December weather forecast
Lettsworth, LA

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Weather in December

The first month of the winter, December, is still a mild month in Lettsworth, Louisiana, with an average temperature varying between 60.1°F (15.6°C) and 45.5°F (7.5°C).

Temperature

The beginning of December brings a minor change in the average high-temperature, shifting from a refreshing 67.3°F (19.6°C) in November to a moderate 60.1°F (15.6°C). Lettsworth's temperature drops to an average low of 45.5°F (7.5°C) during the nights of December.

Humidity

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

Rainfall

In Lettsworth, during December, the rain falls for 13.9 days and regularly aggregates up to 3.35" (85mm) of precipitation. In Lettsworth, during the entire year, the rain falls for 182 days and collects up to 39.09" (993mm) of precipitation.

Snowfall

Months with snowfall are January and December. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 0.9 snowfall days, and 0.39" (10mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 10h and 12min of daylight.
On the first day of the month, sunrise is at 6:47 am and sunset at 5:04 pm. On the last day of December, sunrise is at 7:04 am and sunset at 5:15 pm CST.

Sunshine

December has the least sunshine of the year, with an average of 4.9h of sunshine.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: In December, the maximum UV index of 3 suggests these recommendations:
Guard yourself - Avoiding sunburn is suggested. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Lettsworth in December?

The average high-temperature, in December, in Lettsworth, is 60.1°F (15.6°C), while the average low-temperature is 45.5°F (7.5°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is evaluated at 104°F (40°C).

What is the average humidity in December?

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

How many days does it rain in December in Lettsworth?

In Lettsworth, in December, it is raining for 13.9 days, with typically 3.35" (85mm) of accumulated precipitation.

When does it start snowing?

December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.16" (4mm) of snow.

What is the month with the shortest days?

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

What is the average length of the day in December in Lettsworth?

In December, the average day length is 10h and 11min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 6:47 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:04 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 4.9h of sunshine.

How many hours of sunshine does Lettsworth have in December?

The average sunshine duration in December is 4.9h.

What is the month with the lowest UV index?

The months with the lowest UV index in Lettsworth are January and December, with an average maximum UV index of 3.

What is the UV index reading in December?

In Lettsworth, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Lettsworth, LA

Average temperature in December - Lettsworth, LA
  • Average high temperature in December: 60.1°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (57.2°F).

  • Average low temperature in December: 45.5°F

The month with the highest average low temperature is August (73.4°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).

Average pressure in December
Lettsworth, LA

Average pressure in December - Lettsworth, 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
Lettsworth, LA

Average wind speed in December - Lettsworth, LA
  • Average wind speed in December: 6.9mph

The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest months (with the lowest average wind speed) are July, August and September (4.8mph).

Average humidity in December
Lettsworth, LA

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

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
Lettsworth, LA

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

The wettest month (with the highest rainfall) is August (4.61").
The driest month (with the least rainfall) is November (2.2").

Average rainfall days in December
Lettsworth, LA

Average rainfall days in December - Lettsworth, LA
  • Average rainfall days in December: 13.9 days

The month with the highest number of rainy days is August (22.5 days).
The month with the least rainy days is November (9.7 days).

Average snowfall in December
Lettsworth, LA

Average snowfall in December - Lettsworth, LA
  • Average snowfall in December: 0.16"

The month with the highest snowfall is January (0.24").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Lettsworth, LA

Average snowfall days in December - Lettsworth, LA
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is January (0.4 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
Lettsworth, LA

Average daylight in December / Average sunshine in December - Lettsworth, 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: 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).

Average sunshine days in December
Lettsworth, LA

Average sunshine days in December - Lettsworth, LA
  • Average sunshine days in December: 15.3 days

The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is August (6.5 days).

Average UV index in December
Lettsworth, LA

Average UV index in December - Lettsworth, 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
Lettsworth, LA

Average cloud cover in December - Lettsworth, LA
  • Average cloud cover in December: 48

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 28).

Average visibility in December
Lettsworth, LA

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

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

Lettsworth, Louisiana, USA

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