Chicago Weather In January

The hottest January day in Chicago for the past 47 years was 22 degrees Celsius, most recently registered on January 25, 1982, while the regular high temperature is -1. The lowest documented temperature for Chicago for the past 47 years in January was -32 most recently encountered on January 18, 1983, and the regular low is -10.

According to National Weather Service historical Chicago January Weather data, on January 23, 1983, the high temperature did not exceed -24 degrees Celsius, the lowest high measured in Chicago in the past 47 years. NWS data also shows that on January 1, 1982, the lowest measured temperature on that day did not drop below 14 degrees, the highest low temperature measured in Chicago in the last 47 years.

National Weather Service data shows that the high temperature in Chicago on January First averages 4 degrees Celsius and the high on the final day of January averages 1 degrees. The low recorded temperature in Chicago on January First averages -4 degrees Celsius and the low temperature on the final day of January averages -8 degrees.

Chicago usually receives an average of 4.45 centimeters of precipitation during the month. According to January Chicago Weather records, the most rain measured in a single day in January was 11.35 centimeters on January 25, 1982. Chicago averages 29.21 centimeters of snow in January.On January 31, 1978 Chicago received 25.65 centimeters of precipitation, the highest snowfall recorded in a single day in January.