January weather forecast
Winchester, VA

Weather in January

January, like December, in W"ter, Virginia, is another cold winter month, with an average temperature ranging between min 23.5°F (-4.7°C) and max 37.9°F (3.3°C).

Temperature

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

Humidity

The average relative humidity in January in W"ter 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

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

Daylight

In January, the average length of the day is 9h and 47min.
On the first day of the month, sunrise is at 7:32 am and sunset at 5:00 pm. On the last day of January, sunrise is at 7:20 am and sunset at 5:31 pm EST.

Sunshine

With an average of 5.1h of sunshine, January has the least sunshine of the year in W"ter.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in W"ter. A UV Index estimate of 2, and below, represents a minimal health hazard 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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 W"ter?

The coldest month in W"ter is January, with an average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 23.5°F (-4.7°C).

What is the temperature in January in W"ter?

In W"ter, Virginia, in January, the average high-temperature is 37.9°F (3.3°C), and the average low-temperature is 23.5°F (-4.7°C).

What is the average humidity in January in W"ter?

In W"ter, the average relative humidity in January is 75%.

What is the driest month in W"ter?

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

How much does it rain in W"ter in January?

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

How many days does it snow in January in W"ter?

In W"ter, Virginia, in January, snow falls for 8.7 days, with typically accumulated 4.17" (106mm) of snow.

How many hours of daylight does W"ter have in January?

The average day length in January in W"ter, Virginia, is 9h and 47min.

When are sunrise and sunset in January in W"ter?

On the first day of January in W"ter, Virginia, sunrise is at 7:32 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:31 pm EST.

What is the month with the least sunshine in W"ter?

With an average of 5.1h of sunshine, January has the least sunshine of the year in W"ter.

How many hours of sunshine does W"ter have in January?

The average sunshine duration in January in W"ter is 5.1h.

What is the month with the lowest UV index in W"ter?

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

What is the UV index intensity in January in W"ter?

In January, the average daily maximum UV index in W"ter is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Winchester, VA

Average temperature in January - Winchester, 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).

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Average pressure in January
Winchester, VA

Average pressure in January - Winchester, 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).

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Average wind speed in January
Winchester, VA

Average wind speed in January - Winchester, 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).

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Average humidity in January
Winchester, VA

Average humidity in January - Winchester, 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%).

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Average rainfall in January
Winchester, VA

Average rainfall in January - Winchester, 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").

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Average rainfall days in January
Winchester, VA

Average rainfall days in January - Winchester, 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).

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Average snowfall in January
Winchester, VA

Average snowfall in January - Winchester, 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").

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Average snowfall days in January
Winchester, VA

Average snowfall days in January - Winchester, 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).

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

Average daylight in January / Average sunshine in January - Winchester, VA
  • Average daylight in January: 9h and 47min

The month with the longest days is June (Average daylight: 14h and 53min).
The month with the shortest days is December (Average daylight: 9h and 28min).

  • 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).

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Average sunshine days in January
Winchester, VA

Average sunshine days in January - Winchester, 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).

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Average UV index in January
Winchester, VA

Average UV index in January - Winchester, 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).

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Average cloud cover in January
Winchester, VA

Average cloud cover in January - Winchester, 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).

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Average visibility in January
Winchester, VA

Average visibility in January - Winchester, 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).

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