December weather forecast
Duplessis, LA

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Weather in December

December, the first month of the winter in Duplessis, is still a comfortable month, with an average temperature varying between 47.7°F (8.7°C) and 62.2°F (16.8°C).

Temperature

December's onset introduces a mild reduction in the average high-temperature, from an agreeable 68.9°F (20.5°C) in November to an enjoyable 62.2°F (16.8°C). Throughout December, Duplessis's nights cool down to an average of 47.7°F (8.7°C).

Humidity

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

Rainfall

In December, the rain falls for 10.7 days. Throughout December, 1.3" (33mm) of precipitation is accumulated. In Duplessis, during the entire year, the rain falls for 151.5 days and collects up to 18.62" (473mm) of precipitation.

Snowfall

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

Daylight

With an average of 10h and 12min of daylight, December has the shortest days of the year in Duplessis.
On the first day of December, sunrise is at 6:43 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:14 pm CST.

Sunshine

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

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index in Duplessis. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the UV index of 3 transforms into the following advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

What are the temperatures in December?

The average high-temperature and low-temperature during December are 62.2°F (16.8°C) and 47.7°F (8.7°C) respectively. In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, is appraised at 104°F (40°C).

What are the most humid months?

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

What is the average humidity in December?

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

How many days does it rain in December?

In Duplessis, during December, the rain falls for 10.7 days and regularly aggregates up to 1.3" (33mm) of precipitation.

When it does not snow?

February through December are months without snowfall.

Does it snow in December?

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

What is the month with the shortest days in Duplessis?

December has the shortest days of the year in Duplessis, with an average of 10h and 12min of daylight.

What is the average length of the day in December?

In Duplessis, the average day length in December is 10h and 14min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:43 am and sunset at 5:03 pm. On the last day of the month, in Duplessis, sunrise is at 7:00 am and sunset at 5:14 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 Duplessis have in December?

The average sunshine duration in December is 5.1h.

What is the month with the lowest UV index?

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

What is the UV index reading in December?

The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate health threat 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
Duplessis, LA

Average temperature in December - Duplessis, LA
  • Average high temperature in December: 62.2°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (59.2°F).

  • Average low temperature in December: 47.7°F

The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (43.5°F).

Average pressure in December
Duplessis, LA

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

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

Average wind speed in December
Duplessis, LA

Average wind speed in December - Duplessis, LA
  • Average wind speed in December: 6.7mph

The windiest months (with the highest average wind speed) are February and April (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in December
Duplessis, LA

Average humidity in December - Duplessis, 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 (74%).

Average rainfall in December
Duplessis, LA

Average rainfall in December - Duplessis, LA
  • Average rainfall in December: 1.3"

The wettest month (with the highest rainfall) is July (3.03").
The driest months (with the least rainfall) are March and November (0.98").

Average rainfall days in December
Duplessis, LA

Average rainfall days in December - Duplessis, LA
  • Average rainfall days in December: 10.7 days

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (7.9 days).

Average snowfall in December
Duplessis, LA

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

The month with the highest snowfall is January (0.04").
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
Duplessis, LA

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

The month with the highest number of snowfall days is January (0.2 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
Duplessis, LA

Average daylight in December / Average sunshine in December - Duplessis, 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 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in December
Duplessis, LA

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

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (9.3 days).

Average UV index in December
Duplessis, LA

Average UV index in December - Duplessis, LA
  • Average UV index in December: 3

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

Average cloud cover in December
Duplessis, LA

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

The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 26).

Average visibility in December
Duplessis, LA

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

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

Duplessis, Louisiana, USA

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