January weather forecast
Big Rock, VA

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Weather in January

January, like December, in Big Rock, Virginia, is another cold winter month, with an average temperature ranging between min 27°F (-2.8°C) and max 41.2°F (5.1°C).

Temperature

With an average high-temperature of 41.2°F (5.1°C) and an average low-temperature of 27°F (-2.8°C), January is the coldest month.

Humidity

In Big Rock, Virginia, the average relative humidity in January is 79%.

Rainfall

In Big Rock, in January, during 12.2 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. In Big Rock, during the entire year, the rain falls for 181.3 days and collects up to 34.02" (864mm) of precipitation.

Snowfall

Months with snowfall in Big Rock are January through April, October through December. January is the month with the most snowfall in Big Rock. Snow falls for 11.4 days and accumulates 4.17" (106mm) of snow.

Daylight

In Big Rock, the average length of the day in January is 9h and 56min.
On the first day of January, sunrise is at 7:42 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:51 pm EST.

Sunshine

The month with the least sunshine is January, with an average of 4.1h of sunshine.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily high UV index of 2 during January translates into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest in Big Rock?

Big Rock's January weather, marked by an average high temperature of 41.2°F (5.1°C) and an average low temperature of 27°F (-2.8°C), is the coldest in the year.

Is January cold in Big Rock?

In January, in Big Rock, the average high-temperature is 41.2°F (5.1°C), and the average low-temperature is 27°F (-2.8°C).

What is the average humidity in January in Big Rock?

In January, the average relative humidity in Big Rock is 79%.

How much does it rain in Big Rock in January?

In Big Rock, Virginia, in January, it is raining for 12.2 days, with typically 2.76" (70mm) of accumulated precipitation.

When does it snow the most in Big Rock?

January is the month with the most snowfall. Snow falls for 11.4 days and accumulates 4.17" (106mm) of snow.

How much does it snow in Big Rock in January?

In January, in Big Rock, Virginia, it is snowing for 11.4 days. Throughout January, 4.17" (106mm) of snow is accumulated.

How many hours of daylight does Big Rock have in January?

The average day length in January in Big Rock, Virginia, is 9h and 56min.

When is the sunrise / sunset in January in Big Rock?

On the first day of January in Big Rock, sunrise is at 7:42 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:51 pm EST.

What is the month with the least sunshine in Big Rock?

With an average of 4.1h of sunshine, January has the least sunshine of the year.

How long on average sun shines in January in Big Rock?

In January, the average sunshine duration in Big Rock, Virginia, is 4.1h.

What is the month with the lowest UV index in Big Rock?

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

What is the UV index intensity in January in Big Rock?

The average daily maximum UV index in January in Big Rock is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's 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 January
Big Rock, VA

Average temperature in January - Big Rock, VA
  • Average high temperature in January: 41.2°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (41.2°F).

  • Average low temperature in January: 27°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in January
Big Rock, VA

Average pressure in January - Big Rock, VA
  • Average pressure in January: 30.16"Hg

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

Average wind speed in January
Big Rock, VA

Average wind speed in January - Big Rock, VA
  • Average wind speed in January: 6.3mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in January
Big Rock, VA

Average humidity in January - Big Rock, VA
  • Average humidity in January: 79%

The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are July, August and November (74%).

Average rainfall in January
Big Rock, VA

Average rainfall in January - Big Rock, VA
  • Average rainfall in January: 2.76"

The wettest month (with the highest rainfall) is February (3.62").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in January
Big Rock, VA

Average rainfall days in January - Big Rock, VA
  • Average rainfall days in January: 12.2 days

The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is November (11.3 days).

Average snowfall in January
Big Rock, VA

Average snowfall in January - Big Rock, VA
  • Average snowfall in January: 4.17"

The month with the highest snowfall is January (4.17").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Big Rock, VA

Average snowfall days in January - Big Rock, VA
  • Average snowfall days in January: 11.4 days

The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Big Rock, VA

Average daylight in January / Average sunshine in January - Big Rock, 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 36min).

  • Average sunshine in January: 4h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in January
Big Rock, VA

Average sunshine days in January - Big Rock, VA
  • Average sunshine days in January: 10.4 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (8.3 days).

Average UV index in January
Big Rock, VA

Average UV index in January - Big Rock, VA
  • Average UV index in January: 2

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

Average cloud cover in January
Big Rock, VA

Average cloud cover in January - Big Rock, VA
  • Average cloud cover in January: 59

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in January
Big Rock, VA

Average visibility in January - Big Rock, VA
  • Average visibility in January: 5mi

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

Big Rock, Virginia, USA

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