December weather forecast
Clayton, LA

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Weather in December

December, the first month of the winter in Clayton, is still a refreshing month, with an average temperature fluctuating between 58.3°F (14.6°C) and 44.2°F (6.8°C).

Temperature

The onset of December entails a subtle temperature shift, as the average high-temperature eases from a comfortable 65.7°F (18.7°C) in November to a still refreshing 58.3°F (14.6°C). Clayton, in December, observes a steady average low-temperature of 44.2°F (6.8°C).

Humidity

In December, the average relative humidity in Clayton is 81%.

Rainfall

In December, in Clayton, the rain falls for 13 days. Throughout December, 3.35" (85mm) of precipitation is accumulated. Throughout the year, there are 151.7 rainfall days, and 33.27" (845mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March and December. December is the first month it typically snows in Clayton. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. In Clayton, during the entire year, snow falls for 1.6 days and aggregates up to 0.75" (19mm) of snow.

Daylight

December has the shortest days of the year in Clayton, with an average of 10h and 6min of daylight.
On the first day of the month, sunrise is at 6:48 am and sunset at 5:02 pm. On the last day of December, sunrise is at 7:05 am and sunset at 5:13 pm CST.

Sunshine

With an average of 4.9h of sunshine, December has the least sunshine of the year in Clayton.

UV index

The months with the lowest UV index in Clayton, Louisiana, are January and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: In December, a regular UV index of 3 translates into these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Frequently asked questions

What is the usual temperature for Clayton in December?

An average high-temperature, in December, in Clayton, is 58.3°F (14.6°C) and the average low-temperature is 44.2°F (6.8°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is calculated to be 102.2°F (39°C).

What is the average humidity in December in Clayton?

In Clayton, the average relative humidity in December is 81%.

How much does it rain in Clayton in December?

In Clayton, in December, it is raining for 13 days, with typically 3.35" (85mm) of accumulated precipitation.

When does it start snowing in Clayton?

December is the first month it typically snows in Clayton. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days in Clayton?

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

How many hours of daylight does Clayton have in December?

In December, the average day length is 10h and 7min.

What time are sunrise and sunset in December in Clayton?

On the first day of December, sunrise is at 6:48 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:13 pm CST.

What is the month with the least sunshine in Clayton?

The month with the least sunshine in Clayton, Louisiana, is December, with an average of 4.9h of sunshine.

How long on average sun shines in December in Clayton?

In Clayton, the average sunshine duration in December is 4.9h.

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 in Clayton is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
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, LA

Average temperature in December - Clayton, LA
  • Average high temperature in December: 58.3°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (55.4°F).

  • Average low temperature in December: 44.2°F

The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (40.5°F).

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Average pressure in December
Clayton, LA

Average pressure in December - Clayton, LA
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.96"Hg).

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Average wind speed in December
Clayton, LA

Average wind speed in December - Clayton, LA
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).

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Average humidity in December
Clayton, LA

Average humidity in December - Clayton, LA
  • Average humidity in December: 81%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in December
Clayton, LA

Average rainfall in December - Clayton, LA
  • Average rainfall in December: 3.35"

The wettest month (with the highest rainfall) is January (3.39").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in December
Clayton, LA

Average rainfall days in December - Clayton, LA
  • Average rainfall days in December: 13 days

The month with the highest number of rainy days is August (15.4 days).
The month with the least rainy days is October (8.6 days).

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Average snowfall in December
Clayton, LA

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

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

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Average snowfall days in December
Clayton, LA

Average snowfall days in December - Clayton, LA
  • Average snowfall days in December: 0.2 days

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

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Average daylight in December /
Average sunshine in December
Clayton, LA

Average daylight in December / Average sunshine in December - Clayton, LA
  • 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: 4h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

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Average sunshine days in December
Clayton, LA

Average sunshine days in December - Clayton, LA
  • Average sunshine days in December: 14.5 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is February (12.3 days).

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Average UV index in December
Clayton, LA

Average UV index in December - Clayton, LA
  • 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).

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Average cloud cover in December
Clayton, LA

Average cloud cover in December - Clayton, LA
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 28).

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Average visibility in December
Clayton, LA

Average visibility in December - Clayton, LA
  • Average visibility in December: 6mi

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

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Clayton, Louisiana, USA

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