December weather forecast
Clayton, TX

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Weather in December

The first month of the winter, December, is still a refreshing month in Clayton, Texas, with an average temperature ranging between min 41.9°F (5.5°C) and max 56.8°F (13.8°C).

Temperature

December indicates a minor shift in the average high-temperature, from November's comfortable 65.3°F (18.5°C) to a mild 56.8°F (13.8°C). Throughout December, the average low-temperature dips to a wintry 41.9°F (5.5°C).

Humidity

The average relative humidity in December in Clayton, Texas, is 80%.

Rainfall

In Clayton, in December, it is raining for 11.3 days, with typically 2.36" (60mm) of accumulated precipitation. In Clayton, during the entire year, the rain falls for 147.8 days and collects up to 30.55" (776mm) of precipitation.

Snowfall

January, February and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 2 snowfall days, and 0.71" (18mm) of snow is accumulated.

Daylight

With an average of 10h and 6min of daylight, December has the shortest days of the year.
On the first day of December in Clayton, sunrise is at 7:01 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:23 pm CST.

Sunshine

With an average of 5h of sunshine, December has the least sunshine of the year in Clayton.

UV index

January 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 medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high UV index of 3 in December translates into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Clayton in December?

In December, in Clayton, the average high-temperature is 56.8°F (13.8°C), and the average low-temperature is 41.9°F (5.5°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 102.2°F (39°C).

What is the average humidity in December in Clayton?

In December, the average relative humidity in Clayton is 80%.

How much does it rain in Clayton in December?

In Clayton, Texas, during December, the rain falls for 11.3 days and regularly aggregates up to 2.36" (60mm) of precipitation.

When does it start to snow in Clayton?

December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days in Clayton?

The month with the shortest days is December, with an average of 10h and 6min of daylight.

How many hours of daylight does Clayton have in December?

In Clayton, the average day length in December is 10h and 5min.

When is the sunrise / sunset in December in Clayton?

In December, on the first day of the month, sunrise is at 7:01 am and sunset at 5:13 pm. On the last day of the month, in Clayton, sunrise is at 7:18 am and sunset at 5:23 pm CST.

What is the month with the least sunshine in Clayton?

December has the least sunshine of the year, with an average of 5h of sunshine.

How long on average sun shines in December in Clayton?

In December, the average sunshine duration is 5h.

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

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

What is the UV index reading in December in Clayton?

The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Clayton, TX

Average temperature in December - Clayton, TX
  • Average high temperature in December: 56.8°F

The warmest month (with the highest average high temperature) is August (94.8°F).
The month with the lowest average high temperature is January (55°F).

  • Average low temperature in December: 41.9°F

The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (39.2°F).

Average pressure in December
Clayton, TX

Average pressure in December - Clayton, 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 (29.93"Hg).

Average wind speed in December
Clayton, TX

Average wind speed in December - Clayton, TX
  • Average wind speed in December: 6.2mph

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest months (with the lowest average wind speed) are July, August and September (5mph).

Average humidity in December
Clayton, TX

Average humidity in December - Clayton, TX
  • Average humidity in December: 80%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (68%).

Average rainfall in December
Clayton, TX

Average rainfall in December - Clayton, TX
  • Average rainfall in December: 2.36"

The wettest month (with the highest rainfall) is April (3.19").
The driest month (with the least rainfall) is November (2.01").

Average rainfall days in December
Clayton, TX

Average rainfall days in December - Clayton, TX
  • Average rainfall days in December: 11.3 days

The month with the highest number of rainy days is August (15.1 days).
The month with the least rainy days is January (9.3 days).

Average snowfall in December
Clayton, TX

Average snowfall in December - Clayton, TX
  • Average snowfall in December: 0.04"

The month with the highest snowfall is January (0.39").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Clayton, TX

Average snowfall days in December - Clayton, TX
  • Average snowfall days in December: 0.4 days

The months with the highest number of snowfall days are January and February (0.7 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
Clayton, TX

Average daylight in December / Average sunshine in December - Clayton, 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: 5h and 0min

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 0min).

Average sunshine days in December
Clayton, TX

Average sunshine days in December - Clayton, TX
  • Average sunshine days in December: 17.2 days

The month with the most sunshine days is October (20.4 days).
The months with the least sunshine days are June and September (13.3 days).

Average UV index in December
Clayton, TX

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

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in December
Clayton, TX

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

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in December
Clayton, TX

Average visibility in December - Clayton, TX
  • Average visibility in December: 5mi

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

Clayton, Texas, USA

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