Sioux City Weather In January
The highest recorded temperature in January for Sioux City for the past 70 years was 71 degrees Fahrenheit, most recently registered on January 9, 2002, and the mean high is 29. The lowest documented temperature in January for Sioux City for the past 70 years was -26 most recently registered on January 3, 1970, while the standard low daily temperature for the month is 8.
United States National Weather Service historical Sioux City January weather data indicates that on January 10, 1982, the measured high temperature did not exceed -9 degrees Fahrenheit, the lowest high measured in Sioux City in the past 70 years. NWS weather data additionally shows that on January 7, 1965, the lowest recorded temperature on that day did not drop below 36 degrees, the highest low measured in Sioux City in the last 70 years.
National Weather Service records indicate that the high temperature in Sioux City on January First averages 29 degrees and the high on the last day of the month averages 31 degrees. The low temperature in Sioux City in January on the first day of the month averages 12 degrees and the low temperature on the last day of the month averages 10 degrees.
Sioux City usually receives an average of 0.59 inches of precipitation during January. The most precipitation recorded on a single day in January, according to January Sioux City Weather data, was 1.09 inches on January 22, 1982. Sioux City receives an average of 6.4 inches of snow in January. The highest snowfall measured in a single day in January was 17.4 inches on January 22, 1982.