December weather forecast
Smiley Heights, LA

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Weather in December

The first month of the winter, December, is also an enjoyable month in Smiley Heights, Louisiana, with temperature in the range of an average high of 61.5°F (16.4°C) and an average low of 46.4°F (8°C).

Temperature

December witnesses a gentle descent in average high-temperature, descending from November's pleasant 68.4°F (20.2°C) to a comfortable 61.5°F (16.4°C). The average temperature during December nights in Smiley Heights, Louisiana, is registered at a chilly 46.4°F (8°C).

Humidity

The average relative humidity in December is 81%.

Rainfall

In Smiley Heights, Louisiana, in December, during 13.4 rainfall days, 3.35" (85mm) of precipitation is typically accumulated. In Smiley Heights, during the entire year, the rain falls for 177.1 days and collects up to 36.1" (917mm) of precipitation.

Snowfall

Months with snowfall in Smiley Heights are January and December. December is the first month it typically snows in Smiley Heights, Louisiana. Throughout December, in the average 0.1 snowfall days, it receives 0.24" (6mm) of snow. Throughout the year, in Smiley Heights, there are 0.5 snowfall days, and 0.51" (13mm) 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 6:44 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 5:14 pm CST.

Sunshine

December has the least sunshine of the year, with an average of 5h of sunshine.

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 unsafe exposure to UV radiation for the average person.
Note: In December, an average UV index of 3 transforms into the following instructions:
Act with care - The suggestion to avoid sunburn is emphasized. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the temperature in December in Smiley Heights?

In December, in Smiley Heights, the average high-temperature is 61.5°F (16.4°C), and the average low-temperature is 46.4°F (8°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is estimated at 105.8°F (41°C).

What is the average humidity in December in Smiley Heights?

In December, the average relative humidity in Smiley Heights is 81%.

How much does it rain in Smiley Heights in December?

In Smiley Heights, Louisiana, in December, it is raining for 13.4 days, with typically 3.35" (85mm) of accumulated precipitation.

When does it start to snow in Smiley Heights?

December is the first month it typically snows in Smiley Heights, Louisiana. Throughout December, in the average 0.1 snowfall days, it receives 0.24" (6mm) of snow.

What is the month with the shortest days in Smiley Heights?

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

What is the average length of the day in December in Smiley Heights?

The average day length in December in Smiley Heights is 10h and 13min.

When is the sunrise / sunset in December in Smiley Heights?

On the first day of December, sunrise is at 6:44 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 5:14 pm CST.

What is the month with the least sunshine in Smiley Heights?

December has the least sunshine of the year in Smiley Heights, Louisiana, with an average of 5h of sunshine.

How many hours of sunshine does Smiley Heights have in December?

The average sunshine duration in December is 5h.

What is the month with the lowest UV index in Smiley Heights?

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

What is the UV index intensity in December in Smiley Heights?

In December, the average daily maximum UV index in Smiley Heights 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
Smiley Heights, LA

Average temperature in December - Smiley Heights, LA
  • Average high temperature in December: 61.5°F

The warmest months (with the highest average high temperature) are July and August (91.9°F).
The month with the lowest average high temperature is January (58.6°F).

  • Average low temperature in December: 46.4°F

The month with the highest average low temperature is August (73.9°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).

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Average pressure in December
Smiley Heights, LA

Average pressure in December - Smiley Heights, LA
  • Average pressure in December: 30.13"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).

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Average wind speed in December
Smiley Heights, LA

Average wind speed in December - Smiley Heights, LA
  • Average wind speed in December: 6.3mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.4mph).

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Average humidity in December
Smiley Heights, LA

Average humidity in December - Smiley Heights, 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 (72%).

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Average rainfall in December
Smiley Heights, LA

Average rainfall in December - Smiley Heights, LA
  • Average rainfall in December: 3.35"

The wettest month (with the highest rainfall) is July (4.72").
The driest month (with the least rainfall) is November (1.77").

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Average rainfall days in December
Smiley Heights, LA

Average rainfall days in December - Smiley Heights, LA
  • Average rainfall days in December: 13.4 days

The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall in December
Smiley Heights, LA

Average snowfall in December - Smiley Heights, LA
  • Average snowfall in December: 0.24"

The month with the highest snowfall is January (0.28").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Smiley Heights, LA

Average snowfall days in December - Smiley Heights, 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 March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in December /
Average sunshine in December
Smiley Heights, LA

Average daylight in December / Average sunshine in December - Smiley Heights, 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 12min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days in December
Smiley Heights, LA

Average sunshine days in December - Smiley Heights, LA
  • Average sunshine days in December: 16.3 days

The month with the most sunshine days is November (19.6 days).
The months with the least sunshine days are July and August (7.3 days).

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Average UV index in December
Smiley Heights, LA

Average UV index in December - Smiley Heights, LA
  • Average UV index in December: 3

The months with the highest UV index are May, 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
Smiley Heights, LA

Average cloud cover in December - Smiley Heights, LA
  • Average cloud cover in December: 50

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 29).

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Average visibility in December
Smiley Heights, LA

Average visibility in December - Smiley Heights, LA
  • Average visibility in December: 5mi

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

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Smiley Heights, Louisiana, USA

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