December weather forecast
Blair Gap, TN

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Weather in December

December, the first month of the winter in Blair Gap, is also a frosty month, with an average temperature fluctuating between 47.3°F (8.5°C) and 33.3°F (0.7°C).

Temperature

As November transitions into December, Blair Gap sees a gentle drop in the average high-temperature, transitioning from a mild 55.6°F (13.1°C) to a frosty 47.3°F (8.5°C). Throughout December nights, Blair Gap registers an average low-temperature of 33.3°F (0.7°C).

Humidity

The months with the highest humidity in Blair Gap are February and December, with an average relative humidity of 79%.

Rainfall

In Blair Gap, Tennessee, in December, during 11.5 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. Throughout the year, there are 147.7 rainfall days, and 23.94" (608mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Blair Gap. In Blair Gap, during December, snow falls for 3 days and regularly aggregates up to 0.98" (25mm) of snow. In Blair Gap, during the entire year, snow falls for 18.6 days and aggregates up to 5.12" (130mm) of snow.

Daylight

The month with the shortest days in Blair Gap is December, with an average of 9h and 42min of daylight.
On the first day of December, sunrise is at 7:24 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:25 pm EST.

Sunshine

In Blair Gap, the average sunshine in December is 5.2h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Blair Gap. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 2 in December translates into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December in Blair Gap?

In Blair Gap, 47.3°F (8.5°C) is the average high-temperature and 33.3°F (0.7°C) is the average low-temperature during December. The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is estimated at 95°F (35°C).

What are the most humid months in Blair Gap?

The months with the highest humidity in Blair Gap are February and December, with an average relative humidity of 79%.

What is the average humidity in December in Blair Gap?

In December, the average relative humidity is 79%.

How much does it rain in Blair Gap in December?

In Blair Gap, Tennessee, in December, it is raining for 11.5 days, with typically 2.17" (55mm) of accumulated precipitation.

How many days does it snow in December in Blair Gap?

In Blair Gap, Tennessee, in December, snow falls for 3 days, with typically accumulated 0.98" (25mm) of snow.

What is the month with the shortest days in Blair Gap?

The month with the shortest days in Blair Gap is December, with an average of 9h and 42min of daylight.

What is the average length of the day in December in Blair Gap?

The average day length in December is 9h and 43min.

When are sunrise and sunset in December in Blair Gap?

On the first day of December, sunrise is at 7:24 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:25 pm EST.

How many hours of sunshine does Blair Gap have in December?

The average sunshine duration in December in Blair Gap is 5.2h.

What are the months with the lowest UV index in Blair Gap?

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 Blair Gap?

In December, the average daily maximum UV index in Blair Gap, Tennessee, is 2. A UV Index value of 2, and less, symbolizes 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
Blair Gap, TN

Average temperature in December - Blair Gap, TN
  • Average high temperature in December: 47.3°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (42.4°F).

  • Average low temperature in December: 33.3°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

Average pressure in December
Blair Gap, TN

Average pressure in December - Blair Gap, TN
  • 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).

Average wind speed in December
Blair Gap, TN

Average wind speed in December - Blair Gap, TN
  • Average wind speed in December: 5.5mph

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

Average humidity in December
Blair Gap, TN

Average humidity in December - Blair Gap, TN
  • Average humidity in December: 79%

The months with the highest relative humidity are February and December (79%).
The months with the lowest relative humidity are July and August (74%).

Average rainfall in December
Blair Gap, TN

Average rainfall in December - Blair Gap, TN
  • Average rainfall in December: 2.17"

The wettest month (with the highest rainfall) is February (3.15").
The driest month (with the least rainfall) is September (1.02").

Average rainfall days in December
Blair Gap, TN

Average rainfall days in December - Blair Gap, TN
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in December
Blair Gap, TN

Average snowfall in December - Blair Gap, TN
  • Average snowfall in December: 0.98"

The months with the highest snowfall are January and February (1.65").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Blair Gap, TN

Average snowfall days in December - Blair Gap, TN
  • Average snowfall days in December: 3 days

The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Blair Gap, TN

Average daylight in December / Average sunshine in December - Blair Gap, TN
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 5h and 1min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in December
Blair Gap, TN

Average sunshine days in December - Blair Gap, TN
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is June (12.8 days).

Average UV index in December
Blair Gap, TN

Average UV index in December - Blair Gap, 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).

Average cloud cover in December
Blair Gap, TN

Average cloud cover in December - Blair Gap, TN
  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in December
Blair Gap, TN

Average visibility in December - Blair Gap, TN
  • Average visibility in December: 6mi

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

Blair Gap, Tennessee, USA

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