December weather forecast
Red Rock, TX

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Weather in December

December, the first month of the winter in Red Rock, is still a mild month, with an average temperature varying between 45.5°F (7.5°C) and 60.1°F (15.6°C).

Temperature

December is marked by a subtle drop in average high-temperatures, transitioning from an agreeable 68.4°F (20.2°C) in November to a refreshing 60.1°F (15.6°C). In Red Rock, an average nighttime temperature of 45.5°F (7.5°C) is expected during December.

Humidity

In December, the average relative humidity is 73%.

Rainfall

In Red Rock, in December, during 9.5 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. Throughout the year, in Red Rock, there are 141.3 rainfall days, and 18.86" (479mm) of precipitation is accumulated.

Snowfall

January and December are months with snowfall in Red Rock. December is the first month it typically snows in Red Rock. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 0.9 snowfall days, and 0.16" (4mm) of snow is accumulated.

Daylight

With an average of 10h and 18min of daylight, December has the shortest days of the year.
On the first day of December in Red Rock, sunrise is at 7:08 am and sunset at 5:29 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:40 pm CST.

Sunshine

December has the least sunshine of the year in Red Rock, with an average of 5.2h of sunshine.

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 3 during December leads to these instructions:
Prioritize safety - Recommendations to avert sunburn are shared. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Opt for tightly woven and loose clothing to enhance protection from the Sun. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Frequently asked questions

What is the usual temperature for Red Rock in December?

Red Rock in December has an average high-temperature of 60.1°F (15.6°C) and an average low-temperature of 45.5°F (7.5°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in September is calculated to be 102.2°F (39°C).

What is the average humidity in December in Red Rock?

The average relative humidity in December in Red Rock, Texas, is 73%.

How much does it rain in Red Rock in December?

In Red Rock, during December, the rain falls for 9.5 days and regularly aggregates up to 1.14" (29mm) of precipitation.

When does it start to snow in Red Rock?

December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days in Red Rock?

December has the shortest days of the year in Red Rock, Texas, with an average of 10h and 18min of daylight.

How many hours of daylight does Red Rock have in December?

The average day length in December in Red Rock is 10h and 16min.

When is the sunrise / sunset in December in Red Rock?

On the first day of December in Red Rock, sunrise is at 7:08 am and sunset at 5:29 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:40 pm CST.

What is the month with the least sunshine in Red Rock?

The month with the least sunshine in Red Rock is December, with an average of 5.2h of sunshine.

How many hours of sunshine does Red Rock have in December?

The average sunshine duration in December in Red Rock is 5.2h.

What is the month with the lowest UV index in Red Rock?

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

What is the UV index intensity in December in Red Rock?

In December, the average daily maximum UV index in Red Rock, Texas, is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
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
Red Rock, TX

Average temperature in December - Red Rock, TX
  • Average high temperature in December: 60.1°F

The warmest month (with the highest average high temperature) is August (96.8°F).
The month with the lowest average high temperature is January (59°F).

  • Average low temperature in December: 45.5°F

The month with the highest average low temperature is August (75°F).
The coldest month (with the lowest average low temperature) is January (43.3°F).

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Average pressure in December
Red Rock, TX

Average pressure in December - Red Rock, TX
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in December
Red Rock, TX

Average wind speed in December - Red Rock, TX
  • Average wind speed in December: 8mph

The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest month (with the lowest average wind speed) is September (6mph).

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Average humidity in December
Red Rock, TX

Average humidity in December - Red Rock, TX
  • Average humidity in December: 73%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (63%).

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Average rainfall in December
Red Rock, TX

Average rainfall in December - Red Rock, TX
  • Average rainfall in December: 1.14"

The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is February (0.71").

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Average rainfall days in December
Red Rock, TX

Average rainfall days in December - Red Rock, TX
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is September (15.5 days).
The month with the least rainy days is January (8.6 days).

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Average snowfall in December
Red Rock, TX

Average snowfall in December - Red Rock, TX
  • Average snowfall in December: 0.04"

The month with the highest snowfall is January (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Red Rock, TX

Average snowfall days in December - Red Rock, TX
  • Average snowfall days in December: 0.2 days

The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in December /
Average sunshine in December
Red Rock, TX

Average daylight in December / Average sunshine in December - Red Rock, TX
  • Average daylight in December: 10h and 2min

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

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

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Average sunshine days in December
Red Rock, TX

Average sunshine days in December - Red Rock, TX
  • Average sunshine days in December: 18.7 days

The month with the most sunshine days is January (19.9 days).
The month with the least sunshine days is June (10.9 days).

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Average UV index in December
Red Rock, TX

Average UV index in December - Red Rock, TX
  • Average UV index in December: 3

The months with the highest UV index are 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
Red Rock, TX

Average cloud cover in December - Red Rock, TX
  • Average cloud cover in December: 44

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 26).

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Average visibility in December
Red Rock, TX

Average visibility in December - Red Rock, 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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Red Rock, Texas, USA

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