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
With the commencement of December, Mount Holly records a moderate temperature decline, with the average high easing from November's moderate 59°F (15°C) to a fresh 52.3°F (11.3°C). December in Mount Holly is noted for a mean low-temperature of 37.9°F (3.3°C).Humidity
May and December, with an average relative humidity of 75%, are the most humid months.Rainfall
In December, in Mount Holly, the rain falls for 10.9 days. Throughout December, 3.03" (77mm) of precipitation is accumulated. Throughout the year, there are 155.8 rainfall days, and 30.98" (787mm) of precipitation is accumulated.Snowfall
Months with snowfall in Mount Holly are January through March and December. The month with the most snowfall in Mount Holly is December, when snow falls for 0.5 days and typically aggregates up to 1.97" (50mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:14 am and sunset at 5:11 pm. On the last day of December, sunrise is at 7:32 am and sunset at 5:22 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.3h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 2 in December translates into this advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
What is the usual temperature for Mount Holly in December?
What are the most humid months in Mount Holly?
What is the average humidity in December in Mount Holly?
How many days does it rain in December in Mount Holly?
When does it snow the most in Mount Holly?
When does it start to snow in Mount Holly?
What is the month with the shortest days in Mount Holly?
How many hours of daylight does Mount Holly have in December?
What time are sunrise and sunset in December in Mount Holly?
What is the month with the least sunshine in Mount Holly?
How many hours of sunshine does Mount Holly have in December?
When is the lowest UV index in Mount Holly?
How high is the UV index in December in Mount Holly?
Average temperature in December
Mount Holly, NC
- Average high temperature in December: 52.3°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in December: 37.9°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).
Average pressure in December
Mount Holly, NC
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Mount Holly, NC
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Mount Holly, NC
- Average humidity in December: 75%
The months with the highest relative humidity are May and December (75%).
The months with the lowest relative humidity are June and July (70%).
Average rainfall in December
Mount Holly, NC
- Average rainfall in December: 3.03"
The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is October (1.97").
Average rainfall days in December
Mount Holly, NC
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in December
Mount Holly, NC
- Average snowfall in December: 1.97"
The month with the highest snowfall is December (1.97").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Mount Holly, NC
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Mount Holly, NC
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Mount Holly, NC
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (11 days).
Average UV index in December
Mount Holly, NC
- 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, NC
- Average cloud cover in December: 42
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Mount Holly, NC
- 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, North Carolina, USA
Weather forecast for your location
2. Allow the app to use your location
