December weather forecastLongleaf, LA
December
Weather in December
The first month of the winter, December, is still a mild month in Longleaf, Louisiana, with an average temperature varying between 59.7°F (15.4°C) and 44.8°F (7.1°C).Temperature
As November makes way for December, Longleaf's average high-temperature eases from a refreshing 66.7°F (19.3°C) to a moderate 59.7°F (15.4°C). The nights of December anticipate an average low-temperature of 44.8°F (7.1°C).Humidity
In December, the average relative humidity is 82%.Rainfall
In Longleaf, in December, it is raining for 13.6 days, with typically 3.35" (85mm) of accumulated precipitation. Throughout the year, there are 159.5 rainfall days, and 34.25" (870mm) of precipitation is accumulated.Snowfall
Months with snowfall are January, February and December. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow. In Longleaf, during the entire year, snow falls for 1 days and aggregates up to 0.71" (18mm) 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 6:51 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:18 pm CST.
Sunshine
The month with the least sunshine in Longleaf is December, with an average of 4.8h 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 exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 3 in December interprets into the following advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Longleaf, LA
- Average high temperature in December: 59.7°F
The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (57°F).
- Average low temperature in December: 44.8°F
The month with the highest average low temperature is August (73.2°F).
The coldest month (with the lowest average low temperature) is January (41°F).
Average pressure in December
Longleaf, 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 (29.94"Hg).
Average wind speed in December
Longleaf, LA
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).
Average humidity in December
Longleaf, LA
- Average humidity in December: 82%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Longleaf, LA
- Average rainfall in December: 3.35"
The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in December
Longleaf, LA
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is August (16.8 days).
The month with the least rainy days is October (9.7 days).
Average snowfall in December
Longleaf, LA
- Average snowfall in December: 0.08"
The month with the highest snowfall is January (0.59").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Longleaf, LA
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Longleaf, 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: 4h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Longleaf, LA
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is October (20 days).
The month with the least sunshine days is August (12.3 days).
Average UV index in December
Longleaf, LA
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Longleaf, LA
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in December
Longleaf, LA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, October, November and December (6mi).
The months with the lowest visibility are April, May, June, July, August and September (5mi).
