December weather forecast
Sterlington, LA

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Weather in December

December, the first month of the winter in Sterlington, is still a refreshing month, with an average temperature varying between 42.6°F (5.9°C) and 56.3°F (13.5°C).

Temperature

A mild shift in the average high-temperature occurs in December, reducing from a refreshing 64.6°F (18.1°C) in November to a mild 56.3°F (13.5°C). An average low-temperature of 42.6°F (5.9°C) marks the month of December.

Humidity

The average relative humidity in December is 81%.

Rainfall

In December, the rain falls for 13.4 days. Throughout December, 3.46" (88mm) of precipitation is accumulated. Throughout the year, there are 149.8 rainfall days, and 35.51" (902mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March and December. December is the first month it typically snows in Sterlington. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Sterlington, during the entire year, snow falls for 2.1 days and aggregates up to 0.43" (11mm) of snow.

Daylight

The month with the shortest days in Sterlington is December, with an average of 10h and 0min of daylight.
On the first day of December in Sterlington, Louisiana, sunrise is at 6:53 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:12 pm CST.

Sunshine

The average sunshine in December in Sterlington is 4.9h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 3 during December translates into the following directions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What is the usual temperature for Sterlington in December?

December temperatures in Sterlington, Louisiana, vary between a high-temperature of 56.3°F (13.5°C) and a low-temperature of 42.6°F (5.9°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is computed to be 100.4°F (38°C).

What is the average humidity in December in Sterlington?

The average relative humidity in December in Sterlington, Louisiana, is 81%.

How many days does it rain in December in Sterlington?

In Sterlington, in December, it is raining for 13.4 days, with typically 3.46" (88mm) of accumulated precipitation.

When does it start snowing in Sterlington?

December is the first month it typically snows in Sterlington, Louisiana. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days in Sterlington?

With an average of 10h and 0min of daylight, December has the shortest days of the year in Sterlington.

What is the average length of the day in December in Sterlington?

In Sterlington, Louisiana, the average day length in December is 10h and 2min.

When are sunrise and sunset in December in Sterlington?

On the first day of December in Sterlington, Louisiana, sunrise is at 6:53 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:12 pm CST.

How many hours of sunshine does Sterlington have in December?

In December, the average sunshine duration in Sterlington, Louisiana, is 4.9h.

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

The months with the lowest UV index in Sterlington are January and December, with an average maximum UV index of 3.

What is the UV index reading in December in Sterlington?

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 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
Sterlington, LA

Average temperature in December - Sterlington, LA
  • Average high temperature in December: 56.3°F

The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (53.8°F).

  • Average low temperature in December: 42.6°F

The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (39.4°F).

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Average pressure in December
Sterlington, LA

Average pressure in December - Sterlington, LA
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in December
Sterlington, LA

Average wind speed in December - Sterlington, LA
  • Average wind speed in December: 6.9mph

The windiest months (with the highest average wind speed) are March and April (7.6mph).
The calmest months (with the lowest average wind speed) are July, August and September (5.3mph).

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Average humidity in December
Sterlington, LA

Average humidity in December - Sterlington, LA
  • Average humidity in December: 81%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in December
Sterlington, LA

Average rainfall in December - Sterlington, LA
  • Average rainfall in December: 3.46"

The wettest month (with the highest rainfall) is April (4.17").
The driest month (with the least rainfall) is September (1.5").

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Average rainfall days in December
Sterlington, LA

Average rainfall days in December - Sterlington, LA
  • Average rainfall days in December: 13.4 days

The month with the highest number of rainy days is March (15.2 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall in December
Sterlington, LA

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

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

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Average snowfall days in December
Sterlington, LA

Average snowfall days in December - Sterlington, LA
  • Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight in December /
Average sunshine in December
Sterlington, LA

Average daylight in December / Average sunshine in December - Sterlington, LA
  • Average daylight in December: 10h and 0min

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

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in December
Sterlington, LA

Average sunshine days in December - Sterlington, LA
  • Average sunshine days in December: 15 days

The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is February (13.2 days).

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Average UV index in December
Sterlington, LA

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

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

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Average cloud cover in December
Sterlington, LA

Average cloud cover in December - Sterlington, LA
  • Average cloud cover in December: 48

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and October (Cloud cover 28).

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Average visibility in December
Sterlington, LA

Average visibility in December - Sterlington, 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).

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Sterlington, Louisiana, USA

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