60 0.09 6 0 27 45 73 59 0.1 6 0 28 45 73 59 0.1 6 0 29 45 72 59 0.11 7 0 30 45 72 58 0.11 7 0 31 45 71 58 0.12 7 0 Month 47 78 63 1.84 116 37 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