January weather forecastClear Brook, VA

January

Weather in January

January, like December, in Clear Brook, Virginia, is another cold winter month, with an average temperature varying between 23.5°F (-4.7°C) and 37.9°F (3.3°C).

Temperature

The coldest temperatures occur during January, when averages reach a peak of 37.9°F (3.3°C) and a low of 23.5°F (-4.7°C).

Humidity

The average relative humidity in January is 75%.

Rainfall

The month with the least rainfall is January, when the rain falls for 9.9 days and typically collects 1.97" (50mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Clear Brook, in January, snow falls for 8.7 days, with typically accumulated 4.17" (106mm) of snow. In Clear Brook, during the entire year, snow falls for 26.2 days and aggregates up to 17.83" (453mm) of snow.

Daylight

In Clear Brook, the average length of the day in January is 9h and 47min.
On the first day of January, sunrise is at 7:31 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:31 pm EST.

Sunshine

The month with the least sunshine is January, with an average of 5.1h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: In January, the maximum UV index of 2 translates into these guidelines:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Jun 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

January, with its high-temperature average of 37.9°F (3.3°C) and a low-temperature average of 23.5°F (-4.7°C), is the coldest month.

January temperatures vary between a high-temperature of 37.9°F (3.3°C) and a low-temperature of 23.5°F (-4.7°C).

In Clear Brook, the average relative humidity in January is 75%.

The month with the least rainfall is January, when the rain falls for 9.9 days and typically collects 1.97" (50mm) of precipitation.

In January, the rain falls for 9.9 days. Throughout January, 1.97" (50mm) of precipitation is accumulated.

In Clear Brook, in January, during 8.7 snowfall days, 4.17" (106mm) of snow is typically accumulated.

In Clear Brook, the average day length in January is 9h and 47min.

On the first day of January, sunrise is at 7:31 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:31 pm EST.

The month with the least sunshine is January, with an average of 5.1h of sunshine.

The average sunshine duration in January is 5.1h.

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

In Clear Brook, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Clear Brook, VA

  • Average high temperature in January: 37.9°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in January: 23.5°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

Average pressure in January
Clear Brook, VA

  • Average pressure in January: 30.11"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).

Average wind speed in January
Clear Brook, VA

  • Average wind speed in January: 6.8mph

The windiest month (with the highest average wind speed) is March (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in January
Clear Brook, VA

  • Average humidity in January: 75%

The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is July (73%).

Average rainfall in January
Clear Brook, VA

  • Average rainfall in January: 1.97"

The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is January (1.97").

Average rainfall days in January
Clear Brook, VA

  • Average rainfall days in January: 9.9 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in January
Clear Brook, VA

  • Average snowfall in January: 4.17"

The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Clear Brook, VA

  • Average snowfall days in January: 8.7 days

The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Clear Brook, VA

  • Average daylight in January: 9h and 48min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in January: 5h and 6min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in January
Clear Brook, VA

  • Average sunshine days in January: 15 days

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (10 days).

Average UV index in January
Clear Brook, VA

  • Average UV index in January: 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, February, November and December (UV index 2).

Average cloud cover in January
Clear Brook, VA

  • Average cloud cover in January: 45

The months with the most cloud cover are February, March and December (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in January
Clear Brook, VA

  • Average visibility in January: 5mi

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