December weather forecast
Roxbury, VA

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Weather in December

December, the first month of the winter in Roxbury, is also a frosty month, with an average temperature ranging between min 35.6°F (2°C) and max 49.1°F (9.5°C).

Temperature

The onset of December is marked by a minor decrease in temperature, transitioning from a refreshing 57.2°F (14°C) in November to a frosty 49.1°F (9.5°C). Nightly temperatures drop to an average low of 35.6°F (2°C) in December.

Humidity

The most humid month in Roxbury is December, with an average relative humidity of 78%.

Rainfall

In December, in Roxbury, the rain falls for 8.6 days. Throughout December, 1.3" (33mm) of precipitation is accumulated. In Roxbury, during the entire year, the rain falls for 133.2 days and collects up to 18.94" (481mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Roxbury, during December, snow falls for 0.7 days and regularly aggregates up to 0.43" (11mm) of snow. Throughout the year, in Roxbury, Virginia, there are 6 snowfall days, and 2.4" (61mm) of snow is accumulated.

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year in Roxbury.
On the first day of December in Roxbury, Virginia, 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.

Sunshine

The months with the least sunshine are February and December, with an average of 5.2h of 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 radiation for the average person.
Note: A maximum high daily UV index of 2 during December translates into the following directions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

What is the temperature in December in Roxbury?

The high-temperature in Roxbury, Virginia, during December is 49.1°F (9.5°C) and the low-temperature is 35.6°F (2°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, in September is calculated to be 86°F (30°C).

What is the most humid month in Roxbury?

December is the most humid month in Roxbury, with an average relative humidity of 78%.

What is the average humidity in December in Roxbury?

The average relative humidity in December is 78%.

How much does it rain in Roxbury in December?

In Roxbury, in December, it is raining for 8.6 days, with typically 1.3" (33mm) of accumulated precipitation.

How many days does it snow in December in Roxbury?

In December, it is snowing for 0.7 days. Throughout December, 0.43" (11mm) of snow is accumulated.

What is the month with the shortest days in Roxbury?

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?

In December, the average day length is 9h and 38min.

When are sunrise and sunset in December in Roxbury?

On the first day of December in Roxbury, Virginia, 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 in Roxbury?

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

How many hours of sunshine does Roxbury have in December?

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

When is the lowest UV index in Roxbury?

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

How high is the UV index in December in Roxbury?

In Roxbury, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Roxbury, Virginia, USA

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