December weather forecastRockwell, NC
December
Weather in December
The first month of the winter, December, is still a cool month in Rockwell, North Carolina, with an average temperature ranging between max 51.4°F (10.8°C) and min 36.7°F (2.6°C).Temperature
Rockwell observes a small decrease in the average high-temperature with the arrival of December, falling from November's mild 58.1°F (14.5°C) to a fresh 51.4°F (10.8°C). Rockwell throughout December, records an average low-temperature of 36.7°F (2.6°C).Humidity
May and December, with an average relative humidity of 76%, are the most humid months.Rainfall
In Rockwell, North Carolina, in December, during 10.5 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. In Rockwell, during the entire year, the rain falls for 152.1 days and collects up to 30.04" (763mm) of precipitation.Snowfall
January through March and December are months with snowfall. December is the month with the most snowfall in Rockwell. Snow falls for 0.7 days and accumulates 1.93" (49mm) 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 7:13 am and sunset at 5:08 pm. On the last day of December, sunrise is at 7:30 am and sunset at 5:19 pm EST.
Sunshine
January and December, with an average of 5.5h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Always opt for UVA and UVB-resistant sunglasses on radiant days. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rockwell, NC
- Average high temperature in December: 51.4°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in December: 36.7°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in December
Rockwell, 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
Rockwell, 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
Rockwell, 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
Rockwell, NC
- Average rainfall in December: 2.87"
The wettest month (with the highest rainfall) is April (3.19").
The driest month (with the least rainfall) is October (1.89").
Average rainfall days in December
Rockwell, NC
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in December
Rockwell, NC
- Average snowfall in December: 1.93"
The month with the highest snowfall is December (1.93").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Rockwell, NC
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (2.2 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
Rockwell, 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 30min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in December
Rockwell, NC
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in December
Rockwell, 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, February and December (UV index 2).
Average cloud cover in December
Rockwell, 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
Rockwell, 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).





