Interactive (Beta) Radar Satellite Currents Severe Forecasts Climate Tropical Rivers Live Search Map
Temperature Change Precipitation Yesterday Records Normals Drought Short-Term Long-Term
Climatological Normals

August Normals for Joliet, IL

< July September > Day Temperatures (°F) Precipitation (in) Degree Days Min Max Avg Heating Cooling 1 63 87 75 0.14 0 10 2 63 87 75 0.15 0 10 3 63 87 75 0.15 0 10 4 63 86 75 0.15 0 10 5 63 86 75 0.15 0 10 6 63 86 75 0.15 0 10 7 63 86 75 0.15 0 10 8 63 86 74 0.15 0 10 9 63 86 74 0.15 0 10 10 63 86 74 0.15 0 10 11 63 86 74 0.15 0 10 12 62 86 74 0.15 0 9 13 62 86 74 0.15 0 9 14 62 85 74 0.15 0 9 15 62 85 74 0.15 0 9 16 62 85 74 0.15 0 9 17 62 85 73 0.15 0 9 18 61 85 73 0.15 0 9 19 61 85 73 0.15 -- 8 20 61 85 73 0.15 -- 8 21 61 84 73 0.15 -- 8 22 61 84 73 0.15 -- 8 23 61 84 72 0.15 -- 8 24 60 84 72 0.15 -- 8 25 60 84 72 0.15 -- 7 26 60 84 72 0.15 -- 7 27 60 83 71 0.15 -- 7 28 59 83 71 0.14 -- 7 29 59 83 71 0.14 -- 6 30 59 83 71 0.14 -- 6 31 58 83 71 0.14 -- 6 Month 62 85 73 4.6 13 267 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