January weather forecast
Arrington, VA

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Weather in January

January, like December, in Arrington, Virginia, is an icy winter month, with temperature in the range of an average high of 40.8°F (4.9°C) and an average low of 25.7°F (-3.5°C).

Temperature

Arrington's temperature records reveal January as the coldest month, marked by average highs of 40.8°F (4.9°C) and lows of 25.7°F (-3.5°C).

Humidity

In January, the average relative humidity in Arrington is 73%.

Rainfall

In Arrington, in January, during 10.2 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. Throughout the year, in Arrington, Virginia, there are 158.7 rainfall days, and 31.3" (795mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Arrington are January through April, October through December. In Arrington, in January, during 5 snowfall days, 3.35" (85mm) of snow is typically accumulated. Throughout the year, in Arrington, there are 17.2 snowfall days, and 13.98" (355mm) of snow is accumulated.

Daylight

In Arrington, Virginia, the average length of the day in January is 9h and 55min.
On the first day of January in Arrington, sunrise is at 7:30 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:37 pm EST.

Sunshine

In January, the average sunshine in Arrington is 5.5h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Arrington. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In January, the UV index of 2 transforms into the following advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month in Arrington?

The month of January, characterized by an average high of 40.8°F (4.9°C) and a low of 25.7°F (-3.5°C), is recognized as the coldest in Arrington, Virginia.

Is January cold in Arrington?

In Arrington, in January, the average high-temperature is 40.8°F (4.9°C), and the average low-temperature is 25.7°F (-3.5°C).

What is the average humidity in January in Arrington?

In Arrington, the average relative humidity in January is 73%.

How much does it rain in Arrington in January?

In Arrington, during January, the rain falls for 10.2 days and regularly aggregates up to 2.17" (55mm) of precipitation.

How many days does it snow in January in Arrington?

In Arrington, in January, snow falls for 5 days, with typically accumulated 3.35" (85mm) of snow.

How many hours of daylight does Arrington have in January?

The average day length in January in Arrington is 9h and 55min.

What time are sunrise and sunset in January in Arrington?

On the first day of January in Arrington, Virginia, sunrise is at 7:30 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:37 pm EST.

How many hours of sunshine does Arrington have in January?

In January, the average sunshine duration is 5.5h.

What are the months with the lowest UV index in Arrington?

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

What is the UV index reading in January in Arrington?

In Arrington, Virginia, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Arrington, VA

Average temperature in January - Arrington, VA
  • Average high temperature in January: 40.8°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (40.8°F).

  • Average low temperature in January: 25.7°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

Average pressure in January
Arrington, VA

Average pressure in January - Arrington, VA
  • Average pressure in January: 30.12"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in January
Arrington, VA

Average wind speed in January - Arrington, VA
  • Average wind speed in January: 6.2mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in January
Arrington, VA

Average humidity in January - Arrington, VA
  • Average humidity in January: 73%

The months with the highest relative humidity are May, September, October and December (77%).
The month with the lowest relative humidity is July (72%).

Average rainfall in January
Arrington, VA

Average rainfall in January - Arrington, VA
  • Average rainfall in January: 2.17"

The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in January
Arrington, VA

Average rainfall days in January - Arrington, VA
  • Average rainfall days in January: 10.2 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (8.5 days).

Average snowfall in January
Arrington, VA

Average snowfall in January - Arrington, VA
  • Average snowfall in January: 3.35"

The month with the highest snowfall is February (3.9").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Arrington, VA

Average snowfall days in January - Arrington, VA
  • Average snowfall days in January: 5 days

The month with the highest number of snowfall days is February (5.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Arrington, 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: 5h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days in January
Arrington, VA

Average sunshine days in January - Arrington, VA
  • Average sunshine days in January: 17.2 days

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is May (10.1 days).

Average UV index in January
Arrington, VA

Average UV index in January - Arrington, 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
Arrington, VA

Average cloud cover in January - Arrington, VA
  • Average cloud cover in January: 41

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in January
Arrington, VA

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

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

Arrington, Virginia, USA

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