December weather forecast
Slate, VA

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Weather in December

December, the first month of the winter in Slate, is still a chilly month, with temperature in the range of an average low of 30.6°F (-0.8°C) and an average high of 44.2°F (6.8°C).

Temperature

The shift from November to December coincides with a small decrease in the average high-temperature, down to a chilly 44.2°F (6.8°C) from a fresh 52.3°F (11.3°C). Slate witnesses an average low-temperature of 30.6°F (-0.8°C) throughout the month of December.

Humidity

In December, the average relative humidity in Slate is 80%.

Rainfall

In Slate, in December, it is raining for 10.2 days, with typically 2.01" (51mm) of accumulated precipitation. In Slate, during the entire year, the rain falls for 155.9 days and collects up to 23.31" (592mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. The month with the most snowfall in Slate is December, when snow falls for 6.8 days and typically aggregates up to 4.65" (118mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 36min of daylight.
On the first day of the month, sunrise is at 7:23 am and sunset at 5:10 pm. On the last day of December, in Slate, sunrise is at 7:41 am and sunset at 5:20 pm EST.

Sunshine

In Slate, Virginia, the average sunshine in December is 4.8h.

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 reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Frequently asked questions

How cold does it get in Slate in December?

The average high-temperature and low-temperature in Slate during December are 44.2°F (6.8°C) and 30.6°F (-0.8°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, is computed to be 87.8°F (31°C).

What is the average humidity in December in Slate?

The average relative humidity in December is 80%.

How many days does it rain in December in Slate?

In Slate, in December, during 10.2 rainfall days, 2.01" (51mm) of precipitation is typically accumulated.

When does it snow the most in Slate?

December is the month with the most snowfall in Slate. Snow falls for 6.8 days and accumulates 4.65" (118mm) of snow.

How many days does it snow in December in Slate?

In December, it is snowing for 6.8 days. Throughout December, 4.65" (118mm) of snow is accumulated.

What is the month with the shortest days in Slate?

The month with the shortest days is December, with an average of 9h and 36min of daylight.

What is the average length of the day in December in Slate?

The average day length in December in Slate, Virginia, is 9h and 38min.

When is the sunrise / sunset in December in Slate?

In December, on the first day of the month, sunrise is at 7:23 am and sunset at 5:10 pm. On the last day of the month, in Slate, Virginia, sunrise is at 7:41 am and sunset at 5:20 pm EST.

How long on average sun shines in December in Slate?

The average sunshine duration in December in Slate, Virginia, is 4.8h.

What is the month with the lowest UV index in Slate?

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

What is the UV index intensity in December in Slate?

In Slate, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat from 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 December
Slate, VA

Average temperature in December - Slate, VA
  • Average high temperature in December: 44.2°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 December: 30.6°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 December
Slate, VA

Average pressure in December - Slate, VA
  • Average pressure in December: 30.14"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 December
Slate, VA

Average wind speed in December - Slate, VA
  • Average wind speed in December: 6.6mph

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 December
Slate, VA

Average humidity in December - Slate, VA
  • Average humidity in December: 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 December
Slate, VA

Average rainfall in December - Slate, VA
  • Average rainfall in December: 2.01"

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 December
Slate, VA

Average rainfall days in December - Slate, VA
  • Average rainfall days in December: 10.2 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 December
Slate, VA

Average snowfall in December - Slate, VA
  • Average snowfall in December: 4.65"

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 December
Slate, VA

Average snowfall days in December - Slate, VA
  • Average snowfall days in December: 6.8 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 December /
Average sunshine in December
Slate, VA

Average daylight in December / Average sunshine in December - Slate, VA
  • Average daylight in December: 9h and 4min

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 December: 4h and 5min

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 December
Slate, VA

Average sunshine days in December - Slate, VA
  • Average sunshine days in December: 16.5 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 December
Slate, VA

Average UV index in December - Slate, VA
  • Average UV index in December: 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 December
Slate, VA

Average cloud cover in December - Slate, VA
  • Average cloud cover in December: 55

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 December
Slate, VA

Average visibility in December - Slate, VA
  • Average visibility in December: 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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Slate, Virginia, USA

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