December weather forecastCentral City, IA

December

Weather in December

The first month of the winter, December, is also a wintry month in Central City, Iowa, with an average temperature varying between 32.2°F (0.1°C) and 21.7°F (-5.7°C).

Temperature

The onset of December brings a small change in high-temperatures, falling from a frosty 44.8°F (7.1°C) in November to a cold 32.2°F (0.1°C). Throughout the December nights, Central City encounters a low-temperature of 21.7°F (-5.7°C).

Humidity

In Central City, the average relative humidity in December is 82%.

Rainfall

In Central City, Iowa, in December, it is raining for 6.7 days, with typically 1.34" (34mm) of accumulated precipitation. In Central City, during the entire year, the rain falls for 138.6 days and collects up to 27.8" (706mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Central City, Iowa. In December, it is snowing for 9.1 days. Throughout December, 2.8" (71mm) of snow is accumulated. In Central City, during the entire year, snow falls for 41.2 days and aggregates up to 16.73" (425mm) of snow.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year in Central City.
On the first day of December, sunrise is at 7:15 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:44 pm CST.

Sunshine

The average sunshine in December is 4.3h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum UV index of 1 in December translates into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In December, in Central City, the average high-temperature is 32.2°F (0.1°C), and the average low-temperature is 21.7°F (-5.7°C).

In December, the average relative humidity in Central City, Iowa, is 82%.

In Central City, Iowa, during December, the rain falls for 6.7 days and regularly aggregates up to 1.34" (34mm) of precipitation.

In Central City, Iowa, in December, during 9.1 snowfall days, 2.8" (71mm) of snow is typically accumulated.

December has the shortest days of the year in Central City, with an average of 9h and 12min of daylight.

In December, the average day length in Central City is 9h and 10min.

On the first day of December in Central City, Iowa, sunrise is at 7:15 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:44 pm CST.

The average sunshine duration in December in Central City, Iowa, is 4.3h.

December is the month with the lowest UV index, with an average maximum UV index of 1.

The average daily maximum UV index in December in Central City is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Central City, IA

  • Average high temperature in December: 32.2°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.3°F).

  • Average low temperature in December: 21.7°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

Average pressure in December
Central City, IA

  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in December
Central City, IA

  • Average wind speed in December: 10.1mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity in December
Central City, IA

  • Average humidity in December: 82%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (73%).

Average rainfall in December
Central City, IA

  • Average rainfall in December: 1.34"

The wettest month (with the highest rainfall) is May (4.37").
The driest months (with the least rainfall) are January and February (1.18").

Average rainfall days in December
Central City, IA

  • Average rainfall days in December: 6.7 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (4.8 days).

Average snowfall in December
Central City, IA

  • Average snowfall in December: 2.8"

The month with the highest snowfall is January (5.43").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Central City, IA

  • Average snowfall days in December: 9.1 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Central City, IA

  • Average daylight in December: 9h and 12min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 4h and 18min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in December
Central City, IA

  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is June (9.9 days).

Average UV index in December
Central City, IA

  • Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Central City, IA

  • Average cloud cover in December: 55

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in December
Central City, IA

  • Average visibility in December: 6mi

The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).