December weather forecast
Carrollton, TX

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Weather in December

December brings winter to Carrollton, Texas, with the coolest monthly temperatures and the shortest day length. Snowfall emerges for the first time in the year, but it is infrequent and light. Frosty conditions dominate with cold winds adding to the chill. As temperatures reach the year’s lowest average, they rarely exceed 55.4°F (13°C) or dip below 41.7°F (5.4°C). Despite being the coldest month, Carrollton’s weather remains comfortable enough for residents to enjoy winter holiday celebrations and outdoor activities.

Temperature

The advent of December in Carrollton brings a slight shift in average high-temperature, moving from a refreshing 64.2°F (17.9°C) in November to a mild 55.4°F (13°C). During December, Carrollton observes a consistent average nighttime temperature of 41.7°F (5.4°C).

Humidity

In Carrollton, the average relative humidity in December is 68%.

Rainfall

In Carrollton, in December, it is raining for 9.4 days, with typically 2.05" (52mm) of accumulated precipitation. In Carrollton, during the entire year, the rain falls for 142.4 days and collects up to 31.3" (795mm) of precipitation.

Snowfall

January, February, November and December are months with snowfall in Carrollton. In Carrollton, during December, snow falls for 0.3 days and regularly aggregates up to 0.12" (3mm) of snow. In Carrollton, Texas, during the entire year, snow falls for 2.4 days and aggregates up to 0.94" (24mm) of snow.

Daylight

The month with the shortest days is December, with an average of 10h and 0min of daylight.
On the first day of the month, sunrise is at 7:12 am and sunset at 5:20 pm. On the last day of December, in Carrollton, sunrise is at 7:30 am and sunset at 5:31 pm CST.

Sunshine

With an average of 5.6h of sunshine, December has the least sunshine of the year.

UV index

December is the month with the lowest UV index in Carrollton, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, an average UV index of 3 transforms into the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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Frequently asked questions

What is the usual temperature for Carrollton in December?

The high-temperature, in December, in Carrollton, is 55.4°F (13°C), while the low-temperature averages to 41.7°F (5.4°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 96.8°F (36°C).

What is the average humidity in December in Carrollton?

The average relative humidity in December in Carrollton, Texas, is 68%.

How much does it rain in Carrollton in December?

In Carrollton, Texas, in December, during 9.4 rainfall days, 2.05" (52mm) of precipitation is typically accumulated.

How much does it snow in Carrollton in December?

In Carrollton, in December, snow falls for 0.3 days, with typically accumulated 0.12" (3mm) of snow.

What is the month with the shortest days in Carrollton?

December has the shortest days of the year in Carrollton, with an average of 10h and 0min of daylight.

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

In Carrollton, Texas, the average day length in December is 10h and 1min.

When is the sunrise / sunset in December in Carrollton?

On the first day of December in Carrollton, sunrise is at 7:12 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:31 pm CST.

What is the month with the least sunshine in Carrollton?

The month with the least sunshine in Carrollton is December, with an average of 5.6h of sunshine.

How long on average sun shines in December in Carrollton?

In December, the average sunshine duration in Carrollton, Texas, is 5.6h.

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

December is the month with the lowest UV index, with an average maximum UV index of 3.

How high is the UV index in December in Carrollton?

The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium 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
Carrollton, TX

Average temperature in December - Carrollton, TX
  • Average high temperature in December: 55.4°F

The warmest month (with the highest average high temperature) is August (96.3°F).
The month with the lowest average high temperature is January (54.3°F).

  • Average low temperature in December: 41.7°F

The month with the highest average low temperature is August (77°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).

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Average pressure in December
Carrollton, TX

Average pressure in December - Carrollton, TX
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in December
Carrollton, TX

Average wind speed in December - Carrollton, TX
  • Average wind speed in December: 8.5mph

The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is September (6.7mph).

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Average humidity in December
Carrollton, TX

Average humidity in December - Carrollton, TX
  • Average humidity in December: 68%

The month with the highest relative humidity is May (71%).
The month with the lowest relative humidity is August (54%).

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Average rainfall in December
Carrollton, TX

Average rainfall in December - Carrollton, TX
  • Average rainfall in December: 2.05"

The wettest month (with the highest rainfall) is October (4.02").
The driest month (with the least rainfall) is February (1.73").

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Average rainfall days in December
Carrollton, TX

Average rainfall days in December - Carrollton, TX
  • Average rainfall days in December: 9.4 days

The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is January (6.6 days).

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Average snowfall in December
Carrollton, TX

Average snowfall in December - Carrollton, TX
  • Average snowfall in December: 0.12"

The month with the highest snowfall is February (0.59").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").

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Average snowfall days in December
Carrollton, TX

Average snowfall days in December - Carrollton, TX
  • Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is February (1.1 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
Carrollton, TX

Average daylight in December / Average sunshine in December - Carrollton, TX
  • Average daylight in December: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 5h and 4min

The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

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Average sunshine days in December
Carrollton, TX

Average sunshine days in December - Carrollton, TX
  • Average sunshine days in December: 20 days

The month with the most sunshine days is January (23 days).
The month with the least sunshine days is September (13.8 days).

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Average UV index in December
Carrollton, TX

Average UV index in December - Carrollton, TX
  • Average UV index in December: 3

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in December
Carrollton, TX

Average cloud cover in December - Carrollton, TX
  • Average cloud cover in December: 37

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 20).

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Average visibility in December
Carrollton, TX

Average visibility in December - Carrollton, TX
  • 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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Carrollton, Texas, USA

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