December weather forecast
Stanley, TN

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Weather in December

The first month of the winter, December, is still a chilly month in Stanley, Tennessee, with an average temperature varying between 35.8°F (2.1°C) and 49.3°F (9.6°C).

Temperature

With the onset of December, Stanley's average high-temperature slightly adjusts, moderately receding from November's mild 57°F (13.9°C) to a frosty 49.3°F (9.6°C). December brings Stanley a consistent average low-temperature of 35.8°F (2.1°C).

Humidity

The most humid month is December, with an average relative humidity of 81%.

Rainfall

The month with the most rainfall in Stanley is December, when the rain falls for 14.5 days and typically aggregates up to 4.53" (115mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Stanley, Tennessee, during December, snow falls for 3 days and regularly aggregates up to 1.06" (27mm) of snow. Throughout the year, in Stanley, there are 17.1 snowfall days, and 5.08" (129mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 48min of daylight.
On the first day of December in Stanley, sunrise is at 6:32 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 4:40 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 4.9h of sunshine.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. To guard against the harmful effects of the Sun, minimize exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

What are the temperatures in Stanley in December?

The high-temperature, in December, in Stanley, records 49.3°F (9.6°C), while the low-temperature is 35.8°F (2.1°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in September is estimated at 86°F (30°C).

What is the most humid month in Stanley?

The most humid month in Stanley, Tennessee, is December, with an average relative humidity of 81%.

What is the average humidity in December in Stanley?

In December, the average relative humidity is 81%.

What is the wettest month in Stanley?

The month with the most rainfall in Stanley, Tennessee, is December, when the rain falls for 14.5 days and typically aggregates up to 4.53" (115mm) of precipitation.

How much does it rain in Stanley in December?

In December, in Stanley, the rain falls for 14.5 days. Throughout December, 4.53" (115mm) of precipitation is accumulated.

How much does it snow in Stanley in December?

In Stanley, Tennessee, in December, snow falls for 3 days, with typically accumulated 1.06" (27mm) of snow.

What is the month with the shortest days in Stanley?

December has the shortest days of the year in Stanley, with an average of 9h and 48min of daylight.

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

The average day length in December is 9h and 50min.

When is the sunrise / sunset in December in Stanley?

On the first day of December, sunrise is at 6:32 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 4:40 pm CST.

What is the month with the least sunshine in Stanley?

December has the least sunshine of the year, with an average of 4.9h of sunshine.

How many hours of sunshine does Stanley have in December?

The average sunshine duration in December in Stanley is 4.9h.

When is the lowest UV index in Stanley?

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

What is the UV index intensity in December in Stanley?

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

Average temperature in December - Stanley, TN
  • Average high temperature in December: 49.3°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in December: 35.8°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

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Average pressure in December
Stanley, TN

Average pressure in December - Stanley, TN
  • Average pressure in December: 30.15"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in December
Stanley, TN

Average wind speed in December - Stanley, TN
  • Average wind speed in December: 5.8mph

The windiest month (with the highest average wind speed) is February (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

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Average humidity in December
Stanley, TN

Average humidity in December - Stanley, TN
  • Average humidity in December: 81%

The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are June, July, August, September, October and November (76%).

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Average rainfall in December
Stanley, TN

Average rainfall in December - Stanley, TN
  • Average rainfall in December: 4.53"

The wettest month (with the highest rainfall) is December (4.53").
The driest month (with the least rainfall) is September (2.76").

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Average rainfall days in December
Stanley, TN

Average rainfall days in December - Stanley, TN
  • Average rainfall days in December: 14.5 days

The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (10.5 days).

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Average snowfall in December
Stanley, TN

Average snowfall in December - Stanley, TN
  • Average snowfall in December: 1.06"

The month with the highest snowfall is February (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Stanley, TN

Average snowfall days in December - Stanley, TN
  • Average snowfall days in December: 3 days

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Stanley, TN

Average daylight in December / Average sunshine in December - Stanley, TN
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

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Average sunshine days in December
Stanley, TN

Average sunshine days in December - Stanley, TN
  • Average sunshine days in December: 14.8 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (7.7 days).

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Average UV index in December
Stanley, TN

Average UV index in December - Stanley, TN
  • Average UV index in December: 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 and December (UV index 2).

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Average cloud cover in December
Stanley, TN

Average cloud cover in December - Stanley, TN
  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 31).

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Average visibility in December
Stanley, TN

Average visibility in December - Stanley, TN
  • Average visibility in December: 5mi

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

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Stanley, Tennessee, USA

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