December weather forecast
Roxbury, VA

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Weather in December

December, the first month of the winter in Roxbury, is still a chilly month, with an average temperature fluctuating between 35.6°F (2°C) and 49.1°F (9.5°C).

Temperature

December ushers in a minute temperature change, with average high-temperatures reducing from November's mild 57.2°F (14°C) to a chilly 49.1°F (9.5°C). December's nights observe an average temperature of 35.6°F (2°C).

Humidity

With an average relative humidity of 78%, December is the most humid month.

Rainfall

In Roxbury, in December, during 8.6 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. Throughout the year, there are 133.2 rainfall days, and 18.94" (481mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Roxbury are January through April, November and December. In December, it is snowing for 0.7 days. Throughout December, 0.43" (11mm) of snow is accumulated. Throughout the year, in Roxbury, there are 6 snowfall days, and 2.4" (61mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 36min of daylight.
On the first day of the month, sunrise is at 7:04 am and sunset at 4:50 pm. On the last day of December, sunrise is at 7:22 am and sunset at 5:00 pm EST.

Sunshine

February and December, with an average of 5.2h of sunshine, are months with the least sunshine.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In December, an average UV index of 2 transforms into the following instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.

Frequently asked questions

What is the average December temperature?

In December, the average high-temperature and low-temperature are 49.1°F (9.5°C) and 35.6°F (2°C) respectively. In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 86°F (30°C).

What is the most humid month in Roxbury?

The most humid month is 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 Roxbury, Virginia, in December, during 8.6 rainfall days, 1.3" (33mm) of precipitation is typically accumulated.

How much does it snow in December?

In Roxbury, during December, snow falls for 0.7 days and regularly aggregates up to 0.43" (11mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 36min of daylight.

How many hours of daylight does Roxbury have in December?

The average day length in December in Roxbury is 9h and 38min.

What time are sunrise and sunset in December in Roxbury?

On the first day of December, sunrise is at 7:04 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:00 pm EST.

What are the months with the least sunshine?

February and December, with an average of 5.2h of sunshine, are months with the least sunshine.

How many hours of sunshine does Roxbury have in December?

In December, the average sunshine duration is 5.2h.

What are the months with the lowest UV index?

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

How high is the UV index in December?

In Roxbury, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents 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
Roxbury, VA

Average temperature in December - Roxbury, VA
  • Average high temperature in December: 49.1°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (44.8°F).

  • Average low temperature in December: 35.6°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

Average pressure in December
Roxbury, VA

Average pressure in December - Roxbury, VA
  • 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
Roxbury, VA

Average wind speed in December - Roxbury, VA
  • Average wind speed in December: 6.1mph

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in December
Roxbury, VA

Average humidity in December - Roxbury, VA
  • Average humidity in December: 78%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (69%).

Average rainfall in December
Roxbury, VA

Average rainfall in December - Roxbury, VA
  • Average rainfall in December: 1.3"

The wettest month (with the highest rainfall) is August (2.05").
The driest month (with the least rainfall) is September (1.1").

Average rainfall days in December
Roxbury, VA

Average rainfall days in December - Roxbury, VA
  • Average rainfall days in December: 8.6 days

The month with the highest number of rainy days is May (14.8 days).
The months with the least rainy days are October and November (8.2 days).

Average snowfall in December
Roxbury, VA

Average snowfall in December - Roxbury, VA
  • Average snowfall in December: 0.43"

The month with the highest snowfall is March (0.67").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Roxbury, VA

Average snowfall days in December - Roxbury, VA
  • Average snowfall days in December: 0.7 days

The month with the highest number of snowfall days is February (2.4 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
Roxbury, VA

Average daylight in December / Average sunshine in December - Roxbury, VA
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 12min).

Average sunshine days in December
Roxbury, VA

Average sunshine days in December - Roxbury, VA
  • Average sunshine days in December: 21.4 days

The months with the most sunshine days are October and December (21.4 days).
The month with the least sunshine days is May (14.4 days).

Average UV index in December
Roxbury, VA

Average UV index in December - Roxbury, VA
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in December
Roxbury, VA

Average cloud cover in December - Roxbury, VA
  • Average cloud cover in December: 45

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in December
Roxbury, VA

Average visibility in December - Roxbury, VA
  • Average visibility in December: 6mi

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

Roxbury, Virginia, USA

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