December weather forecastArabi, LA

December

Weather in December

The first month of the winter, December, is still a refreshing month in Arabi, Louisiana, with an average temperature varying between 52.5°F (11.4°C) and 63.5°F (17.5°C).

Temperature

A mild shift in the average high-temperature occurs in December, reducing from a pleasant 68.9°F (20.5°C) in November to a comfortable 63.5°F (17.5°C). An average temperature of 52.5°F (11.4°C) is recorded during the nights in December.

Humidity

February and December, with an average relative humidity of 77%, are the most humid months in Arabi.

Rainfall

In December, the rain falls for 7.8 days. Throughout December, 0.79" (20mm) of precipitation is accumulated. Throughout the year, there are 112.1 rainfall days, and 9.37" (238mm) of precipitation is accumulated.

Snowfall

In Arabi, snow does not fall in February through December.

Daylight

With an average of 10h and 18min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:38 am and sunset at 4:59 pm. On the last day of December, sunrise is at 6:55 am and sunset at 5:11 pm CST.

Sunshine

With an average of 5.1h 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 value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 3 during December leads to these advisories:
Undertake precautions - Guarding against sun damage is counselled. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Updated: Jul 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in December, in Arabi, records 63.5°F (17.5°C), while the low-temperature is 52.5°F (11.4°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in September is estimated at 98.6°F (37°C).

February and December, with an average relative humidity of 77%, are most humid months.

In December, the average relative humidity is 77%.

In December, the rain falls for 7.8 days. Throughout December, 0.79" (20mm) of precipitation is accumulated.

In Arabi, snow does not fall in February through December.

In Arabi, in December, it doesn't snow. In January, it regularly snows.

The month with the shortest days is December, with an average of 10h and 18min of daylight.

In Arabi, the average day length in December is 10h and 16min.

In December, on the first day of the month, sunrise is at 6:38 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 5:11 pm CST.

December has the least sunshine of the year in Arabi, with an average of 5.1h of sunshine.

In Arabi, the average sunshine duration in December is 5.1h.

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

In Arabi, 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 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 days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Arabi, LA

  • Average high temperature in December: 63.5°F

The warmest months (with the highest average high temperature) are July and August (89.4°F).
The month with the lowest average high temperature is January (60.4°F).

  • Average low temperature in December: 52.5°F

The month with the highest average low temperature is August (79.5°F).
The coldest month (with the lowest average low temperature) is January (48.6°F).

Average pressure in December
Arabi, 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, August and September (29.97"Hg).

Average wind speed in December
Arabi, LA

  • Average wind speed in December: 9.4mph

The windiest months (with the highest average wind speed) are February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in December
Arabi, LA

  • Average humidity in December: 77%

The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Arabi, LA

  • Average rainfall in December: 0.79"

The wettest month (with the highest rainfall) is July (1.57").
The driest months (with the least rainfall) are March and April (0.43").

Average rainfall days in December
Arabi, LA

  • Average rainfall days in December: 7.8 days

The month with the highest number of rainy days is August (17.2 days).
The month with the least rainy days is November (4.7 days).

Average snowfall days in December
Arabi, LA

  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in December /
Average sunshine in December
Arabi, 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: 5h and 6min

The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in December
Arabi, LA

  • Average sunshine days in December: 21.6 days

The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is August (8.9 days).

Average UV index in December
Arabi, LA

  • Average UV index in December: 3

The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in December
Arabi, LA

  • Average cloud cover in December: 44

The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 24).

Average visibility in December
Arabi, 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).