December weather forecast
Alexandria, LA

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Weather in December

December imposes the advent of winter for the city of Alexandria, Louisiana with temperatures sinking lower than in November. The city, shrouded in higher cloud cover compared to previous months, brings forth festive, overcast skies. Despite a decline in sunshine hours, clear days are far from a rarity in December, providing ample opportunity to enjoy the holiday season. Light rainfall intersperses across the month, contributing to the chilly winter atmosphere. Moving past December, the gradual uptick in temperature as the city welcomes the new year brings a promise of warmer days ahead.

Temperature

December ushers in a minute temperature change in Alexandria, with average high-temperatures reducing from November's comfortable 66.7°F (19.3°C) to a moderate 58.6°F (14.8°C). Alexandria's nighttime temperature in December drops to an average of 44.1°F (6.7°C).

Humidity

The months with the highest humidity are February and December, with an average relative humidity of 82%.

Rainfall

In Alexandria, Louisiana, in December, during 13.4 rainfall days, 3.31" (84mm) of precipitation is typically accumulated. In Alexandria, during the entire year, the rain falls for 164.9 days and collects up to 35.43" (900mm) of precipitation.

Snowfall

January, February and December are months with snowfall in Alexandria. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. In Alexandria, during the entire year, snow falls for 1.2 days and aggregates up to 0.63" (16mm) of snow.

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 6:51 am and sunset at 5:06 pm. On the last day of December, sunrise is at 7:08 am and sunset at 5:17 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 4.9h 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 estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: A typical high UV index of 3 in December suggests the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

An average high-temperature, in December, in Alexandria, is 58.6°F (14.8°C) and the average low-temperature is 44.1°F (6.7°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is estimated at 104°F (40°C).

What is the most humid month?

February and December, with an average relative humidity of 82%, are most humid months in Alexandria.

What is the average humidity in December in Alexandria?

The average relative humidity in December is 82%.

How much does it rain in December?

In Alexandria, during December, the rain falls for 13.4 days and regularly aggregates up to 3.31" (84mm) of precipitation.

When does it start to snow?

December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Alexandria have in December?

In December, the average day length is 10h and 9min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:51 am and sunset at 5:06 pm. On the last day of the month, in Alexandria, sunrise is at 7:08 am and sunset at 5:17 pm CST.

What is the month with the least sunshine in Alexandria?

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

How many hours of sunshine does Alexandria have in December?

The average sunshine duration in December is 4.9h.

What is the month with the lowest UV index in Alexandria?

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

How high is the UV index in December?

In Alexandria, Louisiana, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's 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
Alexandria, LA

Average temperature in December - Alexandria, LA
  • Average high temperature in December: 58.6°F

The warmest month (with the highest average high temperature) is July (93.2°F).
The month with the lowest average high temperature is January (56.1°F).

  • Average low temperature in December: 44.1°F

The months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).

Average pressure in December
Alexandria, LA

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

Average wind speed in December
Alexandria, LA

Average wind speed in December - Alexandria, 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 (5mph).

Average humidity in December
Alexandria, LA

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

The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Alexandria, LA

Average rainfall in December - Alexandria, LA
  • Average rainfall in December: 3.31"

The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is November (2.17").

Average rainfall days in December
Alexandria, LA

Average rainfall days in December - Alexandria, LA
  • Average rainfall days in December: 13.4 days

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is October (9.9 days).

Average snowfall in December
Alexandria, LA

Average snowfall in December - Alexandria, LA
  • Average snowfall in December: 0.04"

The month with the highest snowfall is January (0.55").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Alexandria, LA

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

The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are March, April, May, June, July, August, October and November (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 12min).
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 12min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

Average sunshine days in December
Alexandria, LA

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

The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is July (11.3 days).

Average UV index in December
Alexandria, LA

Average UV index in December - Alexandria, 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
Alexandria, LA

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

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 29).

Average visibility in December
Alexandria, LA

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

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

Alexandria, Louisiana, USA

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