December weather forecast
Gaston, WV

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Weather in December

The first month of the winter, December, is also a frosty month in Gaston, West Virginia, with an average temperature fluctuating between 30.9°F (-0.6°C) and 42.8°F (6°C).

Temperature

During the shift to December, Gaston records a mild decrease in average high-temperature, moving from a cool 51.6°F (10.9°C) in November to a chilly 42.8°F (6°C). Gaston in December anticipates an average nighttime temperature of 30.9°F (-0.6°C).

Humidity

In Gaston, the average relative humidity in December is 81%.

Rainfall

In Gaston, in December, during 13 rainfall days, 3.5" (89mm) of precipitation is typically accumulated. In Gaston, West Virginia, during the entire year, the rain falls for 182.8 days and collects up to 38.62" (981mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Gaston, in December, during 12.1 snowfall days, 5.67" (144mm) of snow is typically accumulated. In Gaston, during the entire year, snow falls for 58.9 days and aggregates up to 32.17" (817mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:22 am and sunset at 4:57 pm. On the last day of December, sunrise is at 7:40 am and sunset at 5:07 pm EST.

Sunshine

In December, the average sunshine is 3.7h.

UV index

January, February, November 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 low health risk from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 2 during December translates into these guidelines:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. It's recommended to limit sun exposure when its radiation is at its peak during midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

An average high-temperature, in December, in Gaston, is 42.8°F (6°C) and the average low-temperature is 30.9°F (-0.6°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is estimated at 89.6°F (32°C).

What is the average humidity in December?

In Gaston, the average relative humidity in December is 81%.

How many days does it rain in December?

In Gaston, in December, during 13 rainfall days, 3.5" (89mm) of precipitation is typically accumulated.

How much does it snow in December?

In Gaston, during December, snow falls for 12.1 days and regularly aggregates up to 5.67" (144mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

What is the average length of the day in December?

In Gaston, the average day length in December is 9h and 26min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:22 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:07 pm EST.

How long on average sun shines in December?

In Gaston, the average sunshine duration in December is 3.7h.

What is the month with the lowest UV index?

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

How high is the UV index in December in Gaston?

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health threat 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
Gaston, WV

Average temperature in December - Gaston, WV
  • Average high temperature in December: 42.8°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in December: 30.9°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

Average pressure in December
Gaston, WV

Average pressure in December - Gaston, WV
  • 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
Gaston, WV

Average wind speed in December - Gaston, WV
  • Average wind speed in December: 6.2mph

The windiest months (with the highest average wind speed) are January and February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in December
Gaston, WV

Average humidity in December - Gaston, WV
  • Average humidity in December: 81%

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is August (76%).

Average rainfall in December
Gaston, WV

Average rainfall in December - Gaston, WV
  • Average rainfall in December: 3.5"

The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in December
Gaston, WV

Average rainfall days in December - Gaston, WV
  • Average rainfall days in December: 13 days

The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is November (11.4 days).

Average snowfall in December
Gaston, WV

Average snowfall in December - Gaston, WV
  • Average snowfall in December: 5.67"

The month with the highest snowfall is January (8.15").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Gaston, WV

Average snowfall days in December - Gaston, WV
  • Average snowfall days in December: 12.1 days

The month with the highest number of snowfall days is January (16.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Gaston, WV

Average daylight in December / Average sunshine in December - Gaston, WV
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 3h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in December
Gaston, WV

Average sunshine days in December - Gaston, WV
  • Average sunshine days in December: 9 days

The month with the most sunshine days is October (14.1 days).
The months with the least sunshine days are January and February (7.6 days).

Average UV index in December
Gaston, WV

Average UV index in December - Gaston, WV
  • Average UV index in December: 2

The months with the highest UV index are May, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Gaston, WV

Average cloud cover in December - Gaston, WV
  • Average cloud cover in December: 63

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in December
Gaston, WV

Average visibility in December - Gaston, WV
  • Average visibility in December: 5mi

The month with the highest visibility is November (6mi).
The months with the lowest visibility are January and February (4mi).

Gaston, West Virginia, USA

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