December weather forecast
Dallas, NC

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Weather in December

December, the first month of the winter in Dallas, is still a cool month, with an average temperature fluctuating between 37.6°F (3.1°C) and 51.8°F (11°C).

Temperature

December brings a minor shift in the average high-temperature, adjusting from a moderate 58.8°F (14.9°C) in November to a fresh 51.8°F (11°C). In Dallas, December nights witness a steady temperature drop to a cold 37.6°F (3.1°C).

Humidity

December is the most humid month in Dallas, with an average relative humidity of 76%.

Rainfall

In Dallas, during December, the rain falls for 11.1 days and regularly aggregates up to 3.03" (77mm) of precipitation. In Dallas, during the entire year, the rain falls for 158.9 days and collects up to 31.26" (794mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. December is the month with the most snowfall in Dallas. Snow falls for 0.6 days and accumulates 2.01" (51mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 7:15 am and sunset at 5:12 pm. On the last day of December, sunrise is at 7:33 am and sunset at 5:22 pm EST.

Sunshine

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

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 2 in December transforms into this advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

What is the usual temperature for Dallas in December?

In Dallas, 51.8°F (11°C) is the average high-temperature and 37.6°F (3.1°C) is the average low-temperature during December. In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is appraised at 87.8°F (31°C).

What is the most humid month in Dallas?

The most humid month in Dallas is December, with an average relative humidity of 76%.

What is the average humidity in December in Dallas?

The average relative humidity in December is 76%.

How much does it rain in Dallas in December?

In Dallas, during December, the rain falls for 11.1 days and regularly aggregates up to 3.03" (77mm) of precipitation.

When does it snow the most in Dallas?

December is the month with the most snowfall. Snow falls for 0.6 days and accumulates 2.01" (51mm) of snow.

How many days does it snow in December in Dallas?

In Dallas, during December, snow falls for 0.6 days and regularly aggregates up to 2.01" (51mm) of snow.

What is the month with the shortest days in Dallas?

The month with the shortest days in Dallas is December, with an average of 9h and 48min of daylight.

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

The average day length in December in Dallas is 9h and 49min.

When are sunrise and sunset in December in Dallas?

In December, on the first day of the month, sunrise is at 7:15 am and sunset at 5:12 pm. On the last day of the month, in Dallas, North Carolina, sunrise is at 7:33 am and sunset at 5:22 pm EST.

What is the month with the least sunshine in Dallas?

With an average of 5.3h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December in Dallas?

The average sunshine duration in December is 5.3h.

What is the month with the lowest UV index in Dallas?

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 Dallas?

In Dallas, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Dallas, NC

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

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (47.8°F).

  • Average low temperature in December: 37.6°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).

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Average pressure in December
Dallas, NC

Average pressure in December - Dallas, 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
Dallas, NC

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

The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in December
Dallas, NC

Average humidity in December - Dallas, NC
  • Average humidity in December: 76%

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

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Average rainfall in December
Dallas, NC

Average rainfall in December - Dallas, NC
  • Average rainfall in December: 3.03"

The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is October (1.93").

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Average rainfall days in December
Dallas, NC

Average rainfall days in December - Dallas, NC
  • Average rainfall days in December: 11.1 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall in December
Dallas, NC

Average snowfall in December - Dallas, NC
  • Average snowfall in December: 2.01"

The month with the highest snowfall is December (2.01").
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
Dallas, NC

Average snowfall days in December - Dallas, NC
  • Average snowfall days in December: 0.6 days

The month with the highest number of snowfall days is February (1.8 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
Dallas, NC

Average daylight in December / Average sunshine in December - Dallas, 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
Dallas, NC

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

The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (10.6 days).

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Average UV index in December
Dallas, NC

Average UV index in December - Dallas, 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
Dallas, NC

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

The month with the most cloud cover is 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
Dallas, NC

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

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