December weather forecast
South Gastonia, NC

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Weather in December

The first month of the winter, December, is also a fresh month in South Gastonia, North Carolina, with an average temperature fluctuating between 38.1°F (3.4°C) and 52.7°F (11.5°C).

Temperature

A subtle shift in South Gastonia's weather is observed as November turns into December, with the average high temperature reducing from a refreshing 59.4°F (15.2°C) to a cool 52.7°F (11.5°C). Nighttime temperatures consistently average a cold 38.1°F (3.4°C) during December.

Humidity

May and December, with an average relative humidity of 75%, are the most humid months.

Rainfall

In South Gastonia, in December, it is raining for 11.8 days, with typically 3.43" (87mm) of accumulated precipitation. Throughout the year, there are 164 rainfall days, and 32.91" (836mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. The month with the most snowfall is December, when snow falls for 0.6 days and typically aggregates up to 2.09" (53mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 48min of daylight.
On the first day of December in South Gastonia, sunrise is at 7:15 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:23 pm EST.

Sunshine

With an average of 5.4h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 2 during December leads to these instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature?

In South Gastonia, in December, the average high-temperature is 52.7°F (11.5°C), and the average low-temperature is 38.1°F (3.4°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 89.6°F (32°C).

What are the most humid months?

May and December, with an average relative humidity of 75%, are most humid months.

What is the average humidity in December?

The average relative humidity in December is 75%.

How much does it rain in December?

In South Gastonia, during December, the rain falls for 11.8 days and regularly aggregates up to 3.43" (87mm) of precipitation.

When does it snow the most?

December is the month with the most snowfall. Snow falls for 0.6 days and accumulates 2.09" (53mm) of snow.

How many days does it snow in December in South Gastonia?

In South Gastonia, in December, during 0.6 snowfall days, 2.09" (53mm) of snow is typically accumulated.

What is the month with the shortest days?

With an average of 9h and 48min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In December, the average day length in South Gastonia is 9h and 50min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:15 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:23 pm EST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 5.4h of sunshine.

How many hours of sunshine does South Gastonia have in December?

In December, the average sunshine duration is 5.4h.

What is the month with the lowest UV index?

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

What is the UV index reading in December?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
South Gastonia, NC

Average temperature in December - South Gastonia, NC
  • Average high temperature in December: 52.7°F

The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (48.7°F).

  • Average low temperature in December: 38.1°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 (33.1°F).

Average pressure in December
South Gastonia, NC

Average pressure in December - South Gastonia, 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 (29.98"Hg).

Average wind speed in December
South Gastonia, NC

Average wind speed in December - South Gastonia, NC
  • Average wind speed in December: 6.2mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in December
South Gastonia, NC

Average humidity in December - South Gastonia, NC
  • Average humidity in December: 75%

The months with the highest relative humidity are May and December (75%).
The month with the lowest relative humidity is July (70%).

Average rainfall in December
South Gastonia, NC

Average rainfall in December - South Gastonia, NC
  • Average rainfall in December: 3.43"

The wettest month (with the highest rainfall) is August (3.46").
The driest month (with the least rainfall) is October (2.13").

Average rainfall days in December
South Gastonia, NC

Average rainfall days in December - South Gastonia, NC
  • Average rainfall days in December: 11.8 days

The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in December
South Gastonia, NC

Average snowfall in December - South Gastonia, NC
  • Average snowfall in December: 2.09"

The month with the highest snowfall is December (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
South Gastonia, NC

Average snowfall days in December - South Gastonia, NC
  • Average snowfall days in December: 0.6 days

The month with the highest number of snowfall days is February (2.1 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 Gastonia, NC

Average daylight in December / Average sunshine in December - South Gastonia, NC
  • 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: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in December
South Gastonia, NC

Average sunshine days in December - South Gastonia, NC
  • Average sunshine days in December: 18.3 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (10.3 days).

Average UV index in December
South Gastonia, NC

Average UV index in December - South Gastonia, 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
South Gastonia, NC

Average cloud cover in December - South Gastonia, NC
  • Average cloud cover in December: 42

The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 29).

Average visibility in December
South Gastonia, NC

Average visibility in December - South Gastonia, 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 Gastonia, North Carolina, USA

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