December weather forecast
Richland Hills, TX

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Weather in December

December, the first month of the winter in Richland Hills, is also a moderate month, with an average temperature fluctuating between 55.6°F (13.1°C) and 41.4°F (5.2°C).

Temperature

The average high-temperature decreases in December, shifting from a refreshing 64.6°F (18.1°C) in November to a mild 55.6°F (13.1°C). During December, Richland Hills's temperature falls to a steady low-temperature average of 41.4°F (5.2°C).

Humidity

In December, the average relative humidity in Richland Hills is 67%.

Rainfall

In December, in Richland Hills, the rain falls for 3.5 days. Throughout December, 0.31" (8mm) of precipitation is accumulated. Throughout the year, in Richland Hills, there are 74 rainfall days, and 5.91" (150mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Richland Hills are February and December. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Richland Hills, Texas, during the entire year, snow falls for 1.3 days and aggregates up to 0.12" (3mm) of snow.

Daylight

With an average of 10h and 0min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:13 am and sunset at 5:22 pm. On the last day of December, sunrise is at 7:31 am and sunset at 5:33 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 5.7h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 3 during December translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
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Frequently asked questions

What is the usual temperature for Richland Hills in December?

During December, Richland Hills experiences an average high-temperature of 55.6°F (13.1°C) and a low-temperature of 41.4°F (5.2°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in September is calculated to be 95°F (35°C).

What is the average humidity in December in Richland Hills?

In December, the average relative humidity in Richland Hills, Texas, is 67%.

How much does it rain in Richland Hills in December?

In December, the rain falls for 3.5 days. Throughout December, 0.31" (8mm) of precipitation is accumulated.

When does it start to snow in Richland Hills?

December is the first month it typically snows in Richland Hills, Texas. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days in Richland Hills?

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

What is the average length of the day in December in Richland Hills?

In Richland Hills, Texas, the average day length in December is 10h and 2min.

What time are sunrise and sunset in December in Richland Hills?

In December, on the first day of the month, sunrise is at 7:13 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:33 pm CST.

What is the month with the least sunshine in Richland Hills?

The month with the least sunshine in Richland Hills, Texas, is December, with an average of 5.7h of sunshine.

How many hours of sunshine does Richland Hills have in December?

The average sunshine duration in December in Richland Hills, Texas, is 5.7h.

What is the month with the lowest UV index in Richland Hills?

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Richland Hills, Texas.

How high is the UV index in December in Richland Hills?

In December, the average daily maximum UV index in Richland Hills is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
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
Richland Hills, TX

Average temperature in December - Richland Hills, 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 (54.9°F).

  • Average low temperature in December: 41.4°F

The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).

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Average pressure in December
Richland Hills, TX

Average pressure in December - Richland Hills, 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
Richland Hills, TX

Average wind speed in December - Richland Hills, TX
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is April (10.2mph).
The calmest month (with the lowest average wind speed) is September (6.7mph).

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Average humidity in December
Richland Hills, TX

Average humidity in December - Richland Hills, TX
  • Average humidity in December: 67%

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
Richland Hills, TX

Average rainfall in December - Richland Hills, TX
  • Average rainfall in December: 0.31"

The wettest month (with the highest rainfall) is May (0.94").
The driest month (with the least rainfall) is February (0.24").

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Average rainfall days in December
Richland Hills, TX

Average rainfall days in December - Richland Hills, TX
  • Average rainfall days in December: 3.5 days

The month with the highest number of rainy days is July (8.2 days).
The month with the least rainy days is January (3.1 days).

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Average snowfall in December
Richland Hills, TX

Average snowfall in December - Richland Hills, TX
  • Average snowfall in December: 0.04"

The month with the highest snowfall is February (0.08").
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Richland Hills, TX

Average snowfall days in December - Richland Hills, TX
  • Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is February (0.6 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
Richland Hills, TX

Average daylight in December / Average sunshine in December - Richland Hills, 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 July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in December
Richland Hills, TX

Average sunshine days in December - Richland Hills, TX
  • Average sunshine days in December: 26.2 days

The month with the most sunshine days is January (27.3 days).
The month with the least sunshine days is September (19.7 days).

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Average UV index in December
Richland Hills, TX

Average UV index in December - Richland Hills, 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
Richland Hills, TX

Average cloud cover in December - Richland Hills, TX
  • Average cloud cover in December: 35

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 19).

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Average visibility in December
Richland Hills, TX

Average visibility in December - Richland Hills, 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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Richland Hills, Texas, USA

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