January weather forecast
Round Hill, VA

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Weather in January

January, the same as December, is another cold winter month in Round Hill, Virginia, with an average temperature fluctuating between 24.8°F (-4°C) and 38.7°F (3.7°C).

Temperature

In Round Hill, Virginia, the lowest average temperatures are observed in January, with a high of 38.7°F (3.7°C) and a low of 24.8°F (-4°C).

Humidity

In January, the average relative humidity in Round Hill is 75%.

Rainfall

In Round Hill, in January, it is raining for 10.1 days, with typically 2.13" (54mm) of accumulated precipitation. In Round Hill, during the entire year, the rain falls for 162.2 days and collects up to 31.1" (790mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. January is the month with the most snowfall in Round Hill. Snow falls for 6.8 days and accumulates 4.17" (106mm) of snow.

Daylight

In Round Hill, the average length of the day in January is 9h and 47min.
On the first day of the month, sunrise is at 7:30 am and sunset at 4:58 pm. On the last day of January, sunrise is at 7:18 am and sunset at 5:30 pm EST.

Sunshine

January and December, with an average of 5.1h of sunshine, are months with the least sunshine.

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 value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 2 during January leads to these advisories:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Frequently asked questions

What is the coldest time of year in Round Hill?

January brings the lowest temperatures in Round Hill, Virginia, with an average high of 38.7°F (3.7°C) and an average low of 24.8°F (-4°C).

Is January cold in Round Hill?

The average high-temperature and low-temperature during January are 38.7°F (3.7°C) and 24.8°F (-4°C) respectively.

What is the average humidity in January in Round Hill?

In January, the average relative humidity in Round Hill, Virginia, is 75%.

How many days does it rain in January in Round Hill?

In Round Hill, in January, it is raining for 10.1 days, with typically 2.13" (54mm) of accumulated precipitation.

What is the snowiest month in Round Hill?

The month with the most snowfall in Round Hill is January, when snow falls for 6.8 days and typically aggregates up to 4.17" (106mm) of snow.

How many days does it snow in January in Round Hill?

In Round Hill, in January, snow falls for 6.8 days, with typically accumulated 4.17" (106mm) of snow.

How many hours of daylight does Round Hill have in January?

The average day length in January is 9h and 47min.

What time are sunrise and sunset in January in Round Hill?

On the first day of January in Round Hill, Virginia, sunrise is at 7:30 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:30 pm EST.

What is the month with the least sunshine in Round Hill?

January and December, with an average of 5.1h of sunshine, are months with the least sunshine in Round Hill, Virginia.

How many hours of sunshine does Round Hill have in January?

In Round Hill, the average sunshine duration in January is 5.1h.

What is the month with the lowest UV index in Round Hill?

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 intensity in January in Round Hill?

The average daily maximum UV index in January in Round Hill, Virginia, is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to UV radiation.
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
Round Hill, VA

Average temperature in January - Round Hill, VA
  • Average high temperature in January: 38.7°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in January: 24.8°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

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Average pressure in January
Round Hill, VA

Average pressure in January - Round Hill, 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
Round Hill, VA

Average wind speed in January - Round Hill, VA
  • Average wind speed in January: 7.1mph

The windiest month (with the highest average wind speed) is March (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

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Average humidity in January
Round Hill, VA

Average humidity in January - Round Hill, VA
  • Average humidity in January: 75%

The months with the highest relative humidity are October and December (78%).
The month with the lowest relative humidity is July (73%).

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Average rainfall in January
Round Hill, VA

Average rainfall in January - Round Hill, VA
  • Average rainfall in January: 2.13"

The wettest months (with the highest rainfall) are May and August (3.35").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in January
Round Hill, VA

Average rainfall days in January - Round Hill, VA
  • Average rainfall days in January: 10.1 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (10.1 days).

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Average snowfall in January
Round Hill, VA

Average snowfall in January - Round Hill, VA
  • Average snowfall in January: 4.17"

The month with the highest snowfall is January (4.17").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Round Hill, VA

Average snowfall days in January - Round Hill, VA
  • Average snowfall days in January: 6.8 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Round Hill, VA

Average daylight in January / Average sunshine in January - Round Hill, VA
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in January: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).

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Average sunshine days in January
Round Hill, VA

Average sunshine days in January - Round Hill, VA
  • Average sunshine days in January: 15.7 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (11.1 days).

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Average UV index in January
Round Hill, VA

Average UV index in January - Round Hill, 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
Round Hill, VA

Average cloud cover in January - Round Hill, VA
  • Average cloud cover in January: 45

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in January
Round Hill, VA

Average visibility in January - Round Hill, VA
  • Average visibility in January: 5mi

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

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Round Hill, Virginia, USA

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