December weather forecast
Sun, LA

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Weather in December

The first month of the winter, December, is also an enjoyable month in Sun, Louisiana, with an average temperature fluctuating between 61.3°F (16.3°C) and 46.2°F (7.9°C).

Temperature

December marks a gentle change in average high-temperature, declining from November's pleasant 68°F (20°C) to an enjoyable 61.3°F (16.3°C). In the month of December, Sun witnesses a consistent average low-temperature of 46.2°F (7.9°C).

Humidity

With an average relative humidity of 80%, December is the most humid month.

Rainfall

In Sun, in December, it is raining for 14.4 days, with typically 3.78" (96mm) of accumulated precipitation. Throughout the year, there are 177.1 rainfall days, and 35.67" (906mm) of precipitation is accumulated.

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 0.28" (7mm) of snow is accumulated.

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 6:39 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 5:09 pm CST.

Sunshine

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

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 3 in December translates into these instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December?

The high-temperature, in December, in Sun, records 61.3°F (16.3°C), while the low-temperature is 46.2°F (7.9°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, is calculated to be 104°F (40°C).

What is the most humid month?

December is the most humid month, with an average relative humidity of 80%.

What is the average humidity in December?

In December, the average relative humidity is 80%.

How many days does it rain in December?

In Sun, in December, during 14.4 rainfall days, 3.78" (96mm) of precipitation is typically accumulated.

When does it start to snow?

December is the first month it typically snows in Sun. 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.

What is the average length of the day in December?

The average day length in December is 10h and 12min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:39 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 5:09 pm CST.

What is the month with the least sunshine?

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

How long on average sun shines in December?

The average sunshine duration in December is 4.9h.

What are the months with the lowest UV index in Sun?

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 Sun, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
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
Sun, LA

Average temperature in December - Sun, LA
  • Average high temperature in December: 61.3°F

The warmest months (with the highest average high temperature) are July and August (91.6°F).
The month with the lowest average high temperature is January (58.6°F).

  • Average low temperature in December: 46.2°F

The month with the highest average low temperature is August (74.1°F).
The coldest month (with the lowest average low temperature) is January (41.7°F).

Average pressure in December
Sun, LA

Average pressure in December - Sun, LA
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).

Average wind speed in December
Sun, LA

Average wind speed in December - Sun, LA
  • Average wind speed in December: 6.1mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).

Average humidity in December
Sun, LA

Average humidity in December - Sun, LA
  • Average humidity in December: 80%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (70%).

Average rainfall in December
Sun, LA

Average rainfall in December - Sun, LA
  • Average rainfall in December: 3.78"

The wettest month (with the highest rainfall) is August (4.65").
The driest month (with the least rainfall) is November (1.85").

Average rainfall days in December
Sun, LA

Average rainfall days in December - Sun, LA
  • Average rainfall days in December: 14.4 days

The month with the highest number of rainy days is August (22.1 days).
The month with the least rainy days is November (8.6 days).

Average snowfall in December
Sun, LA

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

The month with the highest snowfall is January (0.24").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Sun, LA

Average snowfall days in December - Sun, 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
Sun, LA

Average daylight in December / Average sunshine in December - Sun, 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: 4h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

Average sunshine days in December
Sun, LA

Average sunshine days in December - Sun, LA
  • Average sunshine days in December: 14.8 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is August (7.1 days).

Average UV index in December
Sun, LA

Average UV index in December - Sun, LA
  • Average UV index in December: 3

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

Average cloud cover in December
Sun, LA

Average cloud cover in December - Sun, LA
  • Average cloud cover in December: 49

The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 28).

Average visibility in December
Sun, LA

Average visibility in December - Sun, LA
  • Average visibility in December: 5mi

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

Sun, Louisiana, USA

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