January weather forecast
Byron, VA

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Weather in January

January, the same as December, is an icy winter month in Byron, Virginia, with an average temperature ranging between min 23.7°F (-4.6°C) and max 37.9°F (3.3°C).

Temperature

The coldest period is January, when temperatures fluctuate between an average high of 37.9°F (3.3°C) and a low of 23.7°F (-4.6°C).

Humidity

In January, the average relative humidity is 80%.

Rainfall

In Byron, in January, it is raining for 10 days, with typically 2.28" (58mm) of accumulated precipitation. Throughout the year, there are 174.7 rainfall days, and 29.96" (761mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In January, it is snowing for 11.2 days. Throughout January, 6.06" (154mm) of snow is accumulated. In Byron, during the entire year, snow falls for 46.5 days and aggregates up to 27.36" (695mm) of snow.

Daylight

In January, the average length of the day is 9h and 57min.
On the first day of January, sunrise is at 7:38 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:47 pm EST.

Sunshine

With an average of 4.4h of sunshine, January has the least sunshine of the year.

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 estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 2 during January translates into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

In Byron, January is the month with the lowest recorded average temperatures, measuring a high of 37.9°F (3.3°C) and a low of 23.7°F (-4.6°C).

How cold is January?

An average high-temperature, in January, in Byron, is 37.9°F (3.3°C) and the average low-temperature is 23.7°F (-4.6°C).

What is the average humidity in January?

In Byron, the average relative humidity in January is 80%.

How many days does it rain in January?

In Byron, during January, the rain falls for 10 days and regularly aggregates up to 2.28" (58mm) of precipitation.

How many days does it snow in January?

In January, it is snowing for 11.2 days. Throughout January, 6.06" (154mm) of snow is accumulated.

What is the average length of the day in January?

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

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:38 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:47 pm EST.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 4.4h of sunshine.

How many hours of sunshine does Byron have in January?

The average sunshine duration in January is 4.4h.

When is the lowest UV index?

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

How high is the UV index in January?

In Byron, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health risk from 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
Byron, VA

Average temperature in January - Byron, VA
  • Average high temperature in January: 37.9°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in January: 23.7°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

Average pressure in January
Byron, VA

Average pressure in January - Byron, VA
  • Average pressure in January: 30.15"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in January
Byron, VA

Average wind speed in January - Byron, VA
  • Average wind speed in January: 7.9mph

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in January
Byron, VA

Average humidity in January - Byron, VA
  • Average humidity in January: 80%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, June, July, August and November (77%).

Average rainfall in January
Byron, VA

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

The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is September (1.5").

Average rainfall days in January
Byron, VA

Average rainfall days in January - Byron, VA
  • Average rainfall days in January: 10 days

The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is January (10 days).

Average snowfall in January
Byron, VA

Average snowfall in January - Byron, VA
  • Average snowfall in January: 6.06"

The month with the highest snowfall is December (6.18").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Byron, VA

Average snowfall days in January - Byron, VA
  • Average snowfall days in January: 11.2 days

The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Byron, 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: 4h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in January
Byron, VA

Average sunshine days in January - Byron, VA
  • Average sunshine days in January: 12.3 days

The month with the most sunshine days is November (16.5 days).
The months with the least sunshine days are February and May (9.8 days).

Average UV index in January
Byron, VA

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

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

Average cloud cover in January
Byron, VA

Average cloud cover in January - Byron, VA
  • Average cloud cover in January: 58

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 36).

Average visibility in January
Byron, VA

Average visibility in January - Byron, 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).

Byron, Virginia, USA

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