December weather forecast
Durham, NC

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The amazing skyscape of Durham City in North Carolina
The amazing skyscape of Durham City in North Carolina

Weather in December

As winter takes hold in December, the weather in Durham, North Carolina, becomes markedly colder, with temperatures dropping to a high of 51.8°F (11°C) and a low of 37°F (2.8°C). This month witnesses snowfall of 0.51" (13mm), the first significant snowfall since February, indicating the start of the winter season. While sunshine hours reduce, daylight hours drop to the minimum level of the year at 9.8 hours. The weather in December is characterized by cold, windy conditions with increased humidity, setting the scene for a chilly end of the year.

Temperature

In Durham, the average high-temperature in December slightly decreases from a moderate 58.8°F (14.9°C) in November to a cool 51.8°F (11°C). In Durham, the average temperature during the nights of December drops to a wintry 37°F (2.8°C).

Humidity

December is the most humid month, with an average relative humidity of 77%.

Rainfall

In December, the rain falls for 10 days. Throughout December, 2.09" (53mm) of precipitation is accumulated. Throughout the year, in Durham, North Carolina, there are 150.7 rainfall days, and 29.41" (747mm) of precipitation is accumulated.

Snowfall

January through March and December are months with snowfall in Durham, North Carolina. December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 0.51" (13mm) of snow. In Durham, during the entire year, snow falls for 5.2 days and aggregates up to 4.41" (112mm) of snow.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year.
On the first day of December in Durham, North Carolina, sunrise is at 7:08 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:11 pm EST.

Sunshine

December has the least sunshine of the year in Durham, with an average of 5.4h of sunshine.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Durham. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 2 during December translates into these guidelines:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Frequently asked questions

What is the temperature in December in Durham?

The average high-temperature and low-temperature during December are 51.8°F (11°C) and 37°F (2.8°C) respectively. In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is evaluated at 87.8°F (31°C).

What is the most humid month in Durham?

The most humid month is December, with an average relative humidity of 77%.

What is the average humidity in December in Durham?

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

How many days does it rain in December in Durham?

In Durham, in December, during 10 rainfall days, 2.09" (53mm) of precipitation is typically accumulated.

When does it start to snow in Durham?

December is the first month it typically snows in Durham, North Carolina. Throughout December, in the average 0.5 snowfall days, it receives 0.51" (13mm) of snow.

What is the month with the shortest days in Durham?

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

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

In Durham, the average day length in December is 9h and 46min.

When is the sunrise / sunset in December in Durham?

In December, on the first day of the month, sunrise is at 7:08 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:11 pm EST.

What is the month with the least sunshine in Durham?

The month with the least sunshine in Durham is December, with an average of 5.4h of sunshine.

How long on average sun shines in December in Durham?

In Durham, the average sunshine duration in December is 5.4h.

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

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

What is the UV index intensity in December in Durham?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Durham, NC

Average temperature in December - Durham, NC
  • Average high temperature in December: 51.8°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (47.7°F).

  • Average low temperature in December: 37°F

The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).

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Average pressure in December
Durham, NC

Average pressure in December - Durham, NC
  • Average pressure in December: 30.14"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
Durham, NC

Average wind speed in December - Durham, NC
  • Average wind speed in December: 6.2mph

The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in December
Durham, NC

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

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (71%).

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Average rainfall in December
Durham, NC

Average rainfall in December - Durham, NC
  • Average rainfall in December: 2.09"

The wettest month (with the highest rainfall) is August (3.19").
The driest month (with the least rainfall) is October (1.89").

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Average rainfall days in December
Durham, NC

Average rainfall days in December - Durham, NC
  • Average rainfall days in December: 10 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (7.7 days).

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Average snowfall in December
Durham, NC

Average snowfall in December - Durham, NC
  • Average snowfall in December: 0.51"

The month with the highest snowfall is January (1.93").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Durham, NC

Average snowfall days in December - Durham, NC
  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is February (2.3 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
Durham, NC

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

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 48min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

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Average sunshine days in December
Durham, NC

Average sunshine days in December - Durham, NC
  • Average sunshine days in December: 19.9 days

The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is July (11.9 days).

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Average UV index in December
Durham, NC

Average UV index in December - Durham, 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
Durham, NC

Average cloud cover in December - Durham, NC
  • Average cloud cover in December: 43

The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 32).

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Average visibility in December
Durham, NC

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

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