December weather forecastMitchellville, IA

December

Weather in December

December, the first month of the winter in Mitchellville, is also a wintry month, with an average temperature fluctuating between 22.1°F (-5.5°C) and 34°F (1.1°C).

Temperature

December implies a gentle temperature shift, with average high-temperatures reducing from November's frosty 46.9°F (8.3°C) to a wintry 34°F (1.1°C). During December, the nighttime temperature averages of 22.1°F (-5.5°C).

Humidity

In Mitchellville, the average relative humidity in December is 79%.

Rainfall

January, February and December are months with the least rain when the rain falls for 2.5 days and typically aggregates up to 0.24" (6mm) of rain.

Snowfall

Months with snowfall are January through April, October through December. In December, it is snowing for 4.2 days. Throughout December, 0.24" (6mm) of snow is accumulated. Throughout the year, there are 22 snowfall days, and 2.44" (62mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 7:21 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:40 am and sunset at 4:53 pm CST.

Sunshine

In Mitchellville, the average sunshine in December is 4.7h.

UV index

In Mitchellville, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the maximum UV index of 2 suggests this advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature during December are 34°F (1.1°C) and 22.1°F (-5.5°C) respectively. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 86°F (30°C).

In December, the average relative humidity is 79%.

January, February and December are months with the least rain when the rain falls for 2.5 days and typically aggregates up to 0.24" (6mm) of rain.

In December, the rain falls for 2.5 days. Throughout December, 0.24" (6mm) of precipitation is accumulated.

In Mitchellville, in December, during 4.2 snowfall days, 0.24" (6mm) of snow is typically accumulated.

The month with the shortest days is December, with an average of 9h and 12min of daylight.

In Mitchellville, the average day length in December is 9h and 13min.

On the first day of December, sunrise is at 7:21 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 4:53 pm CST.

The average sunshine duration in December is 4.7h.

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to 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
Mitchellville, IA

  • Average high temperature in December: 34°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (27.5°F).

  • Average low temperature in December: 22.1°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).

Average pressure in December
Mitchellville, IA

  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in December
Mitchellville, IA

  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).

Average humidity in December
Mitchellville, IA

  • Average humidity in December: 79%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (70%).

Average rainfall in December
Mitchellville, IA

  • Average rainfall in December: 0.24"

The wettest month (with the highest rainfall) is May (0.98").
The driest months (with the least rainfall) are January, February and December (0.24").

Average rainfall days in December
Mitchellville, IA

  • Average rainfall days in December: 2.5 days

The month with the highest number of rainy days is May (11.6 days).
The month with the least rainy days is January (1.8 days).

Average snowfall in December
Mitchellville, IA

  • Average snowfall in December: 0.24"

The month with the highest snowfall is January (0.91").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Mitchellville, IA

  • Average snowfall days in December: 4.2 days

The month with the highest number of snowfall days is January (6.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Mitchellville, 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 42min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in December
Mitchellville, IA

  • Average sunshine days in December: 25.5 days

The month with the most sunshine days is December (25.5 days).
The month with the least sunshine days is June (15.5 days).

Average UV index in December
Mitchellville, IA

  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in December
Mitchellville, IA

  • Average cloud cover in December: 50

The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and September (Cloud cover 29).

Average visibility in December
Mitchellville, IA

  • Average visibility in December: 6mi

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