December weather forecast
Donlan Heights, WV

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Weather in December

December, the first month of the winter in Donlan Heights, is still a chilly month, with an average temperature ranging between max 42.8°F (6°C) and min 30.9°F (-0.6°C).

Temperature

With the onset of December, Donlan Heights's climate undergoes a slight change as the average high-temperature moves from a fresh 51.6°F (10.9°C) in November to a frosty 42.8°F (6°C). In Donlan Heights, December nights witness a steady temperature drop to a freezing cold 30.9°F (-0.6°C).

Humidity

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

Rainfall

In December, the rain falls for 13 days. Throughout December, 3.5" (89mm) of precipitation is accumulated. Throughout the year, in Donlan Heights, there are 182.8 rainfall days, and 38.62" (981mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Donlan Heights are January through May, October through December. In Donlan Heights, in December, snow falls for 12.1 days, with typically accumulated 5.67" (144mm) of snow. In Donlan Heights, 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 30min of daylight.
On the first day of December, sunrise is at 7:22 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:09 pm EST.

Sunshine

The average sunshine in December 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 minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Updated: Jul 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

In December, in Donlan Heights, the average high-temperature is 42.8°F (6°C), and the average low-temperature is 30.9°F (-0.6°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is estimated at 89.6°F (32°C).

What is the average humidity in December?

The average relative humidity in December is 81%.

How many days does it rain in December?

In Donlan Heights, during December, the rain falls for 13 days and regularly aggregates up to 3.5" (89mm) of precipitation.

How much does it snow in Donlan Heights in December?

In Donlan Heights, in December, during 12.1 snowfall days, 5.67" (144mm) of snow is typically accumulated.

What is the month with the shortest days?

With an average of 9h and 30min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

The average day length in December is 9h and 29min.

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 4:59 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:09 pm EST.

How many hours of sunshine does Donlan Heights have in December?

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.

What is the UV index reading in December?

In Donlan Heights, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from 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
Donlan Heights, WV

Average temperature in December - Donlan Heights, 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
Donlan Heights, WV

Average pressure in December - Donlan Heights, 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
Donlan Heights, WV

Average wind speed in December - Donlan Heights, 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
Donlan Heights, WV

Average humidity in December - Donlan Heights, 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
Donlan Heights, WV

Average rainfall in December - Donlan Heights, 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
Donlan Heights, WV

Average rainfall days in December - Donlan Heights, 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
Donlan Heights, WV

Average snowfall in December - Donlan Heights, 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
Donlan Heights, WV

Average snowfall days in December - Donlan Heights, 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
Donlan Heights, WV

Average daylight in December / Average sunshine in December - Donlan Heights, WV
  • Average daylight in December: 9h and 3min

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 30min).

  • 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
Donlan Heights, WV

Average sunshine days in December - Donlan Heights, 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
Donlan Heights, WV

Average UV index in December - Donlan Heights, 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
Donlan Heights, WV

Average cloud cover in December - Donlan Heights, 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
Donlan Heights, WV

Average visibility in December - Donlan Heights, 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).

Donlan Heights, West Virginia, USA

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