December weather forecast
Alert, NC

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Weather in December

The first month of the winter, December, is still a cool month in Alert, North Carolina, with an average temperature fluctuating between 37.6°F (3.1°C) and 52.2°F (11.2°C).

Temperature

December signals a slight drop in average high-temperature, sliding from November's moderate 58.8°F (14.9°C) to a cool 52.2°F (11.2°C). Alert's temperature in December lowers to a consistent average of 37.6°F (3.1°C) during the nights.

Humidity

The months with the highest humidity in Alert are May and December, with an average relative humidity of 77%.

Rainfall

In Alert, North Carolina, in December, it is raining for 10.6 days, with typically 2.44" (62mm) of accumulated precipitation. Throughout the year, there are 160.1 rainfall days, and 30.55" (776mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In Alert, in December, snow falls for 0.8 days, with typically accumulated 0.55" (14mm) of snow. Throughout the year, in Alert, there are 6 snowfall days, and 4.29" (109mm) of snow is accumulated.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year in Alert.
On the first day of December, sunrise is at 7:06 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:08 pm EST.

Sunshine

The months with the least sunshine are January and December, with an average of 5.5h of sunshine.

UV index

The average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 3 during December leads to these advisories:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Frequently asked questions

What is the average December temperature in Alert?

An average high-temperature, in December, in Alert, is 52.2°F (11.2°C) and the average low-temperature is 37.6°F (3.1°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is computed to be 86°F (30°C).

What is the most humid month in Alert?

May and December, with an average relative humidity of 77%, are most humid months in Alert, North Carolina.

What is the average humidity in December in Alert?

In Alert, North Carolina, the average relative humidity in December is 77%.

How much does it rain in Alert in December?

In Alert, North Carolina, during December, the rain falls for 10.6 days and regularly aggregates up to 2.44" (62mm) of precipitation.

How many days does it snow in December in Alert?

In Alert, North Carolina, during December, snow falls for 0.8 days and regularly aggregates up to 0.55" (14mm) of snow.

What is the month with the shortest days in Alert?

The month with the shortest days is December, with an average of 9h and 42min of daylight.

How many hours of daylight does Alert have in December?

The average day length in December is 9h and 44min.

When is the sunrise / sunset in December in Alert?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:58 pm. On the last day of the month, in Alert, sunrise is at 7:23 am and sunset at 5:08 pm EST.

What is the month with the least sunshine in Alert?

The months with the least sunshine in Alert, North Carolina, are January and December, with an average of 5.5h of sunshine.

How long on average sun shines in December in Alert?

In December, the average sunshine duration in Alert, North Carolina, is 5.5h.

How high is the UV index in December in Alert?

In December, the average daily maximum UV index in Alert is 3. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
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
Alert, NC

Average temperature in December - Alert, NC
  • Average high temperature in December: 52.2°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (47.5°F).

  • Average low temperature in December: 37.6°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (32°F).

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Average pressure in December
Alert, NC

Average pressure in December - Alert, NC
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in December
Alert, NC

Average wind speed in December - Alert, NC
  • Average wind speed in December: 6.6mph

The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in December
Alert, NC

Average humidity in December - Alert, NC
  • Average humidity in December: 77%

The months with the highest relative humidity are May and December (77%).
The month with the lowest relative humidity is July (73%).

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Average rainfall in December
Alert, NC

Average rainfall in December - Alert, NC
  • Average rainfall in December: 2.44"

The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is October (2.13").

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Average rainfall days in December
Alert, NC

Average rainfall days in December - Alert, NC
  • Average rainfall days in December: 10.6 days

The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is November (9.2 days).

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Average snowfall in December
Alert, NC

Average snowfall in December - Alert, NC
  • Average snowfall in December: 0.55"

The month with the highest snowfall is January (1.61").
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
Alert, NC

Average snowfall days in December - Alert, NC
  • Average snowfall days in December: 0.8 days

The month with the highest number of snowfall days is February (2.4 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
Alert, NC

Average daylight in December / Average sunshine in December - Alert, NC
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 5h and 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).

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Average sunshine days in December
Alert, NC

Average sunshine days in December - Alert, NC
  • Average sunshine days in December: 19.1 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index in December
Alert, NC

Average UV index in December - Alert, NC
  • Average UV index in December: 3

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

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Average cloud cover in December
Alert, NC

Average cloud cover in December - Alert, NC
  • Average cloud cover in December: 42

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 31).

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Average visibility in December
Alert, NC

Average visibility in December - Alert, 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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Alert, North Carolina, USA

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