Temperature in Iowa in January

Daytime highs, nighttime lows and the warmest cities in Iowa, the United States of America this January.

Iowa, the United States of America, a region in the United States of America, experiences very low average maximum daytime temperatures in January, ranging from -5°C (23°F) in Mason City to 1°C (34°F) in Keokuk. Nighttime temperatures generally drop to -8°C (18°F) in Keokuk and -14°C (7°F) in Mason City. The month of January is in the winter season. On average, it is one of the coldest months of the year.

What is the temperature of the different cities in Iowa, the United States of America 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.

Select a Month

Check the conditions for any month of the year.

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

See also: Iowa weather by month.

Best Places to Visit in Iowa in January

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Iowa.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in January: blue is cold, red is hot.

See all January weather averages, cities and regions in Iowa

Iowa temperatures in January: frequently asked questions

How hot does it get in Iowa, the United States of America in January?

Daytime temperatures in West Des Moines typically peak at -1°C (30°F) in January, putting it in the very low range.

How cold does it get at night in Iowa, the United States of America in January?

After dark, West Des Moines cools to about -11°C (12°F) on an average January night.

What is the warmest city in January in Iowa, the United States of America?

Data insights from our comprehensive database indicate that Keokuk is the city with the highest warmth. Daytime peaks average near 1°C (34°F), while the nights are characterized by a low temperature close to -8°C (18°F).

What is the coldest city in January in Iowa, the United States of America?

The coldest city in January in Iowa, the United States of America is Mason City when we check our database. The maximum daytime temperatures are around -5°C (23°F) and minimum nighttime temperatures fall around -14°C (7°F).

How much sun does Iowa, the United States of America get in January?

Most cities enjoy a balanced amount of sunshine, with around 155 hours of sunlight anticipated in West Des Moines. This ensures the days are neither too dim nor excessively sunny.

Interested in more climate information?

We have much more information about the climate in Iowa.

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