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 arrival of December, Mount Mourne experiences a modest decline in average high-temperatures, transitioning from a moderate 58.3°F (14.6°C) in November to a cool 51.3°F (10.7°C). Nighttime temperature in Mount Mourne lowers to an average of 36.5°F (2.5°C) in December.Humidity
May and December, with an average relative humidity of 76%, are the most humid months.Rainfall
In Mount Mourne, during December, the rain falls for 11.2 days and regularly aggregates up to 3.23" (82mm) of precipitation. In Mount Mourne, during the entire year, the rain falls for 161.6 days and collects up to 32.91" (836mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. The month with the most snowfall is December, when snow falls for 0.8 days and typically aggregates up to 2.13" (54mm) of snow.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:14 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:20 pm EST.
Sunshine
With an average of 5.3h of sunshine, December has the least sunshine of the year.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What are the most humid months?
What is the average humidity in December?
How much does it rain in Mount Mourne in December?
What is the snowiest month?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December in Mount Mourne?
What is the month with the least sunshine in Mount Mourne?
How long on average sun shines in December in Mount Mourne?
What is the month with the lowest UV index in Mount Mourne?
How high is the UV index in December?
Average temperature in December
Mount Mourne, NC
- Average high temperature in December: 51.3°F
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in December: 36.5°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in December
Mount Mourne, NC
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Mount Mourne, NC
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Mount Mourne, NC
- Average humidity in December: 76%
The months with the highest relative humidity are May and December (76%).
The month with the lowest relative humidity is July (70%).
Average rainfall in December
Mount Mourne, NC
- Average rainfall in December: 3.23"
The wettest month (with the highest rainfall) is April (3.46").
The driest month (with the least rainfall) is October (2.13").
Average rainfall days in December
Mount Mourne, NC
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is August (18 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in December
Mount Mourne, NC
- Average snowfall in December: 2.13"
The month with the highest snowfall is December (2.13").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Mount Mourne, NC
- Average snowfall days in December: 0.8 days
The month with the highest number of snowfall days is February (2.6 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 Mourne, 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 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Mount Mourne, NC
- Average sunshine days in December: 17.2 days
The months with the most sunshine days are October and November (19.2 days).
The month with the least sunshine days is August (10.9 days).
Average UV index in December
Mount Mourne, 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 Mourne, NC
- Average cloud cover in December: 43
The months with the most cloud cover are February and December (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 30).
Average visibility in December
Mount Mourne, 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 Mourne, North Carolina, USA
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