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Average Monthly Sunshine hours in Chicago (IL)

This graph shows the average number of hours per month that Chicago receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.


  • On average, July is the sunniest month with 319 hours of sunshine.
  • December has on average the lowest amount of sunshine with 107 hours.
  • On average, the total annual amount of sun is 2520 hours.

Forecast: is it sunny in Chicago (IL)?

Wed   Jul 17
27°C | 19°C
NW 22 km/h
almost clear and no rain

almost clear and no rain

Thu   Jul 18
24°C | 16°C
NE 18 km/h
almost clear and no rain

almost clear and no rain

Fri   Jul 19
26°C | 15°C
SE 14 km/h
partly cloudy and no rain

partly cloudy and no rain

Interested in more climate information?

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