December weather forecast
Jacksonville, NC

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Weather in December

December brings the cold of winter back, with temperatures dipping to a low average of 43.3°F (6.3°C), creating a chilly atmosphere. The shorter, darker days and colder winds mark a sharp deviation from the early year weather pattern. However, humidity surprisingly experiences a small peak, recording at 77% in winter's grip. Even though there's a marginal drop in rainfall from November, December still sees 1.73" (44mm) average precipitation. Reflecting typical winter weather, December in Jacksonville underscores the year's end with its colder temperatures and shorter days.

Temperature

December in Jacksonville is characterized by a slight reduction in average high-temperature, easing from a refreshing 63.1°F (17.3°C) in November to a mild 57°F (13.9°C). In Jacksonville, December's nights observe an average temperature dip to a frosty 43.3°F (6.3°C).

Humidity

The months with the highest humidity are August, September and December, with an average relative humidity of 77%.

Rainfall

In Jacksonville, in December, it is raining for 10.2 days, with typically 1.73" (44mm) of accumulated precipitation. In Jacksonville, during the entire year, the rain falls for 158.7 days and collects up to 23.39" (594mm) of precipitation.

Snowfall

In Jacksonville, snow does not fall in March through December.

Daylight

With an average of 9h and 54min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:59 am and sunset at 4:58 pm. On the last day of December, sunrise is at 7:16 am and sunset at 5:09 pm EST.

Sunshine

The average sunshine in December is 5.6h.

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Jacksonville, North Carolina. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily high UV index of 3 in December leads to these guidelines:
Adopt protective measures - It is advised to guard against sun damage. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

What are the temperatures in Jacksonville in December?

In December, the average high-temperature and low-temperature in Jacksonville, North Carolina, are 57°F (13.9°C) and 43.3°F (6.3°C) respectively. In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 89.6°F (32°C).

What are the most humid months in Jacksonville?

August, September and December, with an average relative humidity of 77%, are most humid months.

What is the average humidity in December in Jacksonville?

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

How much does it rain in Jacksonville in December?

In Jacksonville, North Carolina, during December, the rain falls for 10.2 days and regularly aggregates up to 1.73" (44mm) of precipitation.

When it does not snow in Jacksonville?

March through December are months without snowfall in Jacksonville, North Carolina.

Does it snow in Jacksonville in December?

In Jacksonville, in December, it doesn't snow. In January, it regularly snows.

What is the month with the shortest days in Jacksonville?

The month with the shortest days in Jacksonville is December, with an average of 9h and 54min of daylight.

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

In December, the average day length is 9h and 52min.

When are sunrise and sunset in December in Jacksonville?

In December, on the first day of the month, sunrise is at 6:59 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:09 pm EST.

How many hours of sunshine does Jacksonville have in December?

In December, the average sunshine duration in Jacksonville, North Carolina, is 5.6h.

What are the months with the lowest UV index in Jacksonville?

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Jacksonville.

What is the UV index intensity in December in Jacksonville?

The average daily maximum UV index in December in Jacksonville is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
Average humidity
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
Jacksonville, NC

Average temperature in December - Jacksonville, NC
  • Average high temperature in December: 57°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (52.9°F).

  • Average low temperature in December: 43.3°F

The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).

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Average pressure in December
Jacksonville, NC

Average pressure in December - Jacksonville, NC
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in December
Jacksonville, NC

Average wind speed in December - Jacksonville, NC
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in December
Jacksonville, NC

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

The months with the highest relative humidity are August, September and December (77%).
The months with the lowest relative humidity are January, February, March and April (73%).

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Average rainfall in December
Jacksonville, NC

Average rainfall in December - Jacksonville, NC
  • Average rainfall in December: 1.73"

The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is January (0.94").

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Average rainfall days in December
Jacksonville, NC

Average rainfall days in December - Jacksonville, NC
  • Average rainfall days in December: 10.2 days

The month with the highest number of rainy days is August (21 days).
The month with the least rainy days is November (9.2 days).

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Average snowfall in December
Jacksonville, NC

Average snowfall in December - Jacksonville, NC
  • Average snowfall in December: 0"

The month with the highest snowfall is February (0.35").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in December
Jacksonville, NC

Average snowfall days in December - Jacksonville, NC
  • Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight in December /
Average sunshine in December
Jacksonville, NC

Average daylight in December / Average sunshine in December - Jacksonville, 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 54min).

  • Average sunshine in December: 5h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).

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Average sunshine days in December
Jacksonville, NC

Average sunshine days in December - Jacksonville, NC
  • Average sunshine days in December: 18.6 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is August (6.7 days).

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Average UV index in December
Jacksonville, NC

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

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in December
Jacksonville, NC

Average cloud cover in December - Jacksonville, NC
  • Average cloud cover in December: 40

The month with the most cloud cover is February (Cloud cover 41).
The months with the least cloud cover are June and July (Cloud cover 28).

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Average visibility in December
Jacksonville, NC

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

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