Temperature in Iowa in January

Iowa is a region in the United States of America. In January the average maximum daytime temperatures are very low and range from -5°C in Mason City to 1°C in Keokuk. Nighttime temperatures generally drop to -8°C in Keokuk and -14°C in Mason City. During January, winter is in full swing. On average, it is one of the coldest months of the year.

What is the temperature of the different cities in Iowa in January?

To get a sense of January's typical temperatures in the key spots of Iowa, explore the map below. Click on a point for an in-depth look.

Weather conditions Weather

Temperatures

Precipitation

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Legend very warm warm pleasant moderate cold very cold

Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

Select a Month of Interest

Check the weather conditions for any month in the United States of America.

For a detailed overview of the weather over the year and the best time to visit the United States of America, check out our Iowa's climate page.