December weather forecast
Highland Lakes, LA

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Weather in December

The first month of the winter, December, is still a comfortable month in Highland Lakes, Louisiana, with an average temperature varying between 61.9°F (16.6°C) and 46.9°F (8.3°C).

Temperature

A mild shift in the average high-temperature occurs in December, reducing from an agreeable 68.9°F (20.5°C) in November to a comfortable 61.9°F (16.6°C). Throughout December, Highland Lakes witnesses a consistent average low-temperature of 46.9°F (8.3°C).

Humidity

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

Rainfall

In Highland Lakes, Louisiana, in December, it is raining for 14.3 days, with typically 3.43" (87mm) of accumulated precipitation. In Highland Lakes, during the entire year, the rain falls for 187.5 days and collects up to 40" (1016mm) of precipitation.

Snowfall

January and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Highland Lakes, during the entire year, snow falls for 0.4 days and aggregates up to 0.24" (6mm) 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 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 5h of sunshine, December has the least sunshine of the year.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 3 translates into these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Jul 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December?

The average high-temperature, in December, in Highland Lakes, is 61.9°F (16.6°C), while the average low-temperature is 46.9°F (8.3°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in September is appraised at 105.8°F (41°C).

What are the most humid months?

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

What is the average humidity in December?

The average relative humidity in December is 81%.

How much does it rain in December?

In December, the rain falls for 14.3 days. Throughout December, 3.43" (87mm) of precipitation is accumulated.

When does it start snowing?

December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (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 Highland Lakes have in December?

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

What time are sunrise and sunset in December?

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.

What is the month with the least sunshine?

December has the least sunshine of the year in Highland Lakes, with an average of 5h of sunshine.

How many hours of sunshine does Highland Lakes have in December?

In Highland Lakes, the average sunshine duration in December is 5h.

When is 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?

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

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

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (59°F).

  • Average low temperature in December: 46.9°F

The month with the highest average low temperature is August (74.7°F).
The coldest month (with the lowest average low temperature) is January (43.2°F).

Average pressure in December
Highland Lakes, LA

Average pressure in December - Highland Lakes, 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
Highland Lakes, LA

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

The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in December
Highland Lakes, LA

Average humidity in December - Highland Lakes, 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
Highland Lakes, LA

Average rainfall in December - Highland Lakes, LA
  • Average rainfall in December: 3.43"

The wettest month (with the highest rainfall) is July (5.47").
The driest month (with the least rainfall) is November (1.93").

Average rainfall days in December
Highland Lakes, LA

Average rainfall days in December - Highland Lakes, LA
  • Average rainfall days in December: 14.3 days

The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is November (8.9 days).

Average snowfall in December
Highland Lakes, LA

Average snowfall in December - Highland Lakes, LA
  • Average snowfall in December: 0.04"

The month with the highest snowfall is January (0.2").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Highland Lakes, LA

Average snowfall days in December - Highland Lakes, LA
  • Average snowfall days in December: 0.1 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 and November (0 days).

Average daylight in December /
Average sunshine in December
Highland Lakes, LA

Average daylight in December / Average sunshine in December - Highland Lakes, 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 0min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in December
Highland Lakes, LA

Average sunshine days in December - Highland Lakes, LA
  • Average sunshine days in December: 15.4 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (5.9 days).

Average UV index in December
Highland Lakes, LA

Average UV index in December - Highland Lakes, 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
Highland Lakes, LA

Average cloud cover in December - Highland Lakes, LA
  • Average cloud cover in December: 48

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 27).

Average visibility in December
Highland Lakes, LA

Average visibility in December - Highland Lakes, 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).

Highland Lakes, Louisiana, USA

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