December weather forecast
Cost, TX

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Weather in December

The first month of the winter, December, is still a comfortable month in Cost, Texas, with temperature in the range of an average high of 61.7°F (16.5°C) and an average low of 46.9°F (8.3°C).

Temperature

As November makes way for December, Cost's average high-temperature eases from a pleasant 69.6°F (20.9°C) to a comfortable 61.7°F (16.5°C). In December, Cost encounters an average low-temperature of 46.9°F (8.3°C) during the night.

Humidity

The average relative humidity in December in Cost, Texas, is 74%.

Rainfall

In Cost, during December, the rain falls for 10.4 days and regularly aggregates up to 1.22" (31mm) of precipitation. Throughout the year, there are 146.3 rainfall days, and 21.34" (542mm) of precipitation is accumulated.

Snowfall

January, February and December are months with snowfall in Cost. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow. In Cost, during the entire year, snow falls for 0.9 days and aggregates up to 0.24" (6mm) of snow.

Daylight

December has the shortest days of the year, with an average of 10h and 18min of daylight.
On the first day of the month, sunrise is at 7:07 am and sunset at 5:31 pm. On the last day of December, in Cost, sunrise is at 7:24 am and sunset at 5:42 pm CST.

Sunshine

December has the least sunshine of the year in Cost, with an average of 4.8h of sunshine.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 3 in December transforms into the following instructions:
Act with care - The suggestion to avoid sunburn is emphasized. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Cost in December?

An average high-temperature, in December, in Cost, is 61.7°F (16.5°C) and the average low-temperature is 46.9°F (8.3°C). In October, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is estimated at 84.2°F (29°C).

What is the average humidity in December in Cost?

In Cost, Texas, the average relative humidity in December is 74%.

How many days does it rain in December in Cost?

In Cost, Texas, in December, during 10.4 rainfall days, 1.22" (31mm) of precipitation is typically accumulated.

When does it start snowing in Cost?

December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow.

What is the month with the shortest days in Cost?

With an average of 10h and 18min of daylight, December has the shortest days of the year.

What is the average length of the day in December in Cost?

The average day length in December is 10h and 18min.

When are sunrise and sunset in December in Cost?

In December, on the first day of the month, sunrise is at 7:07 am and sunset at 5:31 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:42 pm CST.

What is the month with the least sunshine in Cost?

December has the least sunshine of the year in Cost, with an average of 4.8h of sunshine.

How many hours of sunshine does Cost have in December?

The average sunshine duration in December in Cost, Texas, is 4.8h.

What is the month with the lowest UV index in Cost?

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

What is the UV index intensity in December in Cost?

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
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Cost, TX

Average temperature in December - Cost, TX
  • Average high temperature in December: 61.7°F

The warmest month (with the highest average high temperature) is August (97°F).
The month with the lowest average high temperature is January (60.8°F).

  • Average low temperature in December: 46.9°F

The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).

Average pressure in December
Cost, TX

Average pressure in December - Cost, 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).

Average wind speed in December
Cost, TX

Average wind speed in December - Cost, TX
  • Average wind speed in December: 7.4mph

The windiest months (with the highest average wind speed) are February, March, April and May (8.3mph).
The calmest month (with the lowest average wind speed) is September (6mph).

Average humidity in December
Cost, TX

Average humidity in December - Cost, TX
  • Average humidity in December: 74%

The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is August (64%).

Average rainfall in December
Cost, TX

Average rainfall in December - Cost, TX
  • Average rainfall in December: 1.22"

The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is February (0.71").

Average rainfall days in December
Cost, TX

Average rainfall days in December - Cost, TX
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is September (16.4 days).
The month with the least rainy days is January (9.1 days).

Average snowfall in December
Cost, TX

Average snowfall in December - Cost, TX
  • Average snowfall in December: 0.08"

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

Average snowfall days in December
Cost, TX

Average snowfall days in December - Cost, TX
  • Average snowfall days in December: 0.3 days

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

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

Average daylight in December / Average sunshine in December - Cost, 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: 4h and 5min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

Average sunshine days in December
Cost, TX

Average sunshine days in December - Cost, TX
  • Average sunshine days in December: 17.7 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is June (11.1 days).

Average UV index in December
Cost, TX

Average UV index in December - Cost, 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).

Average cloud cover in December
Cost, TX

Average cloud cover in December - Cost, TX
  • Average cloud cover in December: 48

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in December
Cost, TX

Average visibility in December - Cost, TX
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, August, September, October, November and December (6mi).
The months with the lowest visibility are March, April, May, June and July (5mi).

Cost, Texas, USA

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