December weather forecast
Round Oak, LA

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Weather in December

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

Temperature

A minor decrease in the average high-temperature is observed during December, shifting from a pleasant 68.9°F (20.5°C) in November to a comfortable 61.9°F (16.6°C). Throughout December, Round Oak registers 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 December, the rain falls for 14.3 days. Throughout December, 3.43" (87mm) of precipitation is accumulated. In Round Oak, 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. Throughout the year, there are 0.4 snowfall days, and 0.24" (6mm) of snow is accumulated.

Daylight

The month with the shortest days is December, 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

The month with the least sunshine is December, with an average of 5h of sunshine.

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: An average maximum UV index of 3 in December leads to these recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

In December, the average high-temperature and low-temperature in Round Oak are 61.9°F (16.6°C) and 46.9°F (8.3°C) respectively. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, 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.

What is the average humidity in December?

In December, the average relative humidity is 81%.

How much does it rain in Round Oak in December?

In Round Oak, Louisiana, in December, during 14.3 rainfall days, 3.43" (87mm) of precipitation is typically accumulated.

When does it start to snow?

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?

The month with the shortest days is December, with an average of 10h and 12min of daylight.

How many hours of daylight does Round Oak have in December?

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

When are sunrise and sunset in December in Round Oak?

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, with an average of 5h of sunshine.

How many hours of sunshine does Round Oak have in December?

In December, the average sunshine duration is 5h.

When is the lowest UV index?

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

What is the UV index intensity in December?

In Round Oak, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium health risk 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
Round Oak, LA

Average temperature in December - Round Oak, 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
Round Oak, LA

Average pressure in December - Round Oak, 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
Round Oak, LA

Average wind speed in December - Round Oak, 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
Round Oak, LA

Average humidity in December - Round Oak, 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
Round Oak, LA

Average rainfall in December - Round Oak, 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
Round Oak, LA

Average rainfall days in December - Round Oak, 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
Round Oak, LA

Average snowfall in December - Round Oak, 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
Round Oak, LA

Average snowfall days in December - Round Oak, 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
Round Oak, LA

Average daylight in December / Average sunshine in December - Round Oak, 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
Round Oak, LA

Average sunshine days in December - Round Oak, 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
Round Oak, LA

Average UV index in December - Round Oak, 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
Round Oak, LA

Average cloud cover in December - Round Oak, 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
Round Oak, LA

Average visibility in December - Round Oak, 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).

Round Oak, Louisiana, USA

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