United StatesAverage weather for Iowa in December
It's pleasantly warm in December in Iowa with an average temperature of 19°C. Temperatures this month range from a low of 15°C to a high of 23°C. At night, you can expect temperatures between 6°C and 13°C.
Start of December
The month of December starts in Iowa with mild temps, averaging around 20°C during the day and nights around 10°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.
Mid December
By mid-December, daytime temps drop to around 19°C, with nights around 9°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of December
By the end of December, the average daytime temperature in Iowa is around 20°C, while nighttime temps are about 11°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
In December, there is an average of 164 mm of precipitation, spread over 8 days. Of the total precipitation, about 0,2 cm falls as snow in December. The wind speed is around 4 Bft, mostly coming from the Southeast.
Iowa in December |
New York | ||
|---|---|---|---|
 Average temperature |
19°C | 9°C | |
 Max. temperature |
23°C | 12°C | |
| Min. temperature |
15°C | -5°C | |
 Total precipitation |
164 mm | 133 mm | |
| Rainy days |
8 days | 17 days | |
 Total snowfall |
0,2 cm | 9,7 cm | |
| Snowy days |
1 day | 3 days | |
November
UV index
The UV index is a maximum of 4 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Is December a good time to visit Iowa?
Looking for sun? December isn’t a good month to be in Iowa. The temperature is nice, but there’s too much chance of rain.
The hurricane season in Iowa runs from June to November.
Temperature records
With 28°C in 2017, Iowa reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was -2°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of -9°C to a highest value of 24°C.
Check out the climate of Iowa for all months and discover the best travel time
Daily Temperature in December in Iowa
This chart shows the average daily high and low temperatures in December for Iowa, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in December in Iowa
The chart below shows the average daily precipitation in December for Iowa, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for December, you can expect about 8 days of precipitation in Iowa.
Daily Snowfall in December in Iowa
This chart shows the average daily snowfall in December in Iowa, measured in centimeters. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in December.
Daily UV index in December in Iowa
This chart shows the average daily UV index in December in Iowa, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in December in Iowa over the years
This chart shows the average temperature in December in Iowa, measured in degrees Celsius, over the past few years.
Total precipitation in December in Iowa over the years
This chart shows the average precipitation in December in Iowa, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Snowfall in December in Iowa per year
This chart shows the average snowfall in December in Iowa, measured in centimeters, over the past few years.
Daily weather in December for Iowa
Click on any day in December to get detailed info about the usual weather on that day in Iowa. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in December in Iowa
Have you been to Iowa in December?
Share your weather experience in December in Iowa.
Average weather in Iowa by month
Click on a month below to see detailed weather info for Iowa. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
