December weather forecast and climate
Richmond, VA

River James in Richmond, Virginia overlooking the lit city buildings at dusk
River James in Richmond, Virginia overlooking the lit city buildings at dusk

Weather in December

The first month of the winter, December, is also a frosty month in Richmond, Virginia, with average temperature fluctuating between 49.1°F (9.5°C) and 35.1°F (1.7°C).

Temperature

In December, the average high-temperature slightly decreases, from a mild 57°F (13.9°C) in November, to a chilly 49.1°F (9.5°C). In December, in Richmond, the average low-temperature is 35.1°F (1.7°C).

Humidity

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

Rainfall

In Richmond, Virginia, during December, the rain falls for 10.9 days and regularly aggregates up to 2.52" (64mm) of precipitation. In Richmond, during the entire year, the rain falls for 154.5 days and collects up to 30.35" (771mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In December, it is snowing for 1.5 days. Throughout December, 1.65" (42mm) of snow is accumulated. Throughout the year, there are 10.1 snowfall days, and 7.2" (183mm) of snow is accumulated.

Daylight

The month with the shortest days in Richmond, Virginia, is December, with an average of 9.6h of daylight.

Sunshine

With an average of 5.1h of sunshine, December has the least sunshine of the year in Richmond.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Richmond, Virginia. A UV Index of 2, and less, symbolizes a low threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 2 transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Richmond?

The average high-temperature, in December, is 49.1°F (9.5°C), while the average low-temperature is 35.1°F (1.7°C).

What is the most humid month in Richmond?

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

What is the average humidity in December in Richmond?

The average relative humidity in December in Richmond, Virginia, is 78%.

How many days does it rain in December in Richmond?

In Richmond, Virginia, during December, the rain falls for 10.9 days and regularly aggregates up to 2.52" (64mm) of precipitation.

How much does it snow in Richmond in December?

In Richmond, in December, snow falls for 1.5 days, with typically accumulated 1.65" (42mm) of snow.

What is the month with the shortest days in Richmond?

December has the shortest days of the year, with an average of 9.6h of daylight.

How many hours of daylight does Richmond have in December?

In December, the average length of the day in Richmond is 9.6h.

What is the month with the least sunshine in Richmond?

With an average of 5.1h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does Richmond have in December?

In Richmond, Virginia, the average sunshine in December is 5.1h.

What are the months with the lowest UV index in Richmond?

Months with the lowest UV index are January and December, with an average maximum UV index of 2.

What is the UV index reading in December in Richmond?

In December, the average daily maximum UV index in Richmond, Virginia, is 2. A UV Index reading of 2, and below, represents a low health threat from unsafe exposure to the Sun's UV rays.

Average temperature in December
Richmond, VA

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

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (44.6°F).

  • Average low temperature in December: 35.1°F

The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

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Average pressure in December
Richmond, VA

Average pressure in December - Richmond, VA
  • Average pressure in December: 30.12"

The month with the highest atmospheric pressure is November (30.14").
The month with the lowest atmospheric pressure is June (29.95").

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Average wind speed in December
Richmond, VA

Average wind speed in December - Richmond, VA
  • Average wind speed in December: 6mph

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in December
Richmond, VA

Average humidity in December - Richmond, 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 (68%).

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Average rainfall in December
Richmond, VA

Average rainfall in December - Richmond, VA
  • Average rainfall in December: 2.52"

The wettest month (with the highest rainfall) is August (2.87").
The driest month (with the least rainfall) is September (1.73").

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Average rainfall days in December
Richmond, VA

Average rainfall days in December - Richmond, VA
  • Average rainfall days in December: 10.9 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is November (9.7 days).

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Average snowfall in December
Richmond, VA

Average snowfall in December - Richmond, VA
  • Average snowfall in December: 1.65"

The month with the highest snowfall is January (2.05").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Richmond, VA

Average snowfall days in December - Richmond, VA
  • Average snowfall days in December: 1.5 days

The month with the highest number of snowfall days is January (3.3 days).
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
Richmond, VA

Average daylight in December / Average sunshine in December - Richmond, VA
  • Average daylight in December: 9.6h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in December: 5.1h

The month with the most sunshine is July (Average sunshine: 10.5h).
The month with the least sunshine is December (Average sunshine: 5.1h).

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Average sunshine days in December
Richmond, VA

Average sunshine days in December - Richmond, VA
  • Average sunshine days in December: 18.6 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (12.1 days).

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Average UV index in December
Richmond, VA

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

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in December
Richmond, VA

Average cloud cover in December - Richmond, 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 32).

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Average visibility in December
Richmond, VA

Average visibility in December - Richmond, VA
  • Average visibility in December: 5mi

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

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