Temperature in Iowa in December

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

Iowa, the United States of America, a region in the United States of America, experiences maximum daytime temperatures in December ranging from -2°C (28°F) in Okoboji to 4°C (39°F) in Keokuk. Nighttime temperatures generally drop to -5°C (23°F) in Keokuk and -11°C (12°F) in Okoboji. December is a winter month.

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

Find the average daytime temperatures in December for the most popular destinations in Iowa on the map below. Click on a destination dot for more detailed information.

Select a Month

Check the conditions for any month of the year.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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 December

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 December: blue is cold, red is hot.

See all December weather averages, cities and regions in Iowa

Iowa temperatures in December: frequently asked questions

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

Average daytime highs in Iowa, the United States of America during December reach about 2°C (36°F) in West Des Moines.

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

After dark, West Des Moines cools to about -8°C (18°F) on an average December night.

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

According to our recent database analysis, Keokuk is the warmest city. It experiences an average maximum daytime temperature of approximately 4°C (39°F) and rarely drops below -5°C (23°F) during the night.

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

The coldest city in December in Iowa, the United States of America is Okoboji when we check our database. The maximum daytime temperatures are around -2°C (28°F) and minimum nighttime temperatures fall around -11°C (12°F).

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

West Des Moines enjoys a balanced 129 hours of sunlight. This makes it neither too overcast nor too sunny.

Interested in more climate information?

We have much more information about the climate in Iowa.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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