December weather forecast
De Siard, LA

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Weather in December

December, the first month of the winter in De Siard, is still a mild month, with an average temperature ranging between min 42.1°F (5.6°C) and max 56.1°F (13.4°C).

Temperature

With the onset of December, the average high-temperature subtly recedes from November's comfortable 63.9°F (17.7°C) to a mild 56.1°F (13.4°C). In De Siard, the average nighttime temperature during December is a cold 42.1°F (5.6°C).

Humidity

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

Rainfall

In De Siard, Louisiana, in December, it is raining for 12.5 days, with typically 3.31" (84mm) of accumulated precipitation. Throughout the year, there are 153.5 rainfall days, and 36.14" (918mm) of precipitation is accumulated.

Snowfall

April through December are months without snowfall.

Daylight

The month with the shortest days is December, with an average of 10h and 0min of daylight.
On the first day of the month, sunrise is at 6:53 am and sunset at 5:02 pm. On the last day of December, sunrise is at 7:10 am and sunset at 5:12 pm CST.

Sunshine

In December, the average sunshine is 5.1h.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.

Frequently asked questions

What is the temperature in December?

The high-temperature, in December, in De Siard, records 56.1°F (13.4°C), while the low-temperature is 42.1°F (5.6°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in September is computed to be 98.6°F (37°C).

What is the average humidity in December?

The average relative humidity in December is 80%.

How many days does it rain in December?

In De Siard, in December, during 12.5 rainfall days, 3.31" (84mm) of precipitation is typically accumulated.

When it does not snow?

April through December are months without snowfall.

Does it snow in December?

In De Siard, in December, it doesn't snow. In January, it regularly snows.

What is the month with the shortest days in De Siard?

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

What is the average length of the day in December?

The average day length in December is 10h and 2min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 6:53 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:12 pm CST.

How many hours of sunshine does De Siard have in December?

In De Siard, the average sunshine duration in December is 5.1h.

What is the month with the lowest UV index?

January and December, with an average maximum UV index of 3, are months with the lowest UV index in De Siard, Louisiana.

How high is the UV index in December?

In De Siard, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate health threat 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
De Siard, LA

Average temperature in December - De Siard, LA
  • Average high temperature in December: 56.1°F

The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is January (53.4°F).

  • Average low temperature in December: 42.1°F

The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).

Average pressure in December
De Siard, LA

Average pressure in December - De Siard, LA
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in December
De Siard, LA

Average wind speed in December - De Siard, LA
  • Average wind speed in December: 7mph

The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest months (with the lowest average wind speed) are August and September (5.3mph).

Average humidity in December
De Siard, LA

Average humidity in December - De Siard, LA
  • Average humidity in December: 80%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (69%).

Average rainfall in December
De Siard, LA

Average rainfall in December - De Siard, LA
  • Average rainfall in December: 3.31"

The wettest month (with the highest rainfall) is April (4.45").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in December
De Siard, LA

Average rainfall days in December - De Siard, LA
  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in December
De Siard, LA

Average snowfall in December - De Siard, LA
  • Average snowfall in December: 0"

The month with the highest snowfall is February (0.2").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").

Average snowfall days in December
De Siard, LA

Average snowfall days in December - De Siard, LA
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in December /
Average sunshine in December
De Siard, LA

Average daylight in December / Average sunshine in December - De Siard, LA
  • 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 1min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in December
De Siard, LA

Average sunshine days in December - De Siard, LA
  • Average sunshine days in December: 16.3 days

The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is February (13.1 days).

Average UV index in December
De Siard, LA

Average UV index in December - De Siard, 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).

Average cloud cover in December
De Siard, LA

Average cloud cover in December - De Siard, LA
  • Average cloud cover in December: 45

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 26).

Average visibility in December
De Siard, LA

Average visibility in December - De Siard, LA
  • 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).

De Siard, Louisiana, USA

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