December weather forecast
Winchester, LA

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Weather in December

December, the first month of the winter in Winchester, is still a comfortable month, 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's arrival aligns with a minor decrease in average high-temperatures, from November's pleasant 68.4°F (20.2°C) to a refreshing 61.5°F (16.4°C). Winchester, during the nights of December, experiences an average temperature drop to a frosty 46.4°F (8°C).

Humidity

The average relative humidity in December is 81%.

Rainfall

In Winchester, in December, it is raining for 13.4 days, with typically 3.35" (85mm) of accumulated precipitation. Throughout the year, in Winchester, Louisiana, there are 177.1 rainfall days, and 36.1" (917mm) 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 0.24" (6mm) of snow. In Winchester, during the entire year, snow falls for 0.5 days and aggregates up to 0.51" (13mm) of snow.

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

The month with the least sunshine is December, 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 value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: An average maximum UV index of 3 in December leads to these recommendations:
Ensure safety - Sun damage prevention is strongly urged. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature?

Winchester in December has an average high-temperature of 61.5°F (16.4°C) and an average low-temperature of 46.4°F (8°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 105.8°F (41°C).

What is the average humidity in December?

In December, the average relative humidity is 81%.

How many days does it rain in December?

In Winchester, in December, during 13.4 rainfall days, 3.35" (85mm) 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 0.24" (6mm) 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.

How many hours of daylight does Winchester have in December?

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

When is the sunrise / sunset in December?

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?

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

How long on average sun shines in December in Winchester?

In December, the average sunshine duration is 5h.

When is the lowest UV index in Winchester?

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

What is the UV index reading in December?

In December, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from 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
Winchester, LA

Average temperature in December - Winchester, 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).

Average pressure in December
Winchester, LA

Average pressure in December - Winchester, 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).

Average wind speed in December
Winchester, LA

Average wind speed in December - Winchester, 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).

Average humidity in December
Winchester, LA

Average humidity in December - Winchester, 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%).

Average rainfall in December
Winchester, LA

Average rainfall in December - Winchester, 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").

Average rainfall days in December
Winchester, LA

Average rainfall days in December - Winchester, 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).

Average snowfall in December
Winchester, LA

Average snowfall in December - Winchester, 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").

Average snowfall days in December
Winchester, LA

Average snowfall days in December - Winchester, 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).

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

Average daylight in December / Average sunshine in December - Winchester, 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).

Average sunshine days in December
Winchester, LA

Average sunshine days in December - Winchester, 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).

Average UV index in December
Winchester, LA

Average UV index in December - Winchester, 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).

Average cloud cover in December
Winchester, LA

Average cloud cover in December - Winchester, 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).

Average visibility in December
Winchester, LA

Average visibility in December - Winchester, 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).

Winchester, Louisiana, USA

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