January weather forecast
King William, VA

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Weather in January

January, like December, is a frosty winter month in King William, Virginia, with an average temperature ranging between max 44.2°F (6.8°C) and min 29.3°F (-1.5°C).

Temperature

King William witnesses the coldest weather in January, with temperatures averaging a high of 44.2°F (6.8°C) and a low of 29.3°F (-1.5°C).

Humidity

The average relative humidity in January is 74%.

Rainfall

In King William, in January, during 9.8 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. Throughout the year, there are 157.7 rainfall days, and 30.71" (780mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. The month with the most snowfall is January, when snow falls for 3.9 days and typically aggregates up to 1.93" (49mm) of snow.

Daylight

The average length of the day in January is 9h and 55min.
On the first day of the month, sunrise is at 7:23 am and sunset at 4:59 pm. On the last day of January, sunrise is at 7:12 am and sunset at 5:30 pm EST.

Sunshine

In January, the average sunshine is 5.5h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in King William. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In January, a daily UV index of 2 turns into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

King William's temperature records reveal January as the coldest month, marked by average highs of 44.2°F (6.8°C) and lows of 29.3°F (-1.5°C).

How cold does it get in January?

In King William, in January, the average high-temperature is 44.2°F (6.8°C), and the average low-temperature is 29.3°F (-1.5°C).

What is the average humidity in January?

In January, the average relative humidity is 74%.

How much does it rain in January?

In King William, in January, it is raining for 9.8 days, with typically 2.4" (61mm) of accumulated precipitation.

When does it snow the most?

January is the month with the most snowfall. Snow falls for 3.9 days and accumulates 1.93" (49mm) of snow.

How many days does it snow in January?

In King William, in January, during 3.9 snowfall days, 1.93" (49mm) of snow is typically accumulated.

What is the average length of the day in January?

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

What time are sunrise and sunset in January in King William?

On the first day of January, sunrise is at 7:23 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:30 pm EST.

How many hours of sunshine does King William have in January?

The average sunshine duration in January is 5.5h.

When is the lowest UV index?

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

What is the UV index reading in January?

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
King William, VA

Average temperature in January - King William, VA
  • Average high temperature in January: 44.2°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (44.2°F).

  • Average low temperature in January: 29.3°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).

Average pressure in January
King William, VA

Average pressure in January - King William, 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
King William, VA

Average wind speed in January - King William, VA
  • Average wind speed in January: 6.6mph

The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in January
King William, VA

Average humidity in January - King William, VA
  • Average humidity in January: 74%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is July (71%).

Average rainfall in January
King William, VA

Average rainfall in January - King William, VA
  • Average rainfall in January: 2.4"

The wettest month (with the highest rainfall) is August (2.99").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in January
King William, VA

Average rainfall days in January - King William, VA
  • Average rainfall days in January: 9.8 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (9.8 days).

Average snowfall in January
King William, VA

Average snowfall in January - King William, VA
  • Average snowfall in January: 1.93"

The month with the highest snowfall is January (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
King William, VA

Average snowfall days in January - King William, VA
  • Average snowfall days in January: 3.9 days

The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
King William, VA

Average daylight in January / Average sunshine in January - King William, 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 36min).
The months with the least sunshine are February and December (Average sunshine: 5h and 18min).

Average sunshine days in January
King William, VA

Average sunshine days in January - King William, VA
  • Average sunshine days in January: 17.9 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (11.8 days).

Average UV index in January
King William, VA

Average UV index in January - King William, 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 and December (UV index 2).

Average cloud cover in January
King William, VA

Average cloud cover in January - King William, VA
  • Average cloud cover in January: 41

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in January
King William, VA

Average visibility in January - King William, VA
  • Average visibility in January: 6mi

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

King William, Virginia, USA

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