December weather forecast
Leighton, LA

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Weather in December

December, the first month of the winter in Leighton, is still a comfortable month, with an average temperature ranging between min 50.2°F (10.1°C) and max 63.7°F (17.6°C).

Temperature

The start of December comes with a small reduction in the average high-temperature, subtly receding from an agreeable 69.4°F (20.8°C) in November to a comfortable 63.7°F (17.6°C). An average minimum temperature of 50.2°F (10.1°C) marks the month of December in Leighton.

Humidity

July through September and December, with an average relative humidity of 79%, are the most humid months.

Rainfall

In Leighton, in December, it is raining for 11.8 days, with typically 1.85" (47mm) of accumulated precipitation. In Leighton, during the entire year, the rain falls for 166.9 days and collects up to 25.39" (645mm) of precipitation.

Snowfall

Months with snowfall are January and December. December is the first month it typically snows. Throughout December, there are 0.1 snowfall days. Throughout the year, there are 0.4 snowfall days.

Daylight

With an average of 10h and 18min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:41 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 5:14 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 5.2h of sunshine.

UV index

January, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 4 during December translates into the following recommendations:
Take precautions - Protection against sun damage is advised. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December?

Leighton in December has an average high-temperature of 63.7°F (17.6°C) and an average low-temperature of 50.2°F (10.1°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, is computed to be 102.2°F (39°C).

What are the most humid months?

The months with the highest humidity are July through September and December, with an average relative humidity of 79%.

What is the average humidity in December?

In Leighton, the average relative humidity in December is 79%.

How many days does it rain in December?

In Leighton, during December, the rain falls for 11.8 days and regularly aggregates up to 1.85" (47mm) of precipitation.

When does it start to snow?

December is the first month it typically snows. Throughout December, there are 0.1 snowfall days.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 10h and 18min of daylight.

What is the average length of the day in December?

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

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:41 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 5:14 pm CST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 5.2h of sunshine.

How long on average sun shines in December?

The average sunshine duration in December is 5.2h.

When is the lowest UV index in Leighton?

January, November and December, with an average maximum UV index of 4, are months with the lowest UV index.

What is the UV index reading in December?

In Leighton, the average daily maximum UV index in December is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Leighton, LA

Average temperature in December - Leighton, LA
  • Average high temperature in December: 63.7°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (60.8°F).

  • Average low temperature in December: 50.2°F

The months with the highest average low temperature are July and August (75.7°F).
The coldest month (with the lowest average low temperature) is January (46.2°F).

Average pressure in December
Leighton, LA

Average pressure in December - Leighton, LA
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in December
Leighton, LA

Average wind speed in December - Leighton, LA
  • Average wind speed in December: 7.8mph

The windiest months (with the highest average wind speed) are February and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in December
Leighton, LA

Average humidity in December - Leighton, LA
  • Average humidity in December: 79%

The months with the highest relative humidity are July, August, September and December (79%).
The month with the lowest relative humidity is October (74%).

Average rainfall in December
Leighton, LA

Average rainfall in December - Leighton, LA
  • Average rainfall in December: 1.85"

The wettest month (with the highest rainfall) is July (4.61").
The driest month (with the least rainfall) is November (1.14").

Average rainfall days in December
Leighton, LA

Average rainfall days in December - Leighton, LA
  • Average rainfall days in December: 11.8 days

The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (7.2 days).

Average snowfall days in December
Leighton, LA

Average snowfall days in December - Leighton, 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
Leighton, LA

Average daylight in December / Average sunshine in December - Leighton, LA
  • Average daylight in December: 10h and 2min

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 1min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in December
Leighton, LA

Average sunshine days in December - Leighton, LA
  • Average sunshine days in December: 17 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is August (5.8 days).

Average UV index in December
Leighton, LA

Average UV index in December - Leighton, LA
  • Average UV index in December: 4

The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, November and December (UV index 4).

Average cloud cover in December
Leighton, LA

Average cloud cover in December - Leighton, LA
  • Average cloud cover in December: 45

The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 24).

Average visibility in December
Leighton, LA

Average visibility in December - Leighton, 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).

Leighton, Louisiana, USA

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