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October Normals for Darien, CT

< September November > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 50 67 59 0.15 7 -- 2 49 67 58 0.14 7 -- 3 49 66 58 0.14 8 -- 4 49 66 57 0.14 8 -- 5 48 66 57 0.14 8 0 6 48 65 57 0.14 9 0 7 47 65 56 0.14 9 0 8 47 65 56 0.14 9 0 9 47 64 56 0.14 10 0 10 46 64 55 0.13 10 0 11 46 64 55 0.13 10 0 12 46 63 54 0.13 11 0 13 45 63 54 0.13 11 0 14 45 62 54 0.13 12 0 15 45 62 53 0.13 12 0 16 44 62 53 0.13 12 0 17 44 61 53 0.13 12 0 18 44 61 52 0.13 13 0 19 43 61 52 0.13 13 0 20 43 60 52 0.13 13 0 21 43 60 51 0.13 14 0 22 42 60 51 0.13 14 0 23 42 59 51 0.13 14 0 24 42 59 50 0.13 15 0 25 42 59 50 0.13 15 0 26 41 58 50 0.13 15 0 27 41 58 50 0.13 15 0 28 41 58 49 0.14 16 0 29 41 57 49 0.14 16 0 30 40 57 49 0.14 16 0 31 40 57 48 0.14 17 0 Month 45 62 53 4.17 371 4 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