December weather forecastGrassy Creek, NC
December
Weather in December
The first month of the winter, December, is still a chilly month in Grassy Creek, North Carolina, with an average temperature fluctuating between 43.7°F (6.5°C) and 30.4°F (-0.9°C).Temperature
In Grassy Creek, the average high-temperature in December slightly decreases from a fresh 51.4°F (10.8°C) in November to a chilly 43.7°F (6.5°C). The month of December records an average low-temperature of 30.4°F (-0.9°C) in Grassy Creek.Humidity
The average relative humidity in December in Grassy Creek, North Carolina, is 79%.Rainfall
In Grassy Creek, in December, during 7.3 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, there are 118.5 rainfall days, and 21.5" (546mm) of precipitation is accumulated.Snowfall
Months with snowfall in Grassy Creek are January through May, October through December. The month with the most snowfall in Grassy Creek is December, when snow falls for 3.5 days and typically aggregates up to 4.76" (121mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 7:19 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:20 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.2h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Grassy Creek, North Carolina. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grassy Creek, NC
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in December: 30.4°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in December
Grassy Creek, 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 (29.99"Hg).
Average wind speed in December
Grassy Creek, NC
- Average wind speed in December: 7.2mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Grassy Creek, NC
- Average humidity in December: 79%
The months with the highest relative humidity are May and September (80%).
The month with the lowest relative humidity is November (76%).
Average rainfall in December
Grassy Creek, NC
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is February (2.28").
The driest month (with the least rainfall) is September (1.26").
Average rainfall days in December
Grassy Creek, NC
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is November (6.1 days).
Average snowfall in December
Grassy Creek, NC
- Average snowfall in December: 4.76"
The month with the highest snowfall is December (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Grassy Creek, NC
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grassy Creek, 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 12min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 5h and 12min).
Average sunshine days in December
Grassy Creek, NC
- Average sunshine days in December: 21.2 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is July (14.2 days).
Average UV index in December
Grassy Creek, NC
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Grassy Creek, NC
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and July (Cloud cover 36).
Average visibility in December
Grassy Creek, NC
- Average visibility in December: 5mi
The month with the highest visibility is November (6mi).
The month with the lowest visibility is September (4mi).





