Chicago August Weather Averages

Illinois, United States of America

August Weather Averages for Chicago

High Temp26°C78°F
Low Temp20°C68°F
Avg Temp23°C73°F
Sunshine Hours241 hours 
Rainfall132.59 mm5.22 In
Rain days8 days 
Pressure1015 mb30 In

 

Chicago August Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200924°C / 75°F18°C / 65°F21°C / 70°F218 hours148.72 mm / 5.86 In12 days1016 mb / 30 In
201027°C / 81°F21°C / 70°F24°C / 75°F308 hours58.20 mm / 2.29 In5 days1014 mb / 30 In
201126°C / 78°F20°C / 68°F23°C / 73°F297 hours158.88 mm / 6.26 In4 days1013 mb / 30 In
201226°C / 78°F19°C / 67°F23°C / 73°F271 hours77.69 mm / 3.06 In7 days1015 mb / 30 In
201325°C / 77°F19°C / 66°F22°C / 71°F281 hours96.44 mm / 3.80 In7 days1017 mb / 30 In
201424°C / 75°F18°C / 65°F21°C / 70°F241 hours162.57 mm / 6.40 In11 days1015 mb / 30 In
201525°C / 76°F19°C / 65°F22°C / 71°F256 hours80.26 mm / 3.16 In6 days1015 mb / 30 In
201626°C / 79°F21°C / 70°F23°C / 74°F224 hours252.98 mm / 9.96 In13 days1016 mb / 30 In
201725°C / 77°F20°C / 67°F22°C / 72°F237 hours100.22 mm / 3.95 In9 days1016 mb / 30 In
201826°C / 79°F21°C / 70°F24°C / 74°F247 hours220.38 mm / 8.68 In11 days1015 mb / 30 In
201925°C / 77°F21°C / 69°F23°C / 73°F249 hours101.07 mm / 3.98 In11 days1015 mb / 30 In
202026°C / 79°F21°C / 70°F24°C / 75°F238 hours30.70 mm / 1.21 In5 days1015 mb / 30 In
202128°C / 82°F22°C / 71°F24°C / 76°F197 hours65.69 mm / 2.59 In10 days1016 mb / 30 In
202227°C / 80°F20°C / 68°F23°C / 74°F228 hours77.53 mm / 3.05 In5 days1015 mb / 30 In
202327°C / 80°F19°C / 66°F23°C / 73°F217 hours75.75 mm / 2.98 In5 days1013 mb / 30 In
202426°C / 79°F20°C / 68°F23°C / 73°F230 hours96.30 mm / 3.79 In4 days1016 mb / 30 In
202526°C / 79°F20°C / 69°F23°C / 73°F167 hours228.40 mm / 8.99 In5 days1018 mb / 31 In
202626°C / 79°F20°C / 68°F23°C / 73°F230 hours354.83 mm / 13.97 In15 days1015 mb / 30 In

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Weather history near Chicago

Region

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Chicago weather history: common questions

How far back does Chicago weather history go?

Hourly historical weather is available from 1 January 2009. Choose a date above, or pick a month at the top of the page for long-term averages.

Can I download Chicago historical weather as a file?

Yes. Buy historical weather data as daily or hourly CSV, yearly monthly averages or monthly climate averages. A free sample download is available.

Is there an API for historical weather?

Yes. The WeatherAPI.com History API returns hourly weather for any past date from 2010, as JSON or XML. Get a free API key.

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