December weather forecast
Mullen, NE

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Weather in December

December, the first month of the winter in Mullen, is also a subzero cold month, with an average temperature fluctuating between 20.1°F (-6.6°C) and 31.8°F (-0.1°C).

Temperature

Mullen in December experiences a marked decrease in the average high-temperature, descending from November's chilly 46.4°F (8°C) to a freezing cold 31.8°F (-0.1°C). During the month of December, the nighttime temperature in Mullen falls to an average of 20.1°F (-6.6°C).

Humidity

The average relative humidity in December is 76%.

Rainfall

In Mullen, in December, it is raining for 3.7 days, with typically 0.79" (20mm) of accumulated precipitation. Throughout the year, in Mullen, there are 109.2 rainfall days, and 16.89" (429mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Mullen, Nebraska, are January through May, September through December. The month with the most snowfall is December, when snow falls for 7.1 days and typically aggregates up to 2.76" (70mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 6:53 am and sunset at 4:13 pm. On the last day of December, in Mullen, Nebraska, sunrise is at 7:12 am and sunset at 4:22 pm MST.

Sunshine

In Mullen, the average sunshine in December is 5.5h.

UV index

The months with the lowest UV index in Mullen, Nebraska, are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

How cold is it in Mullen in December?

In December, the average high-temperature and low-temperature in Mullen, Nebraska, are 31.8°F (-0.1°C) and 20.1°F (-6.6°C) respectively. In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is computed to be 87.8°F (31°C).

What is the average humidity in December in Mullen?

In Mullen, the average relative humidity in December is 76%.

How many days does it rain in December in Mullen?

In Mullen, in December, during 3.7 rainfall days, 0.79" (20mm) of precipitation is typically accumulated.

When does it snow the most in Mullen?

The month with the most snowfall in Mullen is December, when snow falls for 7.1 days and typically aggregates up to 2.76" (70mm) of snow.

How much does it snow in Mullen in December?

In December, it is snowing for 7.1 days. Throughout December, 2.76" (70mm) of snow is accumulated.

What is the month with the shortest days in Mullen?

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

What is the average length of the day in December in Mullen?

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

When are sunrise and sunset in December in Mullen?

On the first day of December in Mullen, Nebraska, sunrise is at 6:53 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:22 pm MST.

How many hours of sunshine does Mullen have in December?

In December, the average sunshine duration in Mullen, Nebraska, is 5.5h.

When is the lowest UV index in Mullen?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in December in Mullen?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Mullen, NE

Average temperature in December - Mullen, NE
  • Average high temperature in December: 31.8°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in December: 20.1°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

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Average pressure in December
Mullen, NE

Average pressure in December - Mullen, NE
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in December
Mullen, NE

Average wind speed in December - Mullen, NE
  • Average wind speed in December: 11.9mph

The windiest month (with the highest average wind speed) is April (13.1mph).
The calmest months (with the lowest average wind speed) are July and August (10.6mph).

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Average humidity in December
Mullen, NE

Average humidity in December - Mullen, NE
  • Average humidity in December: 76%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is September (56%).

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Average rainfall in December
Mullen, NE

Average rainfall in December - Mullen, NE
  • Average rainfall in December: 0.79"

The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in December
Mullen, NE

Average rainfall days in December - Mullen, NE
  • Average rainfall days in December: 3.7 days

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (2.4 days).

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Average snowfall in December
Mullen, NE

Average snowfall in December - Mullen, NE
  • Average snowfall in December: 2.76"

The month with the highest snowfall is December (2.76").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Mullen, NE

Average snowfall days in December - Mullen, NE
  • Average snowfall days in December: 7.1 days

The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in December /
Average sunshine in December
Mullen, NE

Average daylight in December / Average sunshine in December - Mullen, NE
  • Average daylight in December: 9h and 1min

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: 5h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

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Average sunshine days in December
Mullen, NE

Average sunshine days in December - Mullen, NE
  • Average sunshine days in December: 20.4 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.2 days).

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Average UV index in December
Mullen, NE

Average UV index in December - Mullen, NE
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Mullen, NE

Average cloud cover in December - Mullen, NE
  • Average cloud cover in December: 41

The month with the most cloud cover is February (Cloud cover 44).
The months with the least cloud cover are July, August and September (Cloud cover 21).

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Average visibility in December
Mullen, NE

Average visibility in December - Mullen, NE
  • Average visibility in December: 6mi

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

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Mullen, Nebraska, USA

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