January weather forecast
Blacksburg, VA

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Weather in January

The year in Blacksburg, Virginia starts off chilly with January's cold weather. This month has the lowest sunlight hours of 5.0 hours per day, paired with the shortest daylight duration among all months, creating a rather gray and overcast atmosphere. Significant snowfall, amounting to 4.02" (102mm), and a relative humidity of 77% contribute to the frosty weather prevailing in January. Moving through the month, the temperature range sees a large gap between the lowest and highest average temperatures. Climatically, January can be seen as the pivot point for a transition toward higher temperatures in the upcoming months.

Temperature

January is the coldest month in Blacksburg, exhibiting average temperatures of 39.4°F (4.1°C) at the peak and 24.3°F (-4.3°C) at the base.

Humidity

In January, the average relative humidity in Blacksburg is 77%.

Rainfall

In Blacksburg, in January, it is raining for 13.8 days, with typically 2.28" (58mm) of accumulated precipitation. Throughout the year, there are 181.4 rainfall days, and 30.98" (787mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Blacksburg, during January, snow falls for 8.3 days and regularly aggregates up to 4.02" (102mm) of snow. Throughout the year, in Blacksburg, there are 32.6 snowfall days, and 19.96" (507mm) of snow is accumulated.

Daylight

The average length of the day in January in Blacksburg, Virginia, is 9h and 57min.
On the first day of January, sunrise is at 7:35 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:44 pm EST.

Sunshine

January has the least sunshine of the year in Blacksburg, with an average of 5h of sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 2 in January interprets into the following advice:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months in Blacksburg?

January, with an average high of 39.4°F (4.1°C) and a low of 24.3°F (-4.3°C), signifies the coldest month of the year in Blacksburg.

How cold is January in Blacksburg?

In January, the average high-temperature and low-temperature in Blacksburg, Virginia, are 39.4°F (4.1°C) and 24.3°F (-4.3°C) respectively.

What is the average humidity in January in Blacksburg?

In Blacksburg, Virginia, the average relative humidity in January is 77%.

How much does it rain in Blacksburg in January?

In Blacksburg, Virginia, in January, during 13.8 rainfall days, 2.28" (58mm) of precipitation is typically accumulated.

How many days does it snow in January in Blacksburg?

In January, in Blacksburg, Virginia, it is snowing for 8.3 days. Throughout January, 4.02" (102mm) of snow is accumulated.

How many hours of daylight does Blacksburg have in January?

In Blacksburg, the average day length in January is 9h and 57min.

What time are sunrise and sunset in January in Blacksburg?

On the first day of January, sunrise is at 7:35 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:44 pm EST.

What is the month with the least sunshine in Blacksburg?

The month with the least sunshine in Blacksburg is January, with an average of 5h of sunshine.

How long on average sun shines in January in Blacksburg?

The average sunshine duration in January in Blacksburg is 5h.

When is the lowest UV index in Blacksburg?

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

How high is the UV index in January in Blacksburg?

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health threat from unsafe 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 January
Blacksburg, VA

Average temperature in January - Blacksburg, VA
  • Average high temperature in January: 39.4°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (39.4°F).

  • Average low temperature in January: 24.3°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in January
Blacksburg, VA

Average pressure in January - Blacksburg, VA
  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in January
Blacksburg, VA

Average wind speed in January - Blacksburg, VA
  • Average wind speed in January: 7.5mph

The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in January
Blacksburg, VA

Average humidity in January - Blacksburg, VA
  • Average humidity in January: 77%

The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is July (75%).

Average rainfall in January
Blacksburg, VA

Average rainfall in January - Blacksburg, VA
  • Average rainfall in January: 2.28"

The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in January
Blacksburg, VA

Average rainfall days in January - Blacksburg, VA
  • Average rainfall days in January: 13.8 days

The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is November (9.8 days).

Average snowfall in January
Blacksburg, VA

Average snowfall in January - Blacksburg, VA
  • Average snowfall in January: 4.02"

The month with the highest snowfall is February (5.04").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Blacksburg, VA

Average snowfall days in January - Blacksburg, VA
  • Average snowfall days in January: 8.3 days

The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Blacksburg, VA

Average daylight in January / Average sunshine in January - Blacksburg, VA
  • Average daylight in January: 9h and 5min

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 42min).

  • Average sunshine in January: 5h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).

Average sunshine days in January
Blacksburg, VA

Average sunshine days in January - Blacksburg, VA
  • Average sunshine days in January: 12.9 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is May (8.6 days).

Average UV index in January
Blacksburg, VA

Average UV index in January - Blacksburg, VA
  • Average UV index in January: 2

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

Average cloud cover in January
Blacksburg, VA

Average cloud cover in January - Blacksburg, VA
  • Average cloud cover in January: 49

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 35).

Average visibility in January
Blacksburg, VA

Average visibility in January - Blacksburg, VA
  • Average visibility in January: 5mi

The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).

Blacksburg, Virginia, USA

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