December weather forecast
Knob Fork, WV

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Weather in December

The first month of the winter, December, is also an icy month in Knob Fork, West Virginia, with an average temperature varying between 41.5°F (5.3°C) and 29.3°F (-1.5°C).

Temperature

Knob Fork's average high-temperature decreases in December, falling from a cool 50.5°F (10.3°C) in November to a cold 41.5°F (5.3°C). An average low-temperature of 29.3°F (-1.5°C) is noted during the nights in December in Knob Fork.

Humidity

In December, the average relative humidity is 82%.

Rainfall

In Knob Fork, in December, during 13.1 rainfall days, 3.35" (85mm) of precipitation is typically accumulated. In Knob Fork, during the entire year, the rain falls for 188.6 days and collects up to 39.17" (995mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Knob Fork, in December, snow falls for 10.7 days, with typically accumulated 4.29" (109mm) of snow. In Knob Fork, during the entire year, snow falls for 52.1 days and aggregates up to 24.21" (615mm) 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 7:24 am and sunset at 4:58 pm. On the last day of December, sunrise is at 7:42 am and sunset at 5:08 pm EST.

Sunshine

In Knob Fork, the average sunshine in December is 3.5h.

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 unprotected exposure to Sun's UV rays for the average person.
Note: A maximum daily UV index of 2 during December morphs into the following directions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. It's recommended to limit sun exposure when its radiation is at its peak during midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.

Frequently asked questions

How cold does it get in Knob Fork in December?

During December, Knob Fork experiences an average high-temperature of 41.5°F (5.3°C) and a low-temperature of 29.3°F (-1.5°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 87.8°F (31°C).

What is the average humidity in December?

In December, the average relative humidity is 82%.

How much does it rain in December?

In Knob Fork, West Virginia, in December, during 13.1 rainfall days, 3.35" (85mm) of precipitation is typically accumulated.

How much does it snow in Knob Fork in December?

In Knob Fork, in December, during 10.7 snowfall days, 4.29" (109mm) of snow is typically accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

How many hours of daylight does Knob Fork have in December?

The average day length in December is 9h and 25min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:24 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:08 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 3.5h.

What is the month with the lowest UV index in Knob Fork?

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

How high is the UV index in December?

In Knob Fork, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Knob Fork, WV

Average temperature in December - Knob Fork, WV
  • Average high temperature in December: 41.5°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in December: 29.3°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in December
Knob Fork, WV

Average pressure in December - Knob Fork, WV
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in December
Knob Fork, WV

Average wind speed in December - Knob Fork, WV
  • Average wind speed in December: 6.3mph

The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in December
Knob Fork, WV

Average humidity in December - Knob Fork, WV
  • Average humidity in December: 82%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (77%).

Average rainfall in December
Knob Fork, WV

Average rainfall in December - Knob Fork, WV
  • Average rainfall in December: 3.35"

The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is November (2.24").

Average rainfall days in December
Knob Fork, WV

Average rainfall days in December - Knob Fork, WV
  • Average rainfall days in December: 13.1 days

The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is January (10.8 days).

Average snowfall in December
Knob Fork, WV

Average snowfall in December - Knob Fork, WV
  • Average snowfall in December: 4.29"

The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Knob Fork, WV

Average snowfall days in December - Knob Fork, WV
  • Average snowfall days in December: 10.7 days

The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Knob Fork, WV

Average daylight in December / Average sunshine in December - Knob Fork, 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 3min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in December
Knob Fork, WV

Average sunshine days in December - Knob Fork, WV
  • Average sunshine days in December: 10.8 days

The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is May (7.8 days).

Average UV index in December
Knob Fork, WV

Average UV index in December - Knob Fork, WV
  • Average UV index in December: 2

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

Average cloud cover in December
Knob Fork, WV

Average cloud cover in December - Knob Fork, WV
  • Average cloud cover in December: 64

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in December
Knob Fork, WV

Average visibility in December - Knob Fork, WV
  • Average visibility in December: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).

Knob Fork, West Virginia, USA

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