December weather forecastStephenson, VA

December

Weather in December

December, the first month of the winter in Stephenson, is still a chilly month, with temperature in the range of an average low of 29.7°F (-1.3°C) and an average high of 43.2°F (6.2°C).

Temperature

December heralds a minor drop in average high-temperature, sliding from November's cool 52.2°F (11.2°C) to a frosty 43.2°F (6.2°C). In December, Stephenson records an average nighttime temperature of 29.7°F (-1.3°C).

Humidity

The average relative humidity in December is 78%.

Rainfall

In Stephenson, during December, the rain falls for 11 days and regularly aggregates up to 2.4" (61mm) of precipitation. In Stephenson, during the entire year, the rain falls for 167.2 days and collects up to 29.61" (752mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Stephenson, Virginia, in December, during 4.5 snowfall days, 3.15" (80mm) of snow is typically accumulated. In Stephenson, during the entire year, snow falls for 26.2 days and aggregates up to 17.83" (453mm) 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 in Stephenson, sunrise is at 7:13 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:59 pm EST.

Sunshine

In Stephenson, the average sunshine in December is 5.2h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

During December, Stephenson experiences an average high-temperature of 43.2°F (6.2°C) and a low-temperature of 29.7°F (-1.3°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 91.4°F (33°C).

In Stephenson, Virginia, the average relative humidity in December is 78%.

In Stephenson, in December, during 11 rainfall days, 2.4" (61mm) of precipitation is typically accumulated.

In Stephenson, Virginia, in December, snow falls for 4.5 days, with typically accumulated 3.15" (80mm) of snow.

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

In Stephenson, the average day length in December is 9h and 28min.

On the first day of December, sunrise is at 7:13 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:59 pm EST.

In December, the average sunshine duration in Stephenson is 5.2h.

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

The average daily maximum UV index in December in Stephenson is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Stephenson, VA

  • Average high temperature in December: 43.2°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in December: 29.7°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
Stephenson, VA

  • 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
Stephenson, VA

  • Average wind speed in December: 6.1mph

The windiest month (with the highest average wind speed) is March (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in December
Stephenson, VA

  • Average humidity in December: 78%

The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is July (73%).

Average rainfall in December
Stephenson, VA

  • Average rainfall in December: 2.4"

The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is January (1.97").

Average rainfall days in December
Stephenson, VA

  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in December
Stephenson, VA

  • Average snowfall in December: 3.15"

The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Stephenson, VA

  • Average snowfall days in December: 4.5 days

The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Stephenson, VA

  • Average daylight in December: 9h and 30min

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: 5h and 12min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in December
Stephenson, VA

  • Average sunshine days in December: 16.7 days

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (10 days).

Average UV index in December
Stephenson, VA

  • 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
Stephenson, VA

  • Average cloud cover in December: 46

The months with the most cloud cover are February, March and December (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in December
Stephenson, VA

  • Average visibility in December: 6mi

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