Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The start of December involves a subtle temperature drop, shifting from a pleasant 68.4°F (20.2°C) in November to a comfortable 61.9°F (16.6°C). Throughout December, the nighttime temperature averages to a chilly 48°F (8.9°C).Humidity
In December, the average relative humidity is 80%.Rainfall
In Youngsville, in December, during 10.2 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. In Youngsville, during the entire year, the rain falls for 143.3 days and collects up to 17.91" (455mm) of precipitation.Snowfall
In Youngsville, snow does not fall in February through December.Daylight
December has the shortest days of the year, with an average of 10h and 12min of daylight.On the first day of the month, sunrise is at 6:46 am and sunset at 5:07 pm. On the last day of December, sunrise is at 7:03 am and sunset at 5:18 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 3 in December leads to these recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the average humidity in December?
How much does it rain in December?
When it does not snow?
Does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Youngsville have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Youngsville, LA
- Average high temperature in December: 61.9°F
The warmest month (with the highest average high temperature) is August (90°F).
The month with the lowest average high temperature is January (58.8°F).
- Average low temperature in December: 48°F
The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).
Average pressure in December
Youngsville, 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 (29.95"Hg).
Average wind speed in December
Youngsville, LA
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest months (with the lowest average wind speed) are July, August and September (5.3mph).
Average humidity in December
Youngsville, LA
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Youngsville, LA
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is August (2.8").
The driest month (with the least rainfall) is March (0.83").
Average rainfall days in December
Youngsville, LA
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is August (20 days).
The months with the least rainy days are January and November (7.8 days).
Average snowfall days in December
Youngsville, LA
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Youngsville, 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 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Youngsville, LA
- Average sunshine days in December: 18.1 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is August (8 days).
Average UV index in December
Youngsville, LA
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Youngsville, LA
- Average cloud cover in December: 47
The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 25).
Average visibility in December
Youngsville, 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).
Youngsville, Louisiana, USA
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