December weather forecastWinchester, LA
December
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 10h and 12min
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: 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: 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: 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: 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).





