December weather forecast
Dellslow, WV

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Weather in December

The first month of the winter, December, is also an icy month in Dellslow, West Virginia, with an average temperature varying between 40.6°F (4.8°C) and 29.3°F (-1.5°C).

Temperature

Transition into December marks a drop in the average high-temperature, moving from a cool 50°F (10°C) in November to a cold 40.6°F (4.8°C). In December, the average low-temperature records at a subzero cold 29.3°F (-1.5°C) during the nights.

Humidity

In December, the average relative humidity is 83%.

Rainfall

In Dellslow, in December, during 13 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. Throughout the year, there are 187.8 rainfall days, and 36.46" (926mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Dellslow, in December, snow falls for 13.1 days, with typically accumulated 6.14" (156mm) of snow. In Dellslow, during the entire year, snow falls for 63.1 days and aggregates up to 32.32" (821mm) of snow.

Daylight

The month with the shortest days in Dellslow is December, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:21 am and sunset at 4:55 pm. On the last day of December, in Dellslow, sunrise is at 7:40 am and sunset at 5:05 pm EST.

Sunshine

In December, the average sunshine is 3.8h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index in Dellslow. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: A daily high UV index of 1 in December leads to these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Dellslow in December?

In Dellslow, 40.6°F (4.8°C) is the average high-temperature and 29.3°F (-1.5°C) is the average low-temperature during December. In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is evaluated at 87.8°F (31°C).

What is the average humidity in December in Dellslow?

In December, the average relative humidity in Dellslow, West Virginia, is 83%.

How much does it rain in Dellslow in December?

In December, the rain falls for 13 days. Throughout December, 3.19" (81mm) of precipitation is accumulated.

How many days does it snow in December in Dellslow?

In Dellslow, West Virginia, in December, during 13.1 snowfall days, 6.14" (156mm) of snow is typically accumulated.

What is the month with the shortest days in Dellslow?

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

What is the average length of the day in December in Dellslow?

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

When are sunrise and sunset in December in Dellslow?

In December, on the first day of the month, sunrise is at 7:21 am and sunset at 4:55 pm. On the last day of the month, in Dellslow, West Virginia, sunrise is at 7:40 am and sunset at 5:05 pm EST.

How many hours of sunshine does Dellslow have in December?

In Dellslow, the average sunshine duration in December is 3.8h.

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

December is the month with the lowest UV index, with an average maximum UV index of 1.

How high is the UV index in December in Dellslow?

The average daily maximum UV index in December in Dellslow is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.
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
Dellslow, WV

Average temperature in December - Dellslow, WV
  • Average high temperature in December: 40.6°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (34.5°F).

  • Average low temperature in December: 29.3°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in December
Dellslow, WV

Average pressure in December - Dellslow, 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 (29.95"Hg).

Average wind speed in December
Dellslow, WV

Average wind speed in December - Dellslow, WV
  • Average wind speed in December: 6.8mph

The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in December
Dellslow, WV

Average humidity in December - Dellslow, WV
  • Average humidity in December: 83%

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

Average rainfall in December
Dellslow, WV

Average rainfall in December - Dellslow, WV
  • Average rainfall in December: 3.19"

The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (2.17").

Average rainfall days in December
Dellslow, WV

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

The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is January (11.1 days).

Average snowfall in December
Dellslow, WV

Average snowfall in December - Dellslow, WV
  • Average snowfall in December: 6.14"

The month with the highest snowfall is February (7.76").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Dellslow, WV

Average snowfall days in December - Dellslow, WV
  • Average snowfall days in December: 13.1 days

The month with the highest number of snowfall days is January (17 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Dellslow, 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 5min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in December
Dellslow, WV

Average sunshine days in December - Dellslow, WV
  • Average sunshine days in December: 10 days

The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is January (6.7 days).

Average UV index in December
Dellslow, WV

Average UV index in December - Dellslow, WV
  • Average UV index in December: 1

The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Dellslow, WV

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

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in December
Dellslow, WV

Average visibility in December - Dellslow, 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).

Dellslow, West Virginia, USA

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