December weather forecast
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 still a chilly month in Richmond, Virginia, with an average temperature varying between 49.1°F (9.5°C) and 35.1°F (1.7°C).

Temperature

In Richmond, the average high-temperature in December marginally drops from a moderate 57°F (13.9°C) in November to a frosty 49.1°F (9.5°C). In December, in Richmond, the average low-temperature is 35.1°F (1.7°C).

Humidity

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

Rainfall

In Richmond, 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 Richmond, in December, during 1.5 snowfall days, 1.65" (42mm) of snow is typically 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 is December, with an average of 9h and 37min of daylight.
On the first day of December in Richmond, sunrise is at 7:05 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:01 pm EST.

Sunshine

The month with the least sunshine in Richmond, Virginia, is December, with an average of 5.1h of sunshine.

UV index

The months with the lowest UV index in Richmond, Virginia, are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. 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?

In Richmond, in December, the average high-temperature is 49.1°F (9.5°C), and the average low-temperature is 35.1°F (1.7°C). in September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is computed to be 86°F (30°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?

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

How many days does it rain in December in Richmond?

In Richmond, in December, it is raining for 10.9 days, with typically 2.52" (64mm) of accumulated precipitation.

How many days does it snow in December in Richmond?

In Richmond, during December, snow falls for 1.5 days and regularly aggregates up to 1.65" (42mm) of snow.

What is the month with the shortest days in Richmond?

The month with the shortest days is December, with an average of 9h and 37min of daylight.

What is the average length of the day in December in Richmond?

The average day length in December in Richmond, Virginia, is 9h and 37min.

What time are sunrise and sunset in December in Richmond?

On the first day of December in Richmond, Virginia, sunrise is at 7:05 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:01 pm EST.

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?

The average sunshine duration in December is 5.1h.

What is the month with the lowest UV index in Richmond?

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

How high is the UV index in December in Richmond?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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"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
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").
The 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).
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
Richmond, VA

Average daylight in December / Average sunshine in December - Richmond, VA
  • Average daylight in December: 9h and 37min

The month with the longest days is June (Average daylight: 14h and 43min).
The month with the shortest days is December (Average daylight: 9h and 37min).

  • Average sunshine in December: 5h and 6min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

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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).
The 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

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

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