December weather forecastHillsborough, NC
December
Weather in December
The first month of the winter, December, is still a cool month in Hillsborough, North Carolina, with an average temperature fluctuating between 36.5°F (2.5°C) and 51.6°F (10.9°C).Temperature
December ushers in a minute temperature change, with average high-temperatures reducing from November's refreshing 58.5°F (14.7°C) to a fresh 51.6°F (10.9°C). Hillsborough experiences an average nighttime temperature of 36.5°F (2.5°C) in the month of December.Humidity
The most humid month is December, with an average relative humidity of 77%.Rainfall
In Hillsborough, during December, the rain falls for 9.7 days and regularly aggregates up to 2.6" (66mm) of precipitation. In Hillsborough, during the entire year, the rain falls for 157.7 days and collects up to 32.32" (821mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In December, it is snowing for 0.8 days. Throughout December, 1.93" (49mm) of snow is accumulated. Throughout the year, in Hillsborough, there are 6.5 snowfall days, and 6.77" (172mm) of snow is accumulated.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year in Hillsborough.On the first day of December, sunrise is at 7:09 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:12 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.5h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. To guard against the harmful effects of the Sun, minimize exposure during midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. 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
Average temperature in December
Hillsborough, NC
- Average high temperature in December: 51.6°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: 36.5°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 (31.3°F).
Average pressure in December
Hillsborough, 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
Hillsborough, NC
- Average wind speed in December: 6.2mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Hillsborough, 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
Hillsborough, NC
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is October (2.01").
Average rainfall days in December
Hillsborough, NC
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in December
Hillsborough, NC
- Average snowfall in December: 1.93"
The month with the highest snowfall is January (2.32").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Hillsborough, NC
- Average snowfall days in December: 0.8 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 and October (0 days).
Average daylight in December /
Average sunshine in December
Hillsborough, NC
- Average daylight in December: 9h and 48min
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 30min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Hillsborough, NC
- Average sunshine days in December: 20 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in December
Hillsborough, 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 and December (UV index 2).
Average cloud cover in December
Hillsborough, 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
Hillsborough, 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).
