December weather forecast
Blacksburg, SC

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Weather in December

December, the first month of the winter in Blacksburg, is also a fresh month, with temperature in the range of an average low of 38.1°F (3.4°C) and an average high of 52.5°F (11.4°C).

Temperature

In December, the average high-temperature marginally decreases from a mild 59.7°F (15.4°C) in November to a fresh 52.5°F (11.4°C). During December nights, Blacksburg witnesses a consistent average temperature of 38.1°F (3.4°C).

Humidity

December is the most humid month, with an average relative humidity of 76%.

Rainfall

In Blacksburg, during December, the rain falls for 9.5 days and regularly aggregates up to 2.8" (71mm) of precipitation. Throughout the year, there are 150.1 rainfall days, and 27.68" (703mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March and December. December is the month with the most snowfall. Snow falls for 0.5 days and accumulates 2.01" (51mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 7:16 am and sunset at 5:14 pm. On the last day of December, sunrise is at 7:34 am and sunset at 5:24 pm EST.

Sunshine

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

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 2 in December transforms into the following instructions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Blacksburg in December?

December temperatures vary between a high-temperature of 52.5°F (11.4°C) and a low-temperature of 38.1°F (3.4°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in September is evaluated at 89.6°F (32°C).

What is the most humid month?

The most humid month is December, with an average relative humidity of 76%.

What is the average humidity in December?

In Blacksburg, the average relative humidity in December is 76%.

How much does it rain in December?

In Blacksburg, in December, it is raining for 9.5 days, with typically 2.8" (71mm) of accumulated precipitation.

When does it snow the most?

December is the month with the most snowfall. Snow falls for 0.5 days and accumulates 2.01" (51mm) of snow.

When does it start snowing?

December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 2.01" (51mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 48min of daylight.

How many hours of daylight does Blacksburg have in December?

The average day length in December is 9h and 50min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:16 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:24 pm EST.

What is the month with the least sunshine?

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

How long on average sun shines in December?

The average sunshine duration in December is 5.3h.

What are the months with the lowest UV index?

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

What is the UV index reading in December in Blacksburg?

In Blacksburg, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk 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
Blacksburg, SC

Average temperature in December - Blacksburg, SC
  • Average high temperature in December: 52.5°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (48.7°F).

  • Average low temperature in December: 38.1°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).

Average pressure in December
Blacksburg, SC

Average pressure in December - Blacksburg, SC
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in December
Blacksburg, SC

Average wind speed in December - Blacksburg, SC
  • Average wind speed in December: 5.9mph

The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in December
Blacksburg, SC

Average humidity in December - Blacksburg, SC
  • Average humidity in December: 76%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (70%).

Average rainfall in December
Blacksburg, SC

Average rainfall in December - Blacksburg, SC
  • Average rainfall in December: 2.8"

The wettest month (with the highest rainfall) is August (3.11").
The driest month (with the least rainfall) is October (1.73").

Average rainfall days in December
Blacksburg, SC

Average rainfall days in December - Blacksburg, SC
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (8.6 days).

Average snowfall in December
Blacksburg, SC

Average snowfall in December - Blacksburg, SC
  • Average snowfall in December: 2.01"

The month with the highest snowfall is December (2.01").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Blacksburg, SC

Average snowfall days in December - Blacksburg, SC
  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in December /
Average sunshine in December
Blacksburg, SC

Average daylight in December / Average sunshine in December - Blacksburg, SC
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days in December
Blacksburg, SC

Average sunshine days in December - Blacksburg, SC
  • Average sunshine days in December: 20.4 days

The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is July (11.2 days).

Average UV index in December
Blacksburg, SC

Average UV index in December - Blacksburg, SC
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in December
Blacksburg, SC

Average cloud cover in December - Blacksburg, SC
  • Average cloud cover in December: 43

The month with the most cloud cover is December (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 30).

Average visibility in December
Blacksburg, SC

Average visibility in December - Blacksburg, SC
  • 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).

Blacksburg, South Carolina, USA

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