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
As November makes way for December, Mount Holly's average high-temperature eases from a comfortable 63°F (17.2°C) to a cool 54.7°F (12.6°C). Throughout December, the nighttime temperature averages to a wintry 40.1°F (4.5°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 81%.Rainfall
In Mount Holly, in December, it is raining for 11 days, with typically 3.39" (86mm) of accumulated precipitation. Throughout the year, in Mount Holly, there are 146.4 rainfall days, and 32.87" (835mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Mount Holly, during the entire year, snow falls for 2.3 days and aggregates up to 1.02" (26mm) of snow.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:58 am and sunset at 5:04 pm. On the last day of December, sunrise is at 7:15 am and sunset at 5:14 pm CST.
Sunshine
The average sunshine in December is 5.1h.UV index
December is the month with the lowest UV index in Mount Holly, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What are the most humid months?
What is the average humidity in December?
How much does it rain in December?
When does it start to snow?
What is the month with the shortest days?
What is the average length of the day in December in Mount Holly?
What time are sunrise and sunset in December in Mount Holly?
How long on average sun shines in December?
When is the lowest UV index in Mount Holly?
What is the UV index intensity in December?
Average temperature in December
Mount Holly, AR
- Average high temperature in December: 54.7°F
The warmest month (with the highest average high temperature) is July (93.7°F).
The month with the lowest average high temperature is January (52°F).
- Average low temperature in December: 40.1°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (36.9°F).
Average pressure in December
Mount Holly, AR
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Mount Holly, AR
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Mount Holly, AR
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are July, August, September and October (71%).
Average rainfall in December
Mount Holly, AR
- Average rainfall in December: 3.39"
The wettest month (with the highest rainfall) is April (4.13").
The driest month (with the least rainfall) is November (2.05").
Average rainfall days in December
Mount Holly, AR
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is August (15.4 days).
The month with the least rainy days is October (9 days).
Average snowfall in December
Mount Holly, AR
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Mount Holly, AR
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Mount Holly, AR
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Mount Holly, AR
- Average sunshine days in December: 18 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is August (13.6 days).
Average UV index in December
Mount Holly, AR
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Mount Holly, AR
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June, July and August (Cloud cover 28).
Average visibility in December
Mount Holly, AR
- 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).
Mount Holly, Arkansas, USA
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