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 onset of December entails a subtle temperature shift, as the average high-temperature eases from an agreeable 68.7°F (20.4°C) in November to a comfortable 61.7°F (16.5°C). In Greenwell Springs, the December nights cool down to an average low of 46.9°F (8.3°C).Humidity
The months with the highest humidity in Greenwell Springs are February and December, with an average relative humidity of 81%.Rainfall
In Greenwell Springs, Louisiana, in December, during 6.5 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. Throughout the year, there are 96.2 rainfall days, and 7.05" (179mm) of precipitation is accumulated.Snowfall
January and December are months with snowfall. The months with the most snowfall days are January and December, with an average of 0.1 snowfall days.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 5:02 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 5:13 pm CST.
Sunshine
With an average of 4.8h of sunshine, December has the least sunshine of the year.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 3 transforms into these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Greenwell Springs in December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
When does it snow the most?
When does it start snowing?
What is the month with the shortest days?
How many hours of daylight does Greenwell Springs have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Greenwell Springs have in December?
When is the lowest UV index?
What is the UV index reading in December in Greenwell Springs?
Average temperature in December
Greenwell Springs, LA
- Average high temperature in December: 61.7°F
The warmest month (with the highest average high temperature) is July (92.3°F).
The month with the lowest average high temperature is January (58.8°F).
- Average low temperature in December: 46.9°F
The month with the highest average low temperature is August (74.3°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).
Average pressure in December
Greenwell Springs, LA
- Average pressure in December: 30.13"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
Greenwell Springs, LA
- Average wind speed in December: 6.3mph
The windiest months (with the highest average wind speed) are February and April (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.3mph).
Average humidity in December
Greenwell Springs, LA
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Greenwell Springs, LA
- Average rainfall in December: 0.47"
The wettest month (with the highest rainfall) is July (1.1").
The driest months (with the least rainfall) are March and September (0.28").
Average rainfall days in December
Greenwell Springs, LA
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is July (12.4 days).
The month with the least rainy days is November (4.6 days).
Average snowfall days in December
Greenwell Springs, LA
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are January and December (0.1 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
Greenwell Springs, 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: 4h and 5min
The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Greenwell Springs, LA
- Average sunshine days in December: 22.5 days
The month with the most sunshine days is November (24.1 days).
The month with the least sunshine days is July (12.5 days).
Average UV index in December
Greenwell Springs, 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
Greenwell Springs, LA
- Average cloud cover in December: 51
The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Greenwell Springs, 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).
Greenwell Springs, Louisiana, USA
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