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July Normals for Duncan, SC

< June August > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 65 88 77 0.17 0 12 2 66 89 77 0.17 0 12 3 66 89 77 0.17 0 12 4 66 89 77 0.17 0 12 5 66 89 77 0.17 0 12 6 66 89 78 0.17 0 12 7 66 89 78 0.17 0 13 8 66 89 78 0.17 0 13 9 67 89 78 0.17 0 13 10 67 89 78 0.16 0 13 11 67 89 78 0.16 0 13 12 67 89 78 0.16 0 13 13 67 89 78 0.16 0 13 14 67 89 78 0.16 0 13 15 67 89 78 0.16 0 13 16 67 89 78 0.17 0 13 17 67 89 78 0.17 0 13 18 67 89 78 0.17 0 13 19 67 90 78 0.17 0 13 20 67 90 78 0.17 0 13 21 67 90 79 0.17 0 13 22 67 90 79 0.17 0 14 23 68 89 79 0.17 0 14 24 68 89 79 0.17 0 14 25 68 89 79 0.17 0 14 26 68 89 78 0.17 0 13 27 67 89 78 0.18 0 13 28 67 89 78 0.18 0 13 29 67 89 78 0.18 0 13 30 67 89 78 0.18 0 13 31 67 89 78 0.18 0 13 Month 67 89 78 5.26 0 401 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