December weather forecast
Royalty, TX

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Weather in December

December, the first month of the winter in Royalty, is also a moderate month, with an average temperature ranging between min 40.5°F (4.7°C) and max 58.3°F (14.6°C).

Temperature

December is the month that records the lowest temperatures, with averages ranging from a high of 58.3°F (14.6°C) to a low of 40.5°F (4.7°C).

Humidity

The months with the highest humidity are September and December, with an average relative humidity of 49%.

Rainfall

In Royalty, in December, during 2.5 rainfall days, 0.28" (7mm) of precipitation is typically accumulated. Throughout the year, there are 63.3 rainfall days, and 6.61" (168mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. The months with the most snowfall in Royalty are November and December, with an average 0.31" (8mm) of accumulated snow.

Daylight

December has the shortest days of the year in Royalty, with an average of 10h and 6min of daylight.
On the first day of December, sunrise is at 7:33 am and sunset at 5:48 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:59 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 7h of sunshine.

UV index

The month with the lowest UV index in Royalty is December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year in Royalty?

December, characterized by an average high temperature of 58.3°F (14.6°C) and a low temperature of 40.5°F (4.7°C), is generally the coldest month in Royalty.

What are December temperatures in Royalty?

The high-temperature during December is 58.3°F (14.6°C) and the low-temperature is 40.5°F (4.7°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is calculated to be 89.6°F (32°C).

What is the most humid month in Royalty?

September and December, with an average relative humidity of 49%, are most humid months.

What is the average humidity in December in Royalty?

The average relative humidity in December in Royalty is 49%.

How many days does it rain in December in Royalty?

In Royalty, in December, it is raining for 2.5 days, with typically 0.28" (7mm) of accumulated precipitation.

What is the snowiest month in Royalty?

The months with the most snowfall are November and December, with an average 0.31" (8mm) of accumulated snow.

How many days does it snow in December in Royalty?

In Royalty, Texas, in December, snow falls for 1 days, with typically accumulated 0.31" (8mm) of snow.

What is the month with the shortest days in Royalty?

With an average of 10h and 6min of daylight, December has the shortest days of the year in Royalty, Texas.

How many hours of daylight does Royalty have in December?

In December, the average day length in Royalty, Texas, is 10h and 9min.

When are sunrise and sunset in December in Royalty?

In December, on the first day of the month, sunrise is at 7:33 am and sunset at 5:48 pm. On the last day of the month, in Royalty, sunrise is at 7:50 am and sunset at 5:59 pm CST.

What is the month with the least sunshine in Royalty?

With an average of 7h of sunshine, December has the least sunshine of the year in Royalty, Texas.

How long on average sun shines in December in Royalty?

In Royalty, the average sunshine duration in December is 7h.

When is the lowest UV index in Royalty?

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

What is the UV index intensity in December in Royalty?

The average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Royalty, TX

Average temperature in December - Royalty, TX
  • Average high temperature in December: 58.3°F

The warmest month (with the highest average high temperature) is June (96.4°F).
The month with the lowest average high temperature is December (58.3°F).

  • Average low temperature in December: 40.5°F

The month with the highest average low temperature is August (77°F).
The coldest month (with the lowest average low temperature) is January (39.4°F).

Average pressure in December
Royalty, TX

Average pressure in December - Royalty, TX
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in December
Royalty, TX

Average wind speed in December - Royalty, TX
  • Average wind speed in December: 8.9mph

The windiest month (with the highest average wind speed) is June (13.2mph).
The calmest month (with the lowest average wind speed) is December (8.9mph).

Average humidity in December
Royalty, TX

Average humidity in December - Royalty, TX
  • Average humidity in December: 49%

The months with the highest relative humidity are September and December (49%).
The month with the lowest relative humidity is April (31%).

Average rainfall in December
Royalty, TX

Average rainfall in December - Royalty, TX
  • Average rainfall in December: 0.28"

The wettest month (with the highest rainfall) is May (1.1").
The driest month (with the least rainfall) is February (0.08").

Average rainfall days in December
Royalty, TX

Average rainfall days in December - Royalty, TX
  • Average rainfall days in December: 2.5 days

The month with the highest number of rainy days is September (10 days).
The month with the least rainy days is February (1.9 days).

Average snowfall in December
Royalty, TX

Average snowfall in December - Royalty, TX
  • Average snowfall in December: 0.31"

The months with the highest snowfall are November and December (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Royalty, TX

Average snowfall days in December - Royalty, TX
  • Average snowfall days in December: 1 days

The month with the highest number of snowfall days is December (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Royalty, TX

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

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

  • Average sunshine in December: 7h and 0min

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

Average sunshine days in December
Royalty, TX

Average sunshine days in December - Royalty, TX
  • Average sunshine days in December: 27.1 days

The month with the most sunshine days is January (27.8 days).
The month with the least sunshine days is September (18.1 days).

Average UV index in December
Royalty, TX

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

The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in December
Royalty, TX

Average cloud cover in December - Royalty, TX
  • Average cloud cover in December: 19

The month with the most cloud cover is September (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 12).

Average visibility in December
Royalty, TX

Average visibility in December - Royalty, 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).

Royalty, Texas, USA

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