December weather forecast
Barthelia, TN

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Weather in December

December, the first month of the winter in Barthelia, is also a frosty month, with temperature in the range of an average low of 35.1°F (1.7°C) and an average high of 47.8°F (8.8°C).

Temperature

The onset of December brings a small shift in high-temperatures, falling from a moderate 56.3°F (13.5°C) in November to a frosty 47.8°F (8.8°C). An average low-temperature of 35.1°F (1.7°C) is expected in Barthelia during December.

Humidity

February, March, May and December, with an average relative humidity of 79%, are the most humid months.

Rainfall

In Barthelia, in December, it is raining for 13.4 days, with typically 2.83" (72mm) of accumulated precipitation. In Barthelia, during the entire year, the rain falls for 178.1 days and collects up to 37.99" (965mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In December, it is snowing for 3.1 days. Throughout December, 0.59" (15mm) of snow is accumulated. Throughout the year, there are 17.2 snowfall days, and 4.25" (108mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 42min of daylight.
On the first day of the month, sunrise is at 6:38 am and sunset at 4:30 pm. On the last day of December, sunrise is at 6:56 am and sunset at 4:40 pm CST.

Sunshine

In December, the average sunshine is 4.5h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Barthelia. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 2 suggests this advice:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Frequently asked questions

What is the usual temperature for Barthelia in December?

In Barthelia, in December, the average high-temperature is 47.8°F (8.8°C), and the average low-temperature is 35.1°F (1.7°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is estimated at 96.8°F (36°C).

What is the most humid month in Barthelia?

The months with the highest humidity are February, March, May and December, with an average relative humidity of 79%.

What is the average humidity in December in Barthelia?

In December, the average relative humidity in Barthelia is 79%.

How much does it rain in Barthelia in December?

In Barthelia, Tennessee, in December, it is raining for 13.4 days, with typically 2.83" (72mm) of accumulated precipitation.

How much does it snow in Barthelia in December?

In December, in Barthelia, Tennessee, it is snowing for 3.1 days. Throughout December, 0.59" (15mm) of snow is accumulated.

What is the month with the shortest days in Barthelia?

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

How many hours of daylight does Barthelia have in December?

In December, the average day length in Barthelia is 9h and 44min.

When is the sunrise / sunset in December in Barthelia?

On the first day of December, sunrise is at 6:38 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:40 pm CST.

How many hours of sunshine does Barthelia have in December?

In December, the average sunshine duration is 4.5h.

When is the lowest UV index in Barthelia?

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

How high is the UV index in December in Barthelia?

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

Average temperature in December - Barthelia, TN
  • Average high temperature in December: 47.8°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (43.7°F).

  • Average low temperature in December: 35.1°F

The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

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Average pressure in December
Barthelia, TN

Average pressure in December - Barthelia, TN
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in December
Barthelia, TN

Average wind speed in December - Barthelia, TN
  • Average wind speed in December: 7.1mph

The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

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Average humidity in December
Barthelia, TN

Average humidity in December - Barthelia, TN
  • Average humidity in December: 79%

The months with the highest relative humidity are February, March, May and December (79%).
The months with the lowest relative humidity are October and November (75%).

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Average rainfall in December
Barthelia, TN

Average rainfall in December - Barthelia, TN
  • Average rainfall in December: 2.83"

The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days in December
Barthelia, TN

Average rainfall days in December - Barthelia, TN
  • Average rainfall days in December: 13.4 days

The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (9.7 days).

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Average snowfall in December
Barthelia, TN

Average snowfall in December - Barthelia, TN
  • Average snowfall in December: 0.59"

The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Barthelia, TN

Average snowfall days in December - Barthelia, TN
  • Average snowfall days in December: 3.1 days

The month with the highest number of snowfall days is January (5.4 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
Barthelia, TN

Average daylight in December / Average sunshine in December - Barthelia, 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: 4h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

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Average sunshine days in December
Barthelia, TN

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

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (9.3 days).

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Average UV index in December
Barthelia, TN

Average UV index in December - Barthelia, 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
Barthelia, TN

Average cloud cover in December - Barthelia, TN
  • Average cloud cover in December: 53

The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 31).

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Average visibility in December
Barthelia, TN

Average visibility in December - Barthelia, TN
  • Average visibility in December: 6mi

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

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Barthelia, Tennessee, USA

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