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
Mount Holly's transition into December involves a gentle shift in temperature, receding from a cool 55°F (12.8°C) in November to a chilly 47.1°F (8.4°C). Mount Holly experiences a consistent average temperature of 36.9°F (2.7°C) throughout the nights in December.Humidity
The average relative humidity in December is 76%.Rainfall
In Mount Holly, in December, it is raining for 8.2 days, with typically 1.02" (26mm) of accumulated precipitation. In Mount Holly, during the entire year, the rain falls for 146.1 days and collects up to 17.83" (453mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Mount Holly. In December, in Mount Holly, it is snowing for 1.8 days. Throughout December, 0.71" (18mm) of snow is accumulated. In Mount Holly, during the entire year, snow falls for 9 days and aggregates up to 2.76" (70mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of December in Mount Holly, sunrise is at 7:04 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:57 pm EST.
Sunshine
The average sunshine in December is 5.3h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
What are the temperatures in Mount Holly in December?
What is the average humidity in December in Mount Holly?
How many days does it rain in December in Mount Holly?
How many days does it snow in December in Mount Holly?
What is the month with the shortest days in Mount Holly?
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 many hours of sunshine does Mount Holly have in December?
When is the lowest UV index in Mount Holly?
What is the UV index intensity in December in Mount Holly?
Average temperature in December
Mount Holly, VA
- Average high temperature in December: 47.1°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (41.7°F).
- Average low temperature in December: 36.9°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in December
Mount Holly, VA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Mount Holly, VA
- Average wind speed in December: 8.2mph
The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity in December
Mount Holly, VA
- Average humidity in December: 76%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is January (73%).
Average rainfall in December
Mount Holly, VA
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is August (2.52").
The driest months (with the least rainfall) are January and November (0.94").
Average rainfall days in December
Mount Holly, VA
- Average rainfall days in December: 8.2 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in December
Mount Holly, VA
- Average snowfall in December: 0.71"
The month with the highest snowfall is January (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Mount Holly, VA
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is January (2.8 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, VA
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in December
Mount Holly, VA
- Average sunshine days in December: 20 days
The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is August (11.8 days).
Average UV index in December
Mount Holly, VA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Mount Holly, VA
- Average cloud cover in December: 43
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Mount Holly, VA
- 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).
Mount Holly, Virginia, USA
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