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
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December in South Henderson?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
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 4min
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 3min
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).
South Henderson, North Carolina, USA
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