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 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 shift from November to December includes a minor decrease in the average high-temperature, lightly dropping from an agreeable 68.9°F (20.5°C) to an enjoyable 61.9°F (16.6°C). Holly Beach's nighttime temperature during December is consistently averaged at a chilly 49.3°F (9.6°C).Humidity
In Holly Beach, the average relative humidity in December is 79%.Rainfall
In Holly Beach, during December, the rain falls for 14.3 days and regularly aggregates up to 3.07" (78mm) of precipitation. In Holly Beach, during the entire year, the rain falls for 168 days and collects up to 34.96" (888mm) of precipitation.Snowfall
January and December are months with snowfall. The month with the most snowfall is December, when snow falls for 0.1 days and typically aggregates up to 0.12" (3mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 18min of daylight.On the first day of December in Holly Beach, sunrise is at 6:52 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:25 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 4.9h of sunshine.UV index
With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: During December, 3 as the daily maximum UV index converts into the following advice:
Take necessary precautions - Defending against sun damage is advocated. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December?
How much does it rain in December?
When does it snow the most?
When does it start snowing?
What is the month with the shortest days in Holly Beach?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the month with the lowest UV index in Holly Beach?
What is the UV index reading in December?
Average temperature in December
Holly Beach, LA
- Average high temperature in December: 61.9°F
The warmest month (with the highest average high temperature) is August (91.2°F).
The month with the lowest average high temperature is January (59.5°F).
- Average low temperature in December: 49.3°F
The month with the highest average low temperature is July (77.2°F).
The coldest month (with the lowest average low temperature) is January (46°F).
Average pressure in December
Holly Beach, LA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.94"Hg).
Average wind speed in December
Holly Beach, LA
- Average wind speed in December: 9mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Holly Beach, LA
- Average humidity in December: 79%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Holly Beach, LA
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is August (5").
The driest month (with the least rainfall) is April (2.09").
Average rainfall days in December
Holly Beach, LA
- Average rainfall days in December: 14.3 days
The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in December
Holly Beach, LA
- Average snowfall in December: 0.12"
The month with the highest snowfall is December (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Holly Beach, 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 February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Holly Beach, LA
- Average daylight in December: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Holly Beach, LA
- Average sunshine days in December: 15 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is August (10.3 days).
Average UV index in December
Holly Beach, 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
Holly Beach, LA
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 26).
Average visibility in December
Holly Beach, 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).
Holly Beach, Louisiana, USA
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