December weather forecast
Longleaf, LA

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Weather in December

December, the first month of the winter in Longleaf, is also a moderate month, with an average temperature fluctuating between 44.8°F (7.1°C) and 59.7°F (15.4°C).

Temperature

Longleaf's progression into December involves a gentle drop in the average high-temperature, from an enjoyable 66.7°F (19.3°C) in November to a mild 59.7°F (15.4°C). Longleaf encounters a steady low-temperature average of 44.8°F (7.1°C) throughout the month of December.

Humidity

The average relative humidity in December in Longleaf is 82%.

Rainfall

In Longleaf, in December, it is raining for 13.6 days, with typically 3.35" (85mm) of accumulated precipitation. In Longleaf, Louisiana, during the entire year, the rain falls for 159.5 days and collects up to 34.25" (870mm) of precipitation.

Snowfall

Months with snowfall are January, February and December. December is the first month it typically snows in Longleaf, Louisiana. Throughout December, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 1 snowfall days, and 0.71" (18mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Longleaf, Louisiana, with an average of 10h and 12min of daylight.
On the first day of December, sunrise is at 6:51 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:18 pm CST.

Sunshine

The month with the least sunshine in Longleaf, Louisiana, is December, with an average of 4.8h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 3 in December translates into these instructions:
Take precautions - Protection against sun damage is advised. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Frequently asked questions

What are the temperatures in Longleaf in December?

During December, Longleaf experiences an average high-temperature of 59.7°F (15.4°C) and a low-temperature of 44.8°F (7.1°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is computed to be 102.2°F (39°C).

What is the average humidity in December in Longleaf?

In Longleaf, Louisiana, the average relative humidity in December is 82%.

How much does it rain in Longleaf in December?

In Longleaf, Louisiana, in December, during 13.6 rainfall days, 3.35" (85mm) of precipitation is typically accumulated.

When does it start snowing in Longleaf?

December is the first month it typically snows in Longleaf, Louisiana. Throughout December, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow.

What is the month with the shortest days in Longleaf?

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 Longleaf?

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

When is the sunrise / sunset in December in Longleaf?

On the first day of December, sunrise is at 6:51 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:18 pm CST.

What is the month with the least sunshine in Longleaf?

The month with the least sunshine in Longleaf is December, with an average of 4.8h of sunshine.

How many hours of sunshine does Longleaf have in December?

In Longleaf, Louisiana, the average sunshine duration in December is 4.8h.

What are the months with the lowest UV index in Longleaf?

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

What is the UV index intensity in December in Longleaf?

In Longleaf, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Longleaf, LA

Average temperature in December - Longleaf, LA
  • Average high temperature in December: 59.7°F

The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (57°F).

  • Average low temperature in December: 44.8°F

The month with the highest average low temperature is August (73.2°F).
The coldest month (with the lowest average low temperature) is January (41°F).

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Average pressure in December
Longleaf, LA

Average pressure in December - Longleaf, 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 (29.94"Hg).

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Average wind speed in December
Longleaf, LA

Average wind speed in December - Longleaf, LA
  • Average wind speed in December: 7.1mph

The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).

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Average humidity in December
Longleaf, LA

Average humidity in December - Longleaf, LA
  • Average humidity in December: 82%

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

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Average rainfall in December
Longleaf, LA

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

The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days in December
Longleaf, LA

Average rainfall days in December - Longleaf, LA
  • Average rainfall days in December: 13.6 days

The month with the highest number of rainy days is August (16.8 days).
The month with the least rainy days is October (9.7 days).

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Average snowfall in December
Longleaf, LA

Average snowfall in December - Longleaf, LA
  • Average snowfall in December: 0.08"

The month with the highest snowfall is January (0.59").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Longleaf, LA

Average snowfall days in December - Longleaf, LA
  • Average snowfall days in December: 0.2 days

The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

Average daylight in December / Average sunshine in December - Longleaf, 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 July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

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Average sunshine days in December
Longleaf, LA

Average sunshine days in December - Longleaf, LA
  • Average sunshine days in December: 14.4 days

The month with the most sunshine days is October (20 days).
The month with the least sunshine days is August (12.3 days).

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Average UV index in December
Longleaf, LA

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

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

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Average cloud cover in December
Longleaf, LA

Average cloud cover in December - Longleaf, LA
  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is October (Cloud cover 30).

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Average visibility in December
Longleaf, LA

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

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

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Longleaf, Louisiana, USA

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