December weather forecastBethany, LA
December
Weather in December
December, the first month of the winter in Bethany, is still a refreshing month, with an average temperature fluctuating between 41.7°F (5.4°C) and 56.3°F (13.5°C).Temperature
With the onset of December, Bethany's average high-temperature slightly adjusts, moderately receding from November's comfortable 64.6°F (18.1°C) to a mild 56.3°F (13.5°C). Throughout December, Bethany records an average temperature of 41.7°F (5.4°C) at night.Humidity
In Bethany, the average relative humidity in December is 80%.Rainfall
In Bethany, in December, it is raining for 12.5 days, with typically 3.43" (87mm) of accumulated precipitation. In Bethany, during the entire year, the rain falls for 161.5 days and collects up to 39.13" (994mm) of precipitation.Snowfall
January through March, September, November and December are months with snowfall. In Bethany, in December, snow falls for 0.5 days, with typically accumulated 0.04" (1mm) of snow. In Bethany, Louisiana, during the entire year, snow falls for 3.4 days and aggregates up to 1.61" (41mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 6min of daylight.On the first day of December, sunrise is at 7:00 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:21 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 4.9h 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 of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: During December, 3 as the daily maximum UV index converts into the following advice:
Make use of precautions - It is urged to ward off sun damage. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bethany, LA
- Average high temperature in December: 56.3°F
The warmest month (with the highest average high temperature) is August (95.2°F).
The month with the lowest average high temperature is January (54.3°F).
- Average low temperature in December: 41.7°F
The month with the highest average low temperature is July (73.8°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in December
Bethany, 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 (29.93"Hg).
Average wind speed in December
Bethany, LA
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest months (with the lowest average wind speed) are August and September (5.2mph).
Average humidity in December
Bethany, LA
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Bethany, LA
- Average rainfall in December: 3.43"
The wettest month (with the highest rainfall) is April (4.49").
The driest month (with the least rainfall) is July (2.52").
Average rainfall days in December
Bethany, LA
- Average rainfall days in December: 12.5 days
The months with the highest number of rainy days are March and August (15.8 days).
The month with the least rainy days is October (9.9 days).
Average snowfall in December
Bethany, LA
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in December
Bethany, LA
- Average snowfall days in December: 0.5 days
The months with the highest number of snowfall days are January and February (1.1 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in December /
Average sunshine in December
Bethany, LA
- Average daylight in December: 10h and 6min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 4h and 54min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Bethany, LA
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is October (19.2 days).
The months with the least sunshine days are February and June (12.8 days).
Average UV index in December
Bethany, LA
- Average UV index in December: 3
The months with the highest UV index are 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
Bethany, LA
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility in December
Bethany, LA
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).





