December weather forecastMount Ulla, NC
December
Weather in December
December, the first month of the winter in Mount Ulla, is also a fresh month, with an average temperature ranging between min 36.5°F (2.5°C) and max 51.3°F (10.7°C).Temperature
A moderate decline in average high-temperatures is noted in December, moving from a moderate 58.3°F (14.6°C) in November to a cool 51.3°F (10.7°C). Mount Ulla's average low-temperature in the month of December is recorded at a wintry 36.5°F (2.5°C).Humidity
The months with the highest humidity are May and December, with an average relative humidity of 76%.Rainfall
In Mount Ulla, in December, during 11.2 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. In Mount Ulla, during the entire year, the rain falls for 161.6 days and collects up to 32.91" (836mm) of precipitation.Snowfall
Months with snowfall in Mount Ulla are January through March, November and December. December is the month with the most snowfall. Snow falls for 0.8 days and accumulates 2.13" (54mm) of snow.Daylight
The month with the shortest days in Mount Ulla is December, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 7:14 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:20 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.3h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mount Ulla, 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 Ulla, 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 Ulla, 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 Ulla, 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 Ulla, 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 Ulla, 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 Ulla, 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 Ulla, 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 Ulla, NC
- Average daylight in December: 9h and 48min
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 18min
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 Ulla, 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 Ulla, 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 Ulla, 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 Ulla, 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).





