January weather forecast
Mount Heron, VA

Weather in January

January, like December, in Mount Heron, Virginia, is a wintry winter month, with temperature in the range of an average high of 38.8°F (3.8°C) and an average low of 24.4°F (-4.2°C).

Temperature

With an average high-temperature of 38.8°F (3.8°C) and an average low-temperature of 24.4°F (-4.2°C), January is the coldest month.

Humidity

In January, the average relative humidity is 80%.

Rainfall

In January, the rain falls for 9.3 days. Throughout January, 1.65" (42mm) of precipitation is accumulated. Throughout the year, in Mount Heron, there are 155.9 rainfall days, and 23.31" (592mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Mount Heron are January through May, October through December. In January, it is snowing for 9 days. Throughout January, 3.74" (95mm) of snow is accumulated. In Mount Heron, Virginia, during the entire year, snow falls for 37.2 days and aggregates up to 18.03" (458mm) of snow.

Daylight

In Mount Heron, the average length of the day in January is 9h and 57min.
On the first day of the month, sunrise is at 7:41 am and sunset at 5:21 pm. On the last day of January, sunrise is at 7:31 am and sunset at 5:51 pm EST.

Sunshine

The month with the least sunshine is January, with an average of 4.3h of 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 estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In January, the average maximum UV index of 2 translate 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. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Mount Heron?

The coldest month in Mount Heron, Virginia, is January, with an average high-temperature of 38.8°F (3.8°C) and an average low-temperature of 24.4°F (-4.2°C).

What is the temperature in January in Mount Heron?

The average high-temperature, in January, in Mount Heron, is 38.8°F (3.8°C), while the average low-temperature is 24.4°F (-4.2°C).

What is the average humidity in January in Mount Heron?

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

How much does it rain in Mount Heron in January?

In Mount Heron, Virginia, in January, during 9.3 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.

How much does it snow in Mount Heron in January?

In Mount Heron, in January, during 9 snowfall days, 3.74" (95mm) of snow is typically accumulated.

What is the average length of the day in January in Mount Heron?

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

What time are sunrise and sunset in January in Mount Heron?

On the first day of January in Mount Heron, sunrise is at 7:41 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:51 pm EST.

What is the month with the least sunshine in Mount Heron?

The month with the least sunshine in Mount Heron is January, with an average of 4.3h of sunshine.

How long on average sun shines in January in Mount Heron?

In Mount Heron, the average sunshine duration in January is 4.3h.

What is the month with the lowest UV index in Mount Heron?

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

What is the UV index reading in January in Mount Heron?

In Mount Heron, Virginia, the average daily maximum UV index in January is 2. A UV Index value 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Mount Heron, VA

Average temperature in January - Mount Heron, VA
  • Average high temperature in January: 38.8°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in January: 24.4°F

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).

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Average pressure in January
Mount Heron, VA

Average pressure in January - Mount Heron, 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).

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Average wind speed in January
Mount Heron, VA

Average wind speed in January - Mount Heron, VA
  • Average wind speed in January: 7.3mph

The windiest months (with the highest average wind speed) are January, February and April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in January
Mount Heron, VA

Average humidity in January - Mount Heron, VA
  • Average humidity in January: 80%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is November (76%).

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Average rainfall in January
Mount Heron, VA

Average rainfall in January - Mount Heron, VA
  • Average rainfall in January: 1.65"

The wettest month (with the highest rainfall) is February (2.72").
The driest month (with the least rainfall) is September (1.14").

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Average rainfall days in January
Mount Heron, VA

Average rainfall days in January - Mount Heron, VA
  • Average rainfall days in January: 9.3 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall in January
Mount Heron, VA

Average snowfall in January - Mount Heron, VA
  • Average snowfall in January: 3.74"

The month with the highest snowfall is December (4.65").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Mount Heron, VA

Average snowfall days in January - Mount Heron, VA
  • Average snowfall days in January: 9 days

The month with the highest number of snowfall days is February (9.5 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
Mount Heron, VA

Average daylight in January / Average sunshine in January - Mount Heron, 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 40min).

  • Average sunshine in January: 4h and 18min

The months with the most sunshine are June, July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

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Average sunshine days in January
Mount Heron, VA

Average sunshine days in January - Mount Heron, VA
  • Average sunshine days in January: 14.6 days

The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is May (10.3 days).

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Average UV index in January
Mount Heron, VA

Average UV index in January - Mount Heron, VA
  • Average UV index in January: 2

The months with the highest UV index are May, June, July and August (UV index 5).
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
Mount Heron, VA

Average cloud cover in January - Mount Heron, VA
  • Average cloud cover in January: 59

The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 37).

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Average visibility in January
Mount Heron, VA

Average visibility in January - Mount Heron, VA
  • Average visibility in January: 5mi

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

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