December weather forecast
Gastonia, NC

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Weather in December

December marks the arrival of winter in Gastonia with temperatures dropping to an average low of 38.1°F (3.4°C). The city winds down the year with shorter days, less sunlight, and a frequent shroud of cloud coverage. At this time, Gastonia experiences an increase in snowfall with an average of 2.09" (53mm). Despite cooler weather, December's festive spirit keeps the city lively as residents and visitors enjoy the holiday season.

Temperature

A mild drop in Gastonia's average high-temperature is observed in December, transitioning from a moderate 59.4°F (15.2°C) in November to a cool 52.7°F (11.5°C). Nighttime temperature in Gastonia, North Carolina, dips to a mean of 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 Gastonia, in December, during 11.8 rainfall days, 3.43" (87mm) of precipitation is typically accumulated. In Gastonia, during the entire year, the rain falls for 164 days and collects up to 32.91" (836mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall in Gastonia. 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

With an average of 9h and 48min of daylight, December has the shortest days of the year in Gastonia, North Carolina.
On the first day of the month, sunrise is at 7:15 am and sunset at 5:12 pm. On the last day of December, sunrise is at 7:33 am and sunset at 5:22 pm EST.

Sunshine

The month with the least sunshine in Gastonia is December, with an average of 5.4h 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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: A typical high UV index of 2 in December suggests the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the usual temperature for Gastonia in December?

In Gastonia, 52.7°F (11.5°C) is the average high-temperature and 38.1°F (3.4°C) is the average low-temperature during December. The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in September is estimated at 89.6°F (32°C).

What are the most humid months in Gastonia?

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

What is the average humidity in December in Gastonia?

In Gastonia, North Carolina, the average relative humidity in December is 75%.

How many days does it rain in December in Gastonia?

In Gastonia, North Carolina, in December, during 11.8 rainfall days, 3.43" (87mm) of precipitation is typically accumulated.

What is the snowiest month in Gastonia?

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

How much does it snow in Gastonia in December?

In Gastonia, North Carolina, in December, snow falls for 0.6 days, with typically accumulated 2.09" (53mm) of snow.

What is the month with the shortest days in Gastonia?

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

How many hours of daylight does Gastonia have in December?

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

When are sunrise and sunset in December in Gastonia?

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 5:22 pm EST.

What is the month with the least sunshine in Gastonia?

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

How long on average sun shines in December in Gastonia?

The average sunshine duration in December in Gastonia, North Carolina, is 5.4h.

What is the month with the lowest UV index in Gastonia?

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

What is the UV index intensity in December in Gastonia?

In Gastonia, North Carolina, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's 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
Gastonia, NC

Average temperature in December - 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).

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Average pressure in December
Gastonia, NC

Average pressure in December - 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).

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Average wind speed in December
Gastonia, NC

Average wind speed in December - 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).

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Average humidity in December
Gastonia, NC

Average humidity in December - 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%).

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Average rainfall in December
Gastonia, NC

Average rainfall in December - 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").

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Average rainfall days in December
Gastonia, NC

Average rainfall days in December - 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).

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Average snowfall in December
Gastonia, NC

Average snowfall in December - 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").

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Average snowfall days in December
Gastonia, NC

Average snowfall days in December - 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).

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Average daylight in December /
Average sunshine in December
Gastonia, NC

Average daylight in December / Average sunshine in December - 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).

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Average sunshine days in December
Gastonia, NC

Average sunshine days in December - 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).

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Average UV index in December
Gastonia, NC

Average UV index in December - 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).

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Average cloud cover in December
Gastonia, NC

Average cloud cover in December - 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).

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Average visibility in December
Gastonia, NC

Average visibility in December - 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).

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Gastonia, North Carolina, USA

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