December weather forecast
Sunset Valley, TX

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Weather in December

December, the first month of the winter in Sunset Valley, is also a moderate month, with an average temperature fluctuating between 45.1°F (7.3°C) and 60.3°F (15.7°C).

Temperature

With the onset of December, Sunset Valley experiences a modest temperature adjustment, with the average high-temperature gently receding from a refreshing 67.6°F (19.8°C) in November to a mild 60.3°F (15.7°C). Throughout December, the nighttime temperature in Sunset Valley averages to a frosty 45.1°F (7.3°C).

Humidity

In Sunset Valley, the average relative humidity in December is 70%.

Rainfall

In Sunset Valley, during December, the rain falls for 9.7 days and regularly aggregates up to 1.26" (32mm) of precipitation. In Sunset Valley, during the entire year, the rain falls for 142.7 days and collects up to 21.5" (546mm) of precipitation.

Snowfall

March through October and December are months without snowfall in Sunset Valley.

Daylight

The month with the shortest days in Sunset Valley is December, with an average of 10h and 12min of daylight.
On the first day of December, sunrise is at 7:10 am and sunset at 5:30 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:41 pm CST.

Sunshine

The month with the least sunshine in Sunset Valley is December, with an average of 5.3h of sunshine.

UV index

The month with the lowest UV index in Sunset Valley is December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 3 transforms into these recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
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Frequently asked questions

What is the usual temperature for Sunset Valley in December?

The high-temperature, in December, in Sunset Valley, records 60.3°F (15.7°C), while the low-temperature is 45.1°F (7.3°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in September is estimated at 100.4°F (38°C).

What is the average humidity in December in Sunset Valley?

In December, the average relative humidity is 70%.

How much does it rain in Sunset Valley in December?

In Sunset Valley, during December, the rain falls for 9.7 days and regularly aggregates up to 1.26" (32mm) of precipitation.

When it does not snow in Sunset Valley?

In Sunset Valley, snow does not fall in March through October and December.

Does it snow in Sunset Valley in December?

In December, in Sunset Valley, it doesn't snow. November is the latest month when it typically snows.

What is the month with the shortest days in Sunset Valley?

December has the shortest days of the year, with an average of 10h and 12min of daylight.

What is the average length of the day in December in Sunset Valley?

In Sunset Valley, the average day length in December is 10h and 14min.

What time are sunrise and sunset in December in Sunset Valley?

On the first day of December in Sunset Valley, sunrise is at 7:10 am and sunset at 5:30 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:41 pm CST.

What is the month with the least sunshine in Sunset Valley?

The month with the least sunshine in Sunset Valley, Texas, is December, with an average of 5.3h of sunshine.

How many hours of sunshine does Sunset Valley have in December?

The average sunshine duration in December in Sunset Valley is 5.3h.

When is the lowest UV index in Sunset Valley?

December is the month with the lowest UV index in Sunset Valley, Texas, with an average maximum UV index of 3.

What is the UV index reading in December in Sunset Valley?

In Sunset Valley, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Sunset Valley, TX

Average temperature in December - Sunset Valley, TX
  • Average high temperature in December: 60.3°F

The warmest month (with the highest average high temperature) is August (96.4°F).
The month with the lowest average high temperature is January (59.4°F).

  • Average low temperature in December: 45.1°F

The month with the highest average low temperature is August (75.4°F).
The coldest month (with the lowest average low temperature) is January (42.6°F).

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Average pressure in December
Sunset Valley, TX

Average pressure in December - Sunset Valley, TX
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in December
Sunset Valley, TX

Average wind speed in December - Sunset Valley, TX
  • Average wind speed in December: 8mph

The windiest month (with the highest average wind speed) is March (9.2mph).
The calmest month (with the lowest average wind speed) is September (6.2mph).

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Average humidity in December
Sunset Valley, TX

Average humidity in December - Sunset Valley, TX
  • Average humidity in December: 70%

The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (59%).

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Average rainfall in December
Sunset Valley, TX

Average rainfall in December - Sunset Valley, TX
  • Average rainfall in December: 1.26"

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.91").

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Average rainfall days in December
Sunset Valley, TX

Average rainfall days in December - Sunset Valley, TX
  • Average rainfall days in December: 9.7 days

The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (8.2 days).

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Average snowfall days in December
Sunset Valley, TX

Average snowfall days in December - Sunset Valley, TX
  • Average snowfall days in December: 0 days

The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and December (0 days).

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Average daylight in December /
Average sunshine in December
Sunset Valley, TX

Average daylight in December / Average sunshine in December - Sunset Valley, TX
  • Average daylight in December: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in December: 5h and 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days in December
Sunset Valley, TX

Average sunshine days in December - Sunset Valley, TX
  • Average sunshine days in December: 18.6 days

The month with the most sunshine days is January (20.5 days).
The month with the least sunshine days is May (11.1 days).

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Average UV index in December
Sunset Valley, TX

Average UV index in December - Sunset Valley, 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
Sunset Valley, TX

Average cloud cover in December - Sunset Valley, TX
  • Average cloud cover in December: 41

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 24).

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Average visibility in December
Sunset Valley, TX

Average visibility in December - Sunset Valley, 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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Sunset Valley, Texas, USA

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