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January Normals for Swan, IA

< December February > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 10 28 19 0.03 46 0 2 9 28 18 0.03 47 0 3 9 28 18 0.02 47 0 4 9 28 18 0.02 47 0 5 9 27 18 0.02 47 0 6 9 27 18 0.02 47 0 7 9 27 18 0.02 47 0 8 9 27 18 0.02 47 0 9 9 27 18 0.02 47 0 10 8 27 18 0.02 47 0 11 8 27 18 0.02 47 0 12 8 27 18 0.02 47 0 13 8 27 18 0.02 47 0 14 8 27 18 0.02 47 0 15 8 27 18 0.02 47 0 16 8 27 18 0.02 47 0 17 8 27 18 0.02 47 0 18 8 27 18 0.02 47 0 19 8 28 18 0.02 47 0 20 8 28 18 0.02 47 0 21 8 28 18 0.02 47 0 22 9 28 18 0.02 47 0 23 9 28 18 0.02 47 0 24 9 28 18 0.03 47 0 25 9 28 18 0.03 47 0 26 9 28 18 0.03 46 0 27 9 29 19 0.03 46 0 28 9 29 19 0.03 46 0 29 9 29 19 0.03 46 0 30 10 29 19 0.03 46 0 31 10 29 19 0.03 46 0 Month 9 28 18 0.72 1450 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