December weather forecastSouth Henderson, NC

December

Weather in December

The first month of the winter, December, is also a fresh month in South Henderson, North Carolina, with temperature in the range of an average high of 51.1°F (10.6°C) and an average low of 36.5°F (2.5°C).

Temperature

A modest decline in the average high-temperature is seen during December, decreasing from a moderate 58.1°F (14.5°C) in November to a fresh 51.1°F (10.6°C). The low-temperature averages to a cold 36.5°F (2.5°C) during the nights of December.

Humidity

December is the most humid month, with an average relative humidity of 78%.

Rainfall

In South Henderson, during December, the rain falls for 10.8 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, there are 157.1 rainfall days, and 29.41" (747mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In South Henderson, in December, snow falls for 1.1 days, with typically accumulated 0.98" (25mm) of snow. In South Henderson, during the entire year, snow falls for 7.3 days and aggregates up to 6.38" (162mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 42min of daylight.
On the first day of the month, sunrise is at 7:07 am and sunset at 4:58 pm. On the last day of December, sunrise is at 7:24 am and sunset at 5:09 pm EST.

Sunshine

The month with the least sunshine is December, with an average of 5.5h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature during December is 51.1°F (10.6°C) and the low-temperature is 36.5°F (2.5°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is estimated at 87.8°F (31°C).

The most humid month is December, with an average relative humidity of 78%.

In South Henderson, the average relative humidity in December is 78%.

In South Henderson, during December, the rain falls for 10.8 days and regularly aggregates up to 2.44" (62mm) of precipitation.

In South Henderson, in December, during 1.1 snowfall days, 0.98" (25mm) of snow is typically accumulated.

The month with the shortest days is December, with an average of 9h and 42min of daylight.

In South Henderson, the average day length in December is 9h and 44min.

In December, on the first day of the month, sunrise is at 7:07 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:09 pm EST.

With an average of 5.5h of sunshine, December has the least sunshine of the year.

In December, the average sunshine duration is 5.5h.

January and December, with an average maximum UV index of 2, are months with the lowest UV index.

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
South Henderson, NC

  • Average high temperature in December: 51.1°F

The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (46.8°F).

  • Average low temperature in December: 36.5°F

The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).

Average pressure in December
South Henderson, NC

  • Average pressure in December: 30.13"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
South Henderson, NC

  • Average wind speed in December: 6.3mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in December
South Henderson, NC

  • Average humidity in December: 78%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (72%).

Average rainfall in December
South Henderson, NC

  • Average rainfall in December: 2.44"

The wettest month (with the highest rainfall) is August (2.87").
The driest month (with the least rainfall) is September (2.09").

Average rainfall days in December
South Henderson, NC

  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is November (9.2 days).

Average snowfall in December
South Henderson, NC

  • Average snowfall in December: 0.98"

The month with the highest snowfall is January (1.85").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
South Henderson, NC

  • Average snowfall days in December: 1.1 days

The month with the highest number of snowfall days is February (2.9 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
South Henderson, 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 30min

The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in December
South Henderson, NC

  • Average sunshine days in December: 19 days

The month with the most sunshine days is November (20.1 days).
The months with the least sunshine days are May and July (12.1 days).

Average UV index in December
South Henderson, NC

  • Average UV index in December: 2

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in December
South Henderson, NC

  • Average cloud cover in December: 41

The months with the most cloud cover are February and March (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 31).

Average visibility in December
South Henderson, 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).