Richmond
Virginia, USA
Long-term weather forecast
Long-term weather forecast

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
December, the first month of the winter, in Richmond, is still a cool month, with average temperature fluctuating between 31.5°F (-0.3°C) and 50.7°F (10.4°C).

Temperature

In December, the average high-temperature drops, from an enjoyable 61.3°F (16.3°C) in November, to a fresh 50.7°F (10.4°C). The average low-temperature, in December, is 31.5°F (-0.3°C).

Humidity

The average relative humidity in December is 68.9%.

Rainfall

In Richmond, Virginia, it is raining for 9.7 days, with typically 3.3" (82.8mm) of accumulated precipitation. Throughout the year, there are 114 rainfall days, and 43.6" (1107.5mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Richmond, Virginia. In Richmond, during December, snow falls for 1.2 days and regularly aggregates up to 2.1" (53.3mm) of snow. In Richmond, during the entire year, snow falls for 6.1 days, and aggregates up to 10.3" (261.6mm) of snow.

Daylight

With an average of 9.6h of daylight, December has the shortest days of the year in Richmond.

Sunshine

With an average of 5.3h of sunshine, December has the least sunshine of the year.

UV index

Months with the lowest UV index in Richmond are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 2 interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for 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.

What is the temperature in December in Richmond?

In Richmond, in December, the average high-temperature is 50.7°F (10.4°C), and the average low-temperature is 31.5°F (-0.3°C).

What is the average humidity in December in Richmond?

In Richmond, Virginia, the average relative humidity in December is 68.9%.

How many days does it rain in December in Richmond?

In December, the rain falls for 9.7 days. Throughout December, 3.3" (82.8mm) of precipitation is accumulated.

How much does it snow in Richmond in December?

In Richmond, during December, snow falls for 1.2 days and regularly aggregates up to 2.1" (53.3mm) of snow.

What is the month with the shortest days in Richmond?

With an average of 9.6h of daylight, December has the shortest days of the year in Richmond.

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

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

What is the month with the least sunshine in Richmond?

The month with the least sunshine in Richmond, Virginia, is December, with an average of 5.3h of sunshine.

How many hours of sunshine does Richmond have in December?

The average sunshine in December in Richmond, Virginia, is 5.3h.

When is the lowest UV index in Richmond?

Months with the lowest UV index in Richmond 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 is 2. A UV Index estimate of 2, and below, represents a low health threat from the exposure to the Sun's UV rays.
Average temperature in December - Richmond, VA
  • Average high temperature in December: 50.7°F

The warmest month (with the highest average high temperature) is July (89.7°F).
The month with the lowest average high temperature is January (47.4°F).

  • Average low temperature in December: 31.4°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (28.3°F).

Average humidity in December - Richmond, VA
  • Average humidity in December: 68.9%

The month with the highest relative humidity is August (77.2%).
The month with the lowest relative humidity is April (60.8%).

Average rainfall in December - Richmond, VA
  • Average rainfall in December: 3.3"

The wettest month (with the highest rainfall) is August (4.7").
The driest month (with the lowest rainfall) is February (2.8").

Average rainfall days in December - Richmond, VA
  • Average rainfall days in December: 9.7 days

The month with the highest number of rainy days is July (11.4 days).
The month with the lowest number of rainy days is October (7.4 days).

Average snowfall in December - Richmond, VA
  • Average snowfall in December: 2.1"

The month with the highest snowfall is January (3.9").
Months with the lowest snowfall are May, June, July, August, September and October (0").

Average snowfall days in December - Richmond, VA
  • Average snowfall days in December: 1.2 days

Months with the highest number of snowfall days are January and February (1.9 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

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 shortest days is December (Average daylight: 9.6h).

  • Average sunshine in December: 5.3h

The month with most sunshine is June (Average sunshine: 10.2h).
The month with least sunshine is December (Average sunshine: 5.3h).

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

Months with the highest UV index are June, July and August (UV index 9).
Months with the lowest UV index are January and December (UV index 2).