December weather forecastHackberry, LA

December

Weather in December

December, the first month of the winter in Hackberry, is still a comfortable month, with an average temperature varying between 61.9°F (16.6°C) and 49.3°F (9.6°C).

Temperature

The beginning of December subtly marks a decrease in the average high-temperature, transitioning from a pleasant 68.9°F (20.5°C) in November to an enjoyable 61.9°F (16.6°C). An average minimum temperature of 49.3°F (9.6°C) marks the month of December.

Humidity

In Hackberry, the average relative humidity in December is 79%.

Rainfall

In Hackberry, during December, the rain falls for 14.3 days and regularly aggregates up to 3.07" (78mm) of precipitation. In Hackberry, during the entire year, the rain falls for 168 days and collects up to 34.96" (888mm) of precipitation.

Snowfall

January and December are months with snowfall. The month with the most snowfall is December, when snow falls for 0.1 days and typically aggregates up to 0.12" (3mm) of snow.

Daylight

The month with the shortest days is December, with an average of 10h and 18min of daylight.
On the first day of December, sunrise is at 6:52 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:24 pm CST.

Sunshine

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

UV index

December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily maximum UV index of 3 in December translates into the following instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

December temperatures vary between a high-temperature of 61.9°F (16.6°C) and a low-temperature of 49.3°F (9.6°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in September is appraised at 102.2°F (39°C).

The average relative humidity in December is 79%.

In Hackberry, in December, during 14.3 rainfall days, 3.07" (78mm) of precipitation is typically accumulated.

December is the month with the most snowfall. Snow falls for 0.1 days and accumulates 0.12" (3mm) of snow.

December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.12" (3mm) of snow.

December has the shortest days of the year, with an average of 10h and 18min of daylight.

The average day length in December is 10h and 15min.

On the first day of December, sunrise is at 6:52 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:24 pm CST.

The month with the least sunshine is December, with an average of 4.9h of sunshine.

In December, the average sunshine duration is 4.9h.

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

In Hackberry, Louisiana, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Hackberry, LA

  • Average high temperature in December: 61.9°F

The warmest month (with the highest average high temperature) is August (91.2°F).
The month with the lowest average high temperature is January (59.5°F).

  • Average low temperature in December: 49.3°F

The month with the highest average low temperature is July (77.2°F).
The coldest month (with the lowest average low temperature) is January (46°F).

Average pressure in December
Hackberry, LA

  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.94"Hg).

Average wind speed in December
Hackberry, LA

  • Average wind speed in December: 9mph

The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in December
Hackberry, LA

  • Average humidity in December: 79%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Hackberry, LA

  • Average rainfall in December: 3.07"

The wettest month (with the highest rainfall) is August (5").
The driest month (with the least rainfall) is April (2.09").

Average rainfall days in December
Hackberry, LA

  • Average rainfall days in December: 14.3 days

The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is November (9.7 days).

Average snowfall in December
Hackberry, LA

  • Average snowfall in December: 0.12"

The month with the highest snowfall is December (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Hackberry, 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
Hackberry, LA

  • Average daylight in December: 10h and 18min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in December: 4h and 54min

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
Hackberry, LA

  • Average sunshine days in December: 15 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is August (10.3 days).

Average UV index in December
Hackberry, 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
Hackberry, LA

  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 26).

Average visibility in December
Hackberry, LA

  • Average visibility in December: 6mi

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