December weather forecastSouth Rosemary, NC
December
Weather in December
The first month of the winter, December, is also a fresh month in South Rosemary, North Carolina, with temperature in the range of an average low of 37.2°F (2.9°C) and an average high of 51.4°F (10.8°C).Temperature
December implies a soft temperature shift, with average high-temperatures reducing from November's mild 58.5°F (14.7°C) to a fresh 51.4°F (10.8°C). During December, South Rosemary records an average temperature of 37.2°F (2.9°C) at night.Humidity
The average relative humidity in December is 78%.Rainfall
In December, the rain falls for 11.3 days. Throughout December, 2.17" (55mm) of precipitation is accumulated. In South Rosemary, during the entire year, the rain falls for 156.2 days and collects up to 27.6" (701mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In South Rosemary, during December, snow falls for 0.9 days and regularly aggregates up to 0.51" (13mm) of snow. Throughout the year, there are 6.4 snowfall days, and 3.23" (82mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 7:04 am and sunset at 4:55 pm. On the last day of December, sunrise is at 7:22 am and sunset at 5:05 pm EST.
Sunshine
January and December, with an average of 5.5h of sunshine, are months with the least sunshine.UV index
In December, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: A maximum high UV index of 3 in December translates into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
South Rosemary, NC
- Average high temperature in December: 51.4°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (46.8°F).
- Average low temperature in December: 37.2°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).
Average pressure in December
South Rosemary, NC
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
South Rosemary, NC
- Average wind speed in December: 7.2mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
South Rosemary, NC
- Average humidity in December: 78%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January, April, July and November (74%).
Average rainfall in December
South Rosemary, NC
- Average rainfall in December: 2.17"
The wettest month (with the highest rainfall) is August (3.07").
The driest month (with the least rainfall) is October (1.85").
Average rainfall days in December
South Rosemary, NC
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in December
South Rosemary, NC
- Average snowfall in December: 0.51"
The month with the highest snowfall is February (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
South Rosemary, NC
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (2.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
South Rosemary, NC
- Average daylight in December: 9h and 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 30min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in December
South Rosemary, NC
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in December
South Rosemary, NC
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
South Rosemary, NC
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in December
South Rosemary, 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).





