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
During the shift to December, Chapel Hill records a mild decrease in average high-temperature, moving from a mild 57.4°F (14.1°C) in November to a cool 50°F (10°C). Chapel Hill experiences a consistent average temperature of 36.5°F (2.5°C) throughout the nights in December.Humidity
December is the most humid month, with an average relative humidity of 80%.Rainfall
In Chapel Hill, during December, the rain falls for 13 days and regularly aggregates up to 3.46" (88mm) of precipitation. Throughout the year, there are 173.6 rainfall days, and 39.65" (1007mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In December, in Chapel Hill, it is snowing for 1.2 days. Throughout December, 0.35" (9mm) of snow is accumulated. Throughout the year, in Chapel Hill, there are 7.2 snowfall days, and 2.28" (58mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 6:38 am and sunset at 4:33 pm. On the last day of December, sunrise is at 6:56 am and sunset at 4:43 pm CST.
Sunshine
In Chapel Hill, the average sunshine in December is 4.6h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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 much does it rain in Chapel Hill in December?
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?
What time are sunrise and sunset in December 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 intensity in December in Chapel Hill?
Average temperature in December
Chapel Hill, TN
- Average high temperature in December: 50°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (45.7°F).
- Average low temperature in December: 36.5°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in December
Chapel Hill, TN
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Chapel Hill, TN
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in December
Chapel Hill, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Chapel Hill, TN
- Average rainfall in December: 3.46"
The wettest month (with the highest rainfall) is February (4.37").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in December
Chapel Hill, TN
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in December
Chapel Hill, TN
- Average snowfall in December: 0.35"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Chapel Hill, TN
- Average snowfall days in December: 1.2 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 and September (0 days).
Average daylight in December /
Average sunshine in December
Chapel Hill, TN
- Average daylight in December: 9h and 5min
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: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Chapel Hill, TN
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in December
Chapel Hill, TN
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Chapel Hill, TN
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Chapel Hill, TN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Chapel Hill, Tennessee, USA
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