December weather forecast
Plain Dealing, LA

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Weather in December

The first month of the winter, December, is still a cool month in Plain Dealing, Louisiana, with an average temperature ranging between min 40.5°F (4.7°C) and max 55.2°F (12.9°C).

Temperature

Plain Dealing's December weather features a light decline in high-temperatures, reducing from a comfortable 63.5°F (17.5°C) in November to a fresh 55.2°F (12.9°C). Plain Dealing's temperature lowers to a mean of 40.5°F (4.7°C) during the nights in December.

Humidity

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

Rainfall

In Plain Dealing, in December, it is raining for 12 days, with typically 3.66" (93mm) of accumulated precipitation. In Plain Dealing, during the entire year, the rain falls for 149.9 days and collects up to 36.1" (917mm) of precipitation.

Snowfall

In Plain Dealing, snow does not fall in April through December.

Daylight

December has the shortest days of the year in Plain Dealing, with an average of 10h and 0min of daylight.
On the first day of the month, sunrise is at 7:00 am and sunset at 5:08 pm. On the last day of December, in Plain Dealing, Louisiana, sunrise is at 7:17 am and sunset at 5:18 pm CST.

Sunshine

The average sunshine in December is 4.9h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: During December, 3 as the daily maximum UV index converts into the following advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Frequently asked questions

What is the temperature in December in Plain Dealing?

The average high-temperature, in December, in Plain Dealing, is 55.2°F (12.9°C), while the average low-temperature is 40.5°F (4.7°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in September is calculated to be 100.4°F (38°C).

What is the average humidity in December in Plain Dealing?

In December, the average relative humidity in Plain Dealing, Louisiana, is 80%.

How much does it rain in Plain Dealing in December?

In Plain Dealing, in December, it is raining for 12 days, with typically 3.66" (93mm) of accumulated precipitation.

When it does not snow in Plain Dealing?

April through December are months without snowfall in Plain Dealing.

Does it snow in Plain Dealing in December?

In Plain Dealing, in December, it doesn't snow. In January, it regularly snows.

What is the month with the shortest days in Plain Dealing?

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

What is the average length of the day in December in Plain Dealing?

The average day length in December in Plain Dealing is 10h and 1min.

When is the sunrise / sunset in December in Plain Dealing?

In December, on the first day of the month, sunrise is at 7:00 am and sunset at 5:08 pm. On the last day of the month, in Plain Dealing, Louisiana, sunrise is at 7:17 am and sunset at 5:18 pm CST.

How many hours of sunshine does Plain Dealing have in December?

In December, the average sunshine duration in Plain Dealing, Louisiana, is 4.9h.

What is the month with the lowest UV index in Plain Dealing?

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

What is the UV index intensity in December in Plain Dealing?

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
Plain Dealing, LA

Average temperature in December - Plain Dealing, LA
  • Average high temperature in December: 55.2°F

The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is January (53.2°F).

  • Average low temperature in December: 40.5°F

The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).

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Average pressure in December
Plain Dealing, LA

Average pressure in December - Plain Dealing, LA
  • 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).

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Average wind speed in December
Plain Dealing, LA

Average wind speed in December - Plain Dealing, LA
  • Average wind speed in December: 6.2mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in December
Plain Dealing, LA

Average humidity in December - Plain Dealing, LA
  • 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%).

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Average rainfall in December
Plain Dealing, LA

Average rainfall in December - Plain Dealing, LA
  • Average rainfall in December: 3.66"

The wettest month (with the highest rainfall) is April (4.65").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in December
Plain Dealing, LA

Average rainfall days in December - Plain Dealing, LA
  • Average rainfall days in December: 12 days

The month with the highest number of rainy days is July (14.3 days).
The months with the least rainy days are October and November (10.1 days).

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Average snowfall in December
Plain Dealing, LA

Average snowfall in December - Plain Dealing, LA
  • Average snowfall in December: 0"

The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in December
Plain Dealing, LA

Average snowfall days in December - Plain Dealing, LA
  • Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is February (1.4 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
Plain Dealing, LA

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

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in December
Plain Dealing, LA

Average sunshine days in December - Plain Dealing, LA
  • Average sunshine days in December: 17.1 days

The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is February (13.5 days).

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Average UV index in December
Plain Dealing, LA

Average UV index in December - Plain Dealing, 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, February, November and December (UV index 3).

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Average cloud cover in December
Plain Dealing, LA

Average cloud cover in December - Plain Dealing, LA
  • Average cloud cover in December: 48

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in December
Plain Dealing, LA

Average visibility in December - Plain Dealing, LA
  • Average visibility in December: 5mi

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

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Plain Dealing, Louisiana, USA

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