December weather forecast
Highland Park, TX

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Weather in December

The first month of the winter, December, is still a refreshing month in Highland Park, Texas, with an average temperature fluctuating between 55.6°F (13.1°C) and 41.7°F (5.4°C).

Temperature

Transition from November to December is accompanied by a temperature drop, with average high-temperatures decreasing from a comfortable 64.6°F (18.1°C) to a moderate 55.6°F (13.1°C). December nights in Highland Park, Texas, experience a consistent temperature drop to a wintry 41.7°F (5.4°C).

Humidity

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

Rainfall

In Highland Park, in December, it is raining for 8.8 days, with typically 1.89" (48mm) of accumulated precipitation. In Highland Park, during the entire year, the rain falls for 141.2 days and collects up to 30.12" (765mm) of precipitation.

Snowfall

January, February, November and December are months with snowfall. In Highland Park, in December, during 0.4 snowfall days, 0.08" (2mm) of snow is typically accumulated. In Highland Park, during the entire year, snow falls for 2.2 days and aggregates up to 0.71" (18mm) of snow.

Daylight

December has the shortest days of the year in Highland Park, Texas, with an average of 10h and 0min of daylight.
On the first day of December, sunrise is at 7:12 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:29 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

The months with the lowest UV index in Highland Park are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 3 in December translates into these instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Frequently asked questions

What is the average December temperature in Highland Park?

The high-temperature, in December, in Highland Park, is 55.6°F (13.1°C), while the low-temperature averages to 41.7°F (5.4°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is evaluated at 95°F (35°C).

What is the average humidity in December in Highland Park?

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

How much does it rain in Highland Park in December?

In Highland Park, during December, the rain falls for 8.8 days and regularly aggregates up to 1.89" (48mm) of precipitation.

How many days does it snow in December in Highland Park?

In Highland Park, Texas, during December, snow falls for 0.4 days and regularly aggregates up to 0.08" (2mm) of snow.

What is the month with the shortest days in Highland Park?

The month with the shortest days is December, with an average of 10h and 0min of daylight.

What is the average length of the day in December in Highland Park?

In December, the average day length in Highland Park is 10h and 2min.

When are sunrise and sunset in December in Highland Park?

In December, on the first day of the month, sunrise is at 7:12 am and sunset at 5:20 pm. On the last day of the month, in Highland Park, sunrise is at 7:29 am and sunset at 5:31 pm CST.

What is the month with the least sunshine in Highland Park?

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

How many hours of sunshine does Highland Park have in December?

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

What is the month with the lowest UV index in Highland Park?

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Highland Park.

What is the UV index intensity in December in Highland Park?

In December, the average daily maximum UV index in Highland Park is 3. A UV Index of 3 to 5 symbolizes a medium health risk from 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
Highland Park, TX

Average temperature in December - Highland Park, TX
  • Average high temperature in December: 55.6°F

The warmest month (with the highest average high temperature) is August (96.1°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 (77.2°F).
The coldest month (with the lowest average low temperature) is January (39.2°F).

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Average pressure in December
Highland Park, TX

Average pressure in December - Highland Park, 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 (29.91"Hg).

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Average wind speed in December
Highland Park, TX

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

The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).

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Average humidity in December
Highland Park, TX

Average humidity in December - Highland Park, TX
  • Average humidity in December: 68%

The month with the highest relative humidity is May (72%).
The month with the lowest relative humidity is August (55%).

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Average rainfall in December
Highland Park, TX

Average rainfall in December - Highland Park, TX
  • Average rainfall in December: 1.89"

The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is February (1.61").

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Average rainfall days in December
Highland Park, TX

Average rainfall days in December - Highland Park, TX
  • Average rainfall days in December: 8.8 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (6.7 days).

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Average snowfall in December
Highland Park, TX

Average snowfall in December - Highland Park, TX
  • Average snowfall in December: 0.08"

The month with the highest snowfall is February (0.43").
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
Highland Park, TX

Average snowfall days in December - Highland Park, TX
  • Average snowfall days in December: 0.4 days

The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Highland Park, TX

Average daylight in December / Average sunshine in December - Highland Park, 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 month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

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Average sunshine days in December
Highland Park, TX

Average sunshine days in December - Highland Park, TX
  • Average sunshine days in December: 20.4 days

The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is May (12.2 days).

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Average UV index in December
Highland Park, TX

Average UV index in December - Highland Park, TX
  • Average UV index in December: 3

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

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Average cloud cover in December
Highland Park, TX

Average cloud cover in December - Highland Park, TX
  • Average cloud cover in December: 37

The months with the most cloud cover are February and March (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 20).

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Average visibility in December
Highland Park, TX

Average visibility in December - Highland Park, 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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Highland Park, Texas, USA

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