Normal weather in Chicago in January
The weather in Chicago in January has an average temperature of around 27°C during the day. On average, January sees 334 mm of rain in Chicago. The wind speed is 3 Beaufort and mainly comes from South.
After December, January in Chicago starts with a temperature of 27°C and ends around February at 27°C.
January averages for Chicago
 Average temperature | 27°C |
 Highest daytime temperature | 29°C |
| Lowest daytime temperature | 26°C |
 Total rainfall | 334 mm |
| Rainy days | 25 days |
Temperature per day in January in Chicago
This graph shows the average daily maximum temperatures in January in Chicago, indicated in degrees Celsius.
Precipitation per day in January in Chicago
This graph shows the average daily precipitation in January in Chicago, indicated in millimeters.
UV index per day in January in Chicago
This graph shows the average daily UV index in January in Chicago.
Yearly temperature in January in Chicago
This graph shows the average yearly temperature in January in Chicago, measured in degrees Celsius, over the past years.
Yearly total precipitation in January in Chicago
This graph shows the average yearly precipitation in millimeters in January in Chicago, over the past years.
Average daily weather in January
Click on a day to get more information about the average weather on that day.
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Average weather in Chicago per month
Click on a month below to see in detail how the weather typically is in Chicago and what to expect. Based on the historical weather data of Chicago, you can view the average temperature, precipitation, wind, and UV index for each day of the month.