December weather forecast
Martinsburg, NE

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Weather in December

The first month of the winter, December, is also a subzero cold month in Martinsburg, Nebraska, with an average temperature ranging between max 30.7°F (-0.7°C) and min 18.7°F (-7.4°C).

Temperature

The shift into December is characterized by a noticeable reduction in the average high-temperature, decreasing from November's chilly 45.9°F (7.7°C) to a subzero cold 30.7°F (-0.7°C). Throughout the month of December, the nighttime temperature dips to an average of 18.7°F (-7.4°C).

Humidity

The average relative humidity in December in Martinsburg is 81%.

Rainfall

In Martinsburg, during December, the rain falls for 4.1 days and regularly aggregates up to 1.22" (31mm) of precipitation. Throughout the year, there are 122 rainfall days, and 21.61" (549mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Martinsburg. In Martinsburg, in December, during 8.4 snowfall days, 2.56" (65mm) of snow is typically accumulated. Throughout the year, there are 38 snowfall days, and 13.23" (336mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 7:38 am and sunset at 4:55 pm. On the last day of December, sunrise is at 7:56 am and sunset at 5:04 pm CST.

Sunshine

In Martinsburg, the average sunshine in December is 4.8h.

UV index

The average daily maximum UV index in December in Martinsburg is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

How cold is it in Martinsburg in December?

The average high-temperature, in December, in Martinsburg, is 30.7°F (-0.7°C), while the average low-temperature is 18.7°F (-7.4°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 87.8°F (31°C).

What is the average humidity in December in Martinsburg?

In Martinsburg, Nebraska, the average relative humidity in December is 81%.

How many days does it rain in December in Martinsburg?

In Martinsburg, in December, during 4.1 rainfall days, 1.22" (31mm) of precipitation is typically accumulated.

How much does it snow in Martinsburg in December?

In Martinsburg, in December, snow falls for 8.4 days, with typically accumulated 2.56" (65mm) of snow.

What is the month with the shortest days in Martinsburg?

With an average of 9h and 6min of daylight, December has the shortest days of the year.

How many hours of daylight does Martinsburg have in December?

In Martinsburg, Nebraska, the average day length in December is 9h and 7min.

When is the sunrise / sunset in December in Martinsburg?

On the first day of December in Martinsburg, Nebraska, sunrise is at 7:38 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 5:04 pm CST.

How long on average sun shines in December in Martinsburg?

The average sunshine duration in December in Martinsburg is 4.8h.

How high is the UV index in December in Martinsburg?

In Martinsburg, Nebraska, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat 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
Martinsburg, NE

Average temperature in December - Martinsburg, NE
  • Average high temperature in December: 30.7°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in December: 18.7°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).

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Average pressure in December
Martinsburg, NE

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in December
Martinsburg, NE

Average wind speed in December - Martinsburg, NE
  • Average wind speed in December: 10.2mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).

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Average humidity in December
Martinsburg, NE

Average humidity in December - Martinsburg, NE
  • Average humidity in December: 81%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (65%).

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Average rainfall in December
Martinsburg, NE

Average rainfall in December - Martinsburg, NE
  • Average rainfall in December: 1.22"

The wettest months (with the highest rainfall) are May and June (3.03").
The driest month (with the least rainfall) is February (0.67").

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Average rainfall days in December
Martinsburg, NE

Average rainfall days in December - Martinsburg, NE
  • Average rainfall days in December: 4.1 days

The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (3.3 days).

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Average snowfall in December
Martinsburg, NE

Average snowfall in December - Martinsburg, NE
  • Average snowfall in December: 2.56"

The month with the highest snowfall is January (2.95").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Martinsburg, NE

Average snowfall days in December - Martinsburg, NE
  • Average snowfall days in December: 8.4 days

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Martinsburg, 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 6min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

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Average sunshine days in December
Martinsburg, NE

Average sunshine days in December - Martinsburg, NE
  • Average sunshine days in December: 20.1 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (9.7 days).

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Average UV index in December
Martinsburg, NE

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

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

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Average cloud cover in December
Martinsburg, NE

Average cloud cover in December - Martinsburg, NE
  • Average cloud cover in December: 48

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 26).

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Average visibility in December
Martinsburg, NE

Average visibility in December - Martinsburg, 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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Martinsburg, Nebraska, USA

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