December weather forecast
Horizon City, TX

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Weather in December

December, the first month of the winter in Horizon City, is still a mild month, with an average temperature varying between 39.7°F (4.3°C) and 55.8°F (13.2°C).

Temperature

A change in temperatures is noted as November gives way to December, with average highs reducing from 64.9°F (18.3°C) to a still refreshing 55.8°F (13.2°C). Horizon City's nights in December cool down to an average low-temperature of 39.7°F (4.3°C).

Humidity

With an average relative humidity of 47%, December is the most humid month.

Rainfall

In Horizon City, during December, the rain falls for 4.4 days and regularly aggregates up to 0.43" (11mm) of precipitation. Throughout the year, there are 72.6 rainfall days, and 7.72" (196mm) of precipitation is accumulated.

Snowfall

Months with snowfall are February and December. The month with the most snowfall is December, when snow falls for 0.8 days and typically aggregates up to 0.47" (12mm) of snow.

Daylight

December has the shortest days of the year, with an average of 10h and 6min of daylight.
On the first day of the month, sunrise is at 6:47 am and sunset at 5:00 pm. On the last day of December, sunrise is at 7:04 am and sunset at 5:11 pm MST.

Sunshine

The month with the least sunshine is December, with an average of 7.2h of sunshine.

UV index

January, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 3 suggests these recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Horizon City in December?

Horizon City in December has an average high-temperature of 55.8°F (13.2°C) and an average low-temperature of 39.7°F (4.3°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is estimated at 84.2°F (29°C).

What is the most humid month?

December is the most humid month, with an average relative humidity of 47%.

What is the average humidity in December?

In Horizon City, Texas, the average relative humidity in December is 47%.

How much does it rain in December?

In Horizon City, during December, the rain falls for 4.4 days and regularly aggregates up to 0.43" (11mm) of precipitation.

What is the snowiest month?

December is the month with the most snowfall. Snow falls for 0.8 days and accumulates 0.47" (12mm) of snow.

When does it start snowing?

December is the first month it typically snows. Throughout December, in the average 0.8 snowfall days, it receives 0.47" (12mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Horizon City have in December?

The average day length in December is 10h and 7min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 6:47 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:11 pm MST.

What is the month with the least sunshine in Horizon City?

The month with the least sunshine is December, with an average of 7.2h of sunshine.

How long on average sun shines in December?

In December, the average sunshine duration is 7.2h.

What are the months with the lowest UV index?

The months with the lowest UV index are January, November and December, with an average maximum UV index of 3.

What is the UV index reading in December?

In Horizon City, 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
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Horizon City, TX

Average temperature in December - Horizon City, TX
  • Average high temperature in December: 55.8°F

The warmest month (with the highest average high temperature) is June (94.5°F).
The month with the lowest average high temperature is January (55°F).

  • Average low temperature in December: 39.7°F

The month with the highest average low temperature is July (75.7°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).

Average pressure in December
Horizon City, TX

Average pressure in December - Horizon City, TX
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).

Average wind speed in December
Horizon City, TX

Average wind speed in December - Horizon City, TX
  • Average wind speed in December: 7mph

The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is January (6.9mph).

Average humidity in December
Horizon City, TX

Average humidity in December - Horizon City, TX
  • Average humidity in December: 47%

The month with the highest relative humidity is December (47%).
The month with the lowest relative humidity is May (21%).

Average rainfall in December
Horizon City, TX

Average rainfall in December - Horizon City, TX
  • Average rainfall in December: 0.43"

The wettest month (with the highest rainfall) is July (1.77").
The driest month (with the least rainfall) is April (0.12").

Average rainfall days in December
Horizon City, TX

Average rainfall days in December - Horizon City, TX
  • Average rainfall days in December: 4.4 days

The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is February (2.4 days).

Average snowfall in December
Horizon City, TX

Average snowfall in December - Horizon City, TX
  • Average snowfall in December: 0.47"

The month with the highest snowfall is December (0.47").
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Horizon City, TX

Average snowfall days in December - Horizon City, TX
  • Average snowfall days in December: 0.8 days

The month with the highest number of snowfall days is December (0.8 days).
The months with the least snowfall days are March, April, May, June, July, August, September and November (0 days).

Average daylight in December /
Average sunshine in December
Horizon City, TX

Average daylight in December / Average sunshine in December - Horizon City, 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 1min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 12min).

Average sunshine days in December
Horizon City, TX

Average sunshine days in December - Horizon City, TX
  • Average sunshine days in December: 25.4 days

The months with the most sunshine days are January and March (27.3 days).
The month with the least sunshine days is August (10.3 days).

Average UV index in December
Horizon City, TX

Average UV index in December - Horizon City, 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, November and December (UV index 3).

Average cloud cover in December
Horizon City, TX

Average cloud cover in December - Horizon City, TX
  • Average cloud cover in December: 18

The month with the most cloud cover is December (Cloud cover 18).
The month with the least cloud cover is May (Cloud cover 8).

Average visibility in December
Horizon City, TX

Average visibility in December - Horizon City, 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).

Horizon City, Texas, USA

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