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January Normals for Wilton, CT

< December February > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 19 35 27 0.13 38 0 2 19 35 27 0.13 38 0 3 19 35 27 0.13 38 0 4 19 34 27 0.13 38 0 5 19 34 27 0.13 38 0 6 19 34 26 0.13 39 0 7 18 34 26 0.13 39 0 8 18 34 26 0.13 39 0 9 18 34 26 0.13 39 0 10 18 34 26 0.13 39 0 11 18 34 26 0.14 39 0 12 18 34 26 0.14 39 0 13 18 34 26 0.14 39 0 14 17 34 26 0.14 39 0 15 17 34 26 0.14 39 0 16 17 33 25 0.14 40 0 17 17 33 25 0.13 40 0 18 17 33 25 0.13 40 0 19 17 33 25 0.13 40 0 20 17 33 25 0.13 40 0 21 17 33 25 0.13 40 0 22 17 34 25 0.13 40 0 23 17 34 25 0.13 40 0 24 17 34 25 0.13 40 0 25 17 34 25 0.13 40 0 26 17 34 25 0.13 40 0 27 17 34 25 0.13 40 0 28 17 34 26 0.13 39 0 29 17 34 26 0.12 39 0 30 17 34 26 0.12 39 0 31 17 34 26 0.12 39 0 Month 18 34 26 4.06 1216 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