December weather forecast
Plaquemine, LA

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Weather in December

The first month of the winter, December, is also an enjoyable month in Plaquemine, Louisiana, with temperature in the range of an average low of 47.3°F (8.5°C) and an average high of 61.9°F (16.6°C).

Temperature

The start of December comes with a small reduction in the average high-temperature, subtly receding from a pleasant 68.9°F (20.5°C) in November to a comfortable 61.9°F (16.6°C). Plaquemine experiences a mean temperature of 47.3°F (8.5°C) during December nights.

Humidity

The months with the highest humidity are February and December, with an average relative humidity of 81%.

Rainfall

In Plaquemine, in December, during 11.4 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, there are 148.6 rainfall days, and 15.51" (394mm) of precipitation is accumulated.

Snowfall

In Plaquemine, snow does not fall in February through December.

Daylight

December has the shortest days of the year, with an average of 10h and 12min of daylight.
On the first day of December, sunrise is at 6:44 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 5:15 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 5.1h 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 medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 3 in December translates into this advice:
Be vigilant - Suggestions to stave off sun damage are provided. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

The high-temperature, in December, in Plaquemine, records 61.9°F (16.6°C), while the low-temperature is 47.3°F (8.5°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in September is estimated at 104°F (40°C).

What is the most humid month?

February and December, with an average relative humidity of 81%, are most humid months.

What is the average humidity in December?

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

How much does it rain in December?

In Plaquemine, in December, it is raining for 11.4 days, with typically 1.1" (28mm) of accumulated precipitation.

When it does not snow in Plaquemine?

February through December are months without snowfall.

Does it snow in December?

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

What is the month with the shortest days?

The month with the shortest days is December, with an average of 10h and 12min of daylight.

What is the average length of the day in December?

The average day length in December is 10h and 14min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 6:44 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 5:15 pm CST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 5.1h of sunshine.

How many hours of sunshine does Plaquemine have in December?

In December, the average sunshine duration is 5.1h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December in Plaquemine is 3. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Plaquemine, LA

Average temperature in December - Plaquemine, LA
  • Average high temperature in December: 61.9°F

The warmest months (with the highest average high temperature) are July and August (91.2°F).
The month with the lowest average high temperature is January (59°F).

  • Average low temperature in December: 47.3°F

The month with the highest average low temperature is August (74.5°F).
The coldest month (with the lowest average low temperature) is January (43.5°F).

Average pressure in December
Plaquemine, LA

Average pressure in December - Plaquemine, LA
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.96"Hg).

Average wind speed in December
Plaquemine, LA

Average wind speed in December - Plaquemine, LA
  • Average wind speed in December: 6.5mph

The windiest month (with the highest average wind speed) is February (6.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in December
Plaquemine, LA

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

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (73%).

Average rainfall in December
Plaquemine, LA

Average rainfall in December - Plaquemine, LA
  • Average rainfall in December: 1.1"

The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is March (0.67").

Average rainfall days in December
Plaquemine, LA

Average rainfall days in December - Plaquemine, LA
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is August (20.9 days).
The month with the least rainy days is November (7.1 days).

Average snowfall in December
Plaquemine, LA

Average snowfall in December - Plaquemine, LA
  • Average snowfall in December: 0"

The month with the highest snowfall is January (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in December
Plaquemine, LA

Average snowfall days in December - Plaquemine, LA
  • Average snowfall days in December: 0 days

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

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

Average daylight in December / Average sunshine in December - Plaquemine, LA
  • Average daylight in December: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in December
Plaquemine, LA

Average sunshine days in December - Plaquemine, LA
  • Average sunshine days in December: 17.6 days

The month with the most sunshine days is November (21.4 days).
The months with the least sunshine days are July and August (7.3 days).

Average UV index in December
Plaquemine, LA

Average UV index in December - Plaquemine, LA
  • 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
Plaquemine, LA

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

The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 27).

Average visibility in December
Plaquemine, LA

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

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

Plaquemine, Louisiana, USA

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