December weather forecast
Blairton, WV

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Weather in December

The first month of the winter, December, is still a chilly month in Blairton, West Virginia, with an average temperature fluctuating between 29.8°F (-1.2°C) and 42.8°F (6°C).

Temperature

Blairton in December undergoes a mild reduction in the average high-temperature, shifting from November's cool 52°F (11.1°C) to a chilly 42.8°F (6°C). Throughout December, Blairton experiences a low-temperature average of 29.8°F (-1.2°C).

Humidity

May, October and December, with an average relative humidity of 78%, are the most humid months.

Rainfall

In Blairton, in December, during 6.9 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. In Blairton, during the entire year, the rain falls for 117.3 days and collects up to 12.24" (311mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In December, it is snowing for 3.3 days. Throughout December, 0.83" (21mm) of snow is accumulated. In Blairton, during the entire year, snow falls for 17.1 days and aggregates up to 4.69" (119mm) 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 7:13 am and sunset at 4:48 pm. On the last day of December, sunrise is at 7:31 am and sunset at 4:58 pm EST.

Sunshine

In Blairton, the average sunshine in December is 5h.

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 estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.

Frequently asked questions

Is it cold during December?

In December, in Blairton, the average high-temperature is 42.8°F (6°C), and the average low-temperature is 29.8°F (-1.2°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 93.2°F (34°C).

What are the most humid months?

The months with the highest humidity are May, October and December, with an average relative humidity of 78%.

What is the average humidity in December?

The average relative humidity in December is 78%.

How many days does it rain in December?

In Blairton, in December, during 6.9 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

How many days does it snow in December?

In December, it is snowing for 3.3 days. Throughout December, 0.83" (21mm) of snow is accumulated.

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?

The average day length in December is 9h and 26min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:13 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:58 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 5h.

When is 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 Blairton, West Virginia, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes 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
Blairton, WV

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

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in December: 29.8°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

Average pressure in December
Blairton, WV

Average pressure in December - Blairton, WV
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in December
Blairton, WV

Average wind speed in December - Blairton, WV
  • Average wind speed in December: 6.4mph

The windiest month (with the highest average wind speed) is March (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in December
Blairton, WV

Average humidity in December - Blairton, WV
  • Average humidity in December: 78%

The months with the highest relative humidity are May, October and December (78%).
The month with the lowest relative humidity is July (73%).

Average rainfall in December
Blairton, WV

Average rainfall in December - Blairton, WV
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is July (1.5").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days in December
Blairton, WV

Average rainfall days in December - Blairton, WV
  • Average rainfall days in December: 6.9 days

The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is January (4.5 days).

Average snowfall in December
Blairton, WV

Average snowfall in December - Blairton, WV
  • Average snowfall in December: 0.83"

The month with the highest snowfall is January (1.26").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Blairton, WV

Average snowfall days in December - Blairton, WV
  • Average snowfall days in December: 3.3 days

The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Blairton, 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: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in December
Blairton, WV

Average sunshine days in December - Blairton, WV
  • Average sunshine days in December: 21.1 days

The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is May (14.6 days).

Average UV index in December
Blairton, WV

Average UV index in December - Blairton, WV
  • 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, February, November and December (UV index 2).

Average cloud cover in December
Blairton, WV

Average cloud cover in December - Blairton, WV
  • Average cloud cover in December: 48

The months with the most cloud cover are January, March and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in December
Blairton, WV

Average visibility in December - Blairton, WV
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are May, September and October (5mi).

Blairton, West Virginia, USA

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