December weather forecast
Mount Mourne, NC

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Weather in December

The first month of the winter, December, is also a fresh month in Mount Mourne, North Carolina, with an average temperature varying between 36.5°F (2.5°C) and 51.3°F (10.7°C).

Temperature

With the arrival of December, Mount Mourne notices a mild change in the average high-temperature, sliding from November's mild 58.3°F (14.6°C) to a cool 51.3°F (10.7°C). In December, Mount Mourne records an average nighttime temperature of 36.5°F (2.5°C).

Humidity

May and December, with an average relative humidity of 76%, are the most humid months in Mount Mourne.

Rainfall

In Mount Mourne, in December, during 11.2 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. Throughout the year, there are 161.6 rainfall days, and 32.91" (836mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. The month with the most snowfall is December, when snow falls for 0.8 days and typically aggregates up to 2.13" (54mm) of snow.

Daylight

The month with the shortest days in Mount Mourne is December, with an average of 9h and 48min of daylight.
On the first day of December, sunrise is at 7:14 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:20 pm EST.

Sunshine

The month with the least sunshine in Mount Mourne, North Carolina, is December, with an average of 5.3h of sunshine.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Mount Mourne. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 2 suggests this advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Frequently asked questions

What is the temperature in December in Mount Mourne?

In December, the average high-temperature and low-temperature in Mount Mourne, North Carolina, are 51.3°F (10.7°C) and 36.5°F (2.5°C) respectively. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in September is appraised at 87.8°F (31°C).

What are the most humid months in Mount Mourne?

The months with the highest humidity in Mount Mourne are May and December, with an average relative humidity of 76%.

What is the average humidity in December in Mount Mourne?

In Mount Mourne, North Carolina, the average relative humidity in December is 76%.

How many days does it rain in December in Mount Mourne?

In Mount Mourne, during December, the rain falls for 11.2 days and regularly aggregates up to 3.23" (82mm) of precipitation.

When does it snow the most in Mount Mourne?

December is the month with the most snowfall in Mount Mourne. Snow falls for 0.8 days and accumulates 2.13" (54mm) of snow.

How many days does it snow in December in Mount Mourne?

In Mount Mourne, in December, during 0.8 snowfall days, 2.13" (54mm) of snow is typically accumulated.

What is the month with the shortest days in Mount Mourne?

With an average of 9h and 48min of daylight, December has the shortest days of the year in Mount Mourne.

How many hours of daylight does Mount Mourne have in December?

In Mount Mourne, the average day length in December is 9h and 48min.

When are sunrise and sunset in December in Mount Mourne?

On the first day of December in Mount Mourne, sunrise is at 7:14 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:20 pm EST.

What is the month with the least sunshine in Mount Mourne?

December has the least sunshine of the year in Mount Mourne, with an average of 5.3h of sunshine.

How long on average sun shines in December in Mount Mourne?

The average sunshine duration in December in Mount Mourne is 5.3h.

When is the lowest UV index in Mount Mourne?

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

What is the UV index reading in December in Mount Mourne?

The average daily maximum UV index in December in Mount Mourne is 2. A UV Index estimate of 2, and below, represents a low health threat from unprotected exposure to 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
Mount Mourne, NC

Average temperature in December - Mount Mourne, NC
  • Average high temperature in December: 51.3°F

The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (46.9°F).

  • Average low temperature in December: 36.5°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

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Average pressure in December
Mount Mourne, NC

Average pressure in December - Mount Mourne, NC
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in December
Mount Mourne, NC

Average wind speed in December - Mount Mourne, NC
  • Average wind speed in December: 6mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in December
Mount Mourne, NC

Average humidity in December - Mount Mourne, NC
  • Average humidity in December: 76%

The months with the highest relative humidity are May and December (76%).
The month with the lowest relative humidity is July (70%).

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Average rainfall in December
Mount Mourne, NC

Average rainfall in December - Mount Mourne, NC
  • Average rainfall in December: 3.23"

The wettest month (with the highest rainfall) is April (3.46").
The driest month (with the least rainfall) is October (2.13").

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Average rainfall days in December
Mount Mourne, NC

Average rainfall days in December - Mount Mourne, NC
  • Average rainfall days in December: 11.2 days

The month with the highest number of rainy days is August (18 days).
The month with the least rainy days is November (9.2 days).

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Average snowfall in December
Mount Mourne, NC

Average snowfall in December - Mount Mourne, NC
  • Average snowfall in December: 2.13"

The month with the highest snowfall is December (2.13").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Mount Mourne, NC

Average snowfall days in December - Mount Mourne, NC
  • Average snowfall days in December: 0.8 days

The month with the highest number of snowfall days is February (2.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Mount Mourne, NC

Average daylight in December / Average sunshine in December - Mount Mourne, NC
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days in December
Mount Mourne, NC

Average sunshine days in December - Mount Mourne, NC
  • Average sunshine days in December: 17.2 days

The months with the most sunshine days are October and November (19.2 days).
The month with the least sunshine days is August (10.9 days).

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Average UV index in December
Mount Mourne, NC

Average UV index in December - Mount Mourne, NC
  • Average UV index in December: 2

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

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Average cloud cover in December
Mount Mourne, NC

Average cloud cover in December - Mount Mourne, NC
  • Average cloud cover in December: 43

The months with the most cloud cover are February and December (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 30).

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Average visibility in December
Mount Mourne, NC

Average visibility in December - Mount Mourne, NC
  • 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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Mount Mourne, North Carolina, USA

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