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October Normals for Irwin, IA

< September November > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 46 69 58 0.1 8 -- 2 45 69 57 0.09 8 0 3 45 69 57 0.09 9 0 4 45 68 56 0.09 9 0 5 44 68 56 0.09 9 0 6 44 67 56 0.09 10 0 7 43 67 55 0.08 10 0 8 43 66 55 0.08 11 0 9 43 66 54 0.08 11 0 10 42 65 54 0.08 11 0 11 42 65 53 0.08 12 0 12 41 64 53 0.08 12 0 13 41 64 52 0.08 13 0 14 41 63 52 0.07 13 0 15 40 63 52 0.07 13 0 16 40 62 51 0.07 14 0 17 39 62 51 0.07 14 0 18 39 61 50 0.07 15 0 19 38 61 50 0.07 15 0 20 38 60 49 0.07 16 0 21 37 60 49 0.07 16 0 22 37 59 48 0.07 17 0 23 36 59 47 0.07 17 0 24 36 58 47 0.07 18 0 25 36 57 46 0.06 19 0 26 35 57 46 0.06 19 0 27 35 56 45 0.06 20 0 28 34 55 45 0.06 20 0 29 34 55 44 0.06 21 0 30 33 54 44 0.06 21 0 31 33 53 43 0.06 22 0 Month 40 62 51 2.3 443 1 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