January weather forecastFort Defiance, VA

January

Weather in January

January, like December, in Fort Defiance, Virginia, is an icy winter month, with an average temperature varying between 39°F (3.9°C) and 23.7°F (-4.6°C).

Temperature

January proves to be the coldest month, recording an average maximum temperature of 39°F (3.9°C) and a minimum temperature of 23.7°F (-4.6°C).

Humidity

The least humid month is January, with an average relative humidity of 74%.

Rainfall

The month with the least rainfall is January, when the rain falls for 7.7 days and typically collects 1.18" (30mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Fort Defiance, in January, during 4.3 snowfall days, 2.91" (74mm) of snow is typically accumulated. In Fort Defiance, during the entire year, snow falls for 17.7 days and aggregates up to 14.41" (366mm) of snow.

Daylight

In January, the average length of the day is 9h and 52min.
On the first day of the month, sunrise is at 7:32 am and sunset at 5:06 pm. On the last day of January, sunrise is at 7:21 am and sunset at 5:36 pm EST.

Sunshine

In Fort Defiance, the average sunshine in January is 5.4h.

UV index

January, February, November 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 low threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 2 in January converts into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Around midday, solar radiation is most harmful; hence, exposure should be limited. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.

Frequently asked questions

Fort Defiance's coldest weather arrives in January, when temperatures average a high of 39°F (3.9°C) and a low of 23.7°F (-4.6°C).

In January, the average high-temperature and low-temperature are 39°F (3.9°C) and 23.7°F (-4.6°C) respectively.

The least humid month is January, with an average relative humidity of 74%.

The average relative humidity in January is 74%.

The month with the least rainfall is January, when the rain falls for 7.7 days and typically collects 1.18" (30mm) of precipitation.

In Fort Defiance, during January, the rain falls for 7.7 days and regularly aggregates up to 1.18" (30mm) of precipitation.

In January, it is snowing for 4.3 days. Throughout January, 2.91" (74mm) of snow is accumulated.

In January, the average day length is 9h and 52min.

On the first day of January, sunrise is at 7:32 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:36 pm EST.

In January, the average sunshine duration is 5.4h.

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

The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Fort Defiance, VA

  • Average high temperature in January: 39°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in January: 23.7°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

Average pressure in January
Fort Defiance, VA

  • Average pressure in January: 30.12"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in January
Fort Defiance, VA

  • Average wind speed in January: 6.6mph

The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in January
Fort Defiance, VA

  • Average humidity in January: 74%

The month with the highest relative humidity is September (79%).
The month with the lowest relative humidity is January (74%).

Average rainfall in January
Fort Defiance, VA

  • Average rainfall in January: 1.18"

The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is January (1.18").

Average rainfall days in January
Fort Defiance, VA

  • Average rainfall days in January: 7.7 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (7.5 days).

Average snowfall in January
Fort Defiance, VA

  • Average snowfall in January: 2.91"

The month with the highest snowfall is March (4.25").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Fort Defiance, VA

  • Average snowfall days in January: 4.3 days

The month with the highest number of snowfall days is February (5.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Fort Defiance, VA

  • Average daylight in January: 9h and 54min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in January: 5h and 24min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in January
Fort Defiance, VA

  • Average sunshine days in January: 20.4 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in January
Fort Defiance, VA

  • Average UV index in January: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in January
Fort Defiance, VA

  • Average cloud cover in January: 43

The month with the most cloud cover is March (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 32).

Average visibility in January
Fort Defiance, VA

  • Average visibility in January: 5mi

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