January weather forecast
Yorktown, VA

Weather in January

January, like December, is a frosty winter month in Yorktown, Virginia, with an average temperature fluctuating between 32.5°F (0.3°C) and 45.1°F (7.3°C).

Temperature

With an average high-temperature of 45.1°F (7.3°C) and an average low-temperature of 32.5°F (0.3°C), January is the coldest month.

Humidity

The average relative humidity in January is 74%.

Rainfall

In Yorktown, it is raining for 10.5 days, with typically 2.56" (65mm) of accumulated precipitation. In Yorktown, during the entire year, the rain falls for 165.3 days and collects up to 34.25" (870mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Yorktown, during January, snow falls for 3 days and regularly aggregates up to 1.14" (29mm) of snow. Throughout the year, there are 8.3 snowfall days, and 4.13" (105mm) of snow is accumulated.

Ocean temperature

In January, the average ocean temperature in Yorktown is 50.9°F (10.5°C).
Note: Swimming in 50.9°F (10.5°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The average length of the day in January is 9h and 57min.
On the first day of January in Yorktown, sunrise is at 7:19 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:29 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. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 2 in January interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Yorktown?

The coldest month in Yorktown, Virginia, is January, with an average high-temperature of 45.1°F (7.3°C) and an average low-temperature of 32.5°F (0.3°C).

What is the average humidity in January in Yorktown?

In Yorktown, Virginia, the average relative humidity in January is 74%.

How many days does it rain in January in Yorktown?

In Yorktown, in January, during 10.5 rainfall days, 2.56" (65mm) of precipitation is typically accumulated.

How many days does it snow in January in Yorktown?

In January, it is snowing for 3 days. Throughout January, 1.14" (29mm) of snow is accumulated.

What is the water temperature in January in Yorktown?

In Yorktown, Virginia, in January, the average water temperature is 50.9°F (10.5°C). Swimming in 50.9°F (10.5°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in January in Yorktown?

The average day length in January is 9h and 57min.

When is the sunrise / sunset in January in Yorktown?

On the first day of January, sunrise is at 7:19 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:29 pm EST.

How long on average sun shines in January in Yorktown?

The average sunshine duration in January in Yorktown is 5.5h.

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

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

How high is the UV index in January in Yorktown?

The average daily maximum UV index in January in Yorktown, Virginia, is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Yorktown, VA

Average temperature in January - Yorktown, VA
  • Average high temperature in January: 45.1°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in January: 32.5°F

The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).

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Average pressure in January
Yorktown, VA

Average pressure in January - Yorktown, VA
  • Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in January
Yorktown, VA

Average wind speed in January - Yorktown, VA
  • Average wind speed in January: 8.7mph

The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).

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Average humidity in January
Yorktown, VA

Average humidity in January - Yorktown, VA
  • Average humidity in January: 74%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (72%).

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Average rainfall in January
Yorktown, VA

Average rainfall in January - Yorktown, VA
  • Average rainfall in January: 2.56"

The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is September (2.4").

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Average rainfall days in January
Yorktown, VA

Average rainfall days in January - Yorktown, VA
  • Average rainfall days in January: 10.5 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is November (9.6 days).

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Average snowfall in January
Yorktown, VA

Average snowfall in January - Yorktown, VA
  • Average snowfall in January: 1.14"

The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in January
Yorktown, VA

Average snowfall days in January - Yorktown, VA
  • Average snowfall days in January: 3 days

The month with the highest number of snowfall days is January (3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average sea temperature in January
Yorktown, VA

Average sea temperature in January - Yorktown, VA
  • Average sea temperature in January: 50.8°F

The best month for swimming (with the highest average sea temperature) is August (79.6°F).
The coldest month (with the lowest average sea temperature) is February (48.7°F).

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

Average daylight in January / Average sunshine in January - Yorktown, VA
  • Average daylight in January: 9h and 57min

The month with the longest days is June (Average daylight: 14h and 41min).
The month with the shortest days is December (Average daylight: 9h and 39min).

  • Average sunshine in January: 5h and 30min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

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Average sunshine days in January
Yorktown, VA

Average sunshine days in January - Yorktown, VA
  • Average sunshine days in January: 16.8 days

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (11.5 days).

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Average UV index in January
Yorktown, VA

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

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in January
Yorktown, VA

Average cloud cover in January - Yorktown, 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 28).

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Average visibility in January
Yorktown, VA

Average visibility in January - Yorktown, VA
  • Average visibility in January: 6mi

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

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