January weather forecast
Gwynn, VA

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Weather in January

January, like December, is another chilly winter month in Gwynn, Virginia, with an average temperature varying between 45.1°F (7.3°C) and 32.5°F (0.3°C).

Temperature

Gwynn experiences its lowest temperatures in January, with an average peak of 45.1°F (7.3°C) and a low of 32.5°F (0.3°C).

Humidity

The average relative humidity in January in Gwynn is 74%.

Rainfall

In Gwynn, in January, it is raining for 10.5 days, with typically 2.56" (65mm) of accumulated precipitation. Throughout the year, in Gwynn, Virginia, there are 165.3 rainfall days, and 34.25" (870mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In Gwynn, Virginia, in January, snow falls for 3 days, with typically accumulated 1.14" (29mm) of snow. In Gwynn, during the entire year, snow falls for 8.3 days and aggregates up to 4.13" (105mm) of snow.

Daylight

In Gwynn, the average length of the day in January is 9h and 55min.
On the first day of the month, sunrise is at 7:19 am and sunset at 4:57 pm. On the last day of January, sunrise is at 7:09 am and sunset at 5:27 pm EST.

Sunshine

In Gwynn, the average sunshine in January is 5.5h.

UV index

The months with the lowest UV index in Gwynn are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 2 in January interprets into the following advice:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Frequently asked questions

What is the coldest time of year in Gwynn?

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

What is the average January temperature in Gwynn?

The average high-temperature, in January, in Gwynn, is 45.1°F (7.3°C), while the average low-temperature is 32.5°F (0.3°C).

What is the average humidity in January in Gwynn?

The average relative humidity in January in Gwynn, Virginia, is 74%.

How much does it rain in Gwynn in January?

In January, in Gwynn, the rain falls for 10.5 days. Throughout January, 2.56" (65mm) of precipitation is accumulated.

How much does it snow in Gwynn in January?

In Gwynn, in January, snow falls for 3 days, with typically accumulated 1.14" (29mm) of snow.

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

In January, the average day length in Gwynn is 9h and 55min.

When is the sunrise / sunset in January in Gwynn?

In January, on the first day of the month, sunrise is at 7:19 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:27 pm EST.

How long on average sun shines in January in Gwynn?

The average sunshine duration in January is 5.5h.

When is the lowest UV index in Gwynn?

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

How high is the UV index in January in Gwynn?

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
Gwynn, VA

Average temperature in January - Gwynn, 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
Gwynn, VA

Average pressure in January - Gwynn, 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
Gwynn, VA

Average wind speed in January - Gwynn, 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
Gwynn, VA

Average humidity in January - Gwynn, 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
Gwynn, VA

Average rainfall in January - Gwynn, 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
Gwynn, VA

Average rainfall days in January - Gwynn, 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
Gwynn, VA

Average snowfall in January - Gwynn, 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
Gwynn, VA

Average snowfall days in January - Gwynn, 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 daylight in January /
Average sunshine in January
Gwynn, VA

Average daylight in January / Average sunshine in January - Gwynn, 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 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

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Average sunshine days in January
Gwynn, VA

Average sunshine days in January - Gwynn, 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
Gwynn, VA

Average UV index in January - Gwynn, 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
Gwynn, VA

Average cloud cover in January - Gwynn, 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
Gwynn, VA

Average visibility in January - Gwynn, 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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Gwynn, Virginia, USA

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