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
Chapel Hill's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's refreshing 58.6°F (14.8°C) to a fresh 51.8°F (11°C). In Chapel Hill, an average low-temperature of 37.2°F (2.9°C) is recorded during December nights.Humidity
The most humid month in Chapel Hill is December, with an average relative humidity of 77%.Rainfall
In Chapel Hill, in December, it is raining for 7.5 days, with typically 0.94" (24mm) of accumulated precipitation. Throughout the year, there are 130 rainfall days, and 14.21" (361mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Chapel Hill, North Carolina, in December, during 0.5 snowfall days, 0.43" (11mm) of snow is typically accumulated. In Chapel Hill, during the entire year, snow falls for 4 days and aggregates up to 1.5" (38mm) 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 7:08 am and sunset at 5:02 pm. On the last day of December, sunrise is at 7:26 am and sunset at 5:12 pm EST.
Sunshine
With an average of 5.4h 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 in Chapel Hill, North Carolina. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Chapel Hill in December?
What is the most humid month in Chapel Hill?
What is the average humidity in December in Chapel Hill?
How many days does it rain in December in Chapel Hill?
How many days does it snow in December in Chapel Hill?
What is the month with the shortest days in Chapel Hill?
What is the average length of the day in December in Chapel Hill?
When is the sunrise / sunset in December in Chapel Hill?
What is the month with the least sunshine in Chapel Hill?
How many hours of sunshine does Chapel Hill have in December?
What is the month with the lowest UV index in Chapel Hill?
What is the UV index reading in December in Chapel Hill?
Average temperature in December
Chapel Hill, NC
- Average high temperature in December: 51.8°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (47.7°F).
- Average low temperature in December: 37.2°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (32°F).
Average pressure in December
Chapel Hill, NC
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Chapel Hill, 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 (4.7mph).
Average humidity in December
Chapel Hill, NC
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall in December
Chapel Hill, NC
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is October (0.83").
Average rainfall days in December
Chapel Hill, NC
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is November (6.4 days).
Average snowfall in December
Chapel Hill, NC
- Average snowfall in December: 0.43"
The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Chapel Hill, NC
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.5 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
Chapel Hill, NC
- Average daylight in December: 9h and 5min
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 48min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Chapel Hill, NC
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is October (22.3 days).
The months with the least sunshine days are July and August (12.8 days).
Average UV index in December
Chapel Hill, NC
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Chapel Hill, NC
- Average cloud cover in December: 42
The months with the most cloud cover are February and March (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in December
Chapel Hill, 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).
Chapel Hill, North Carolina, USA
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