December weather forecast
Hermitage, TN

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Weather in December

The first month of the winter, December, is also a frosty month in Hermitage, Tennessee, with an average temperature fluctuating between 48.9°F (9.4°C) and 35.6°F (2°C).

Temperature

The shift from November to December coincides with a small decrease in the average high-temperature, down to a chilly 48.9°F (9.4°C) from a mild 57.4°F (14.1°C). Nighttime temperatures in December average to an icy 35.6°F (2°C) in Hermitage.

Humidity

With an average relative humidity of 78%, December is the most humid month in Hermitage.

Rainfall

In Hermitage, in December, during 11.8 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. In Hermitage, during the entire year, the rain falls for 169.9 days and collects up to 31.3" (795mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In December, it is snowing for 3 days. Throughout December, 0.35" (9mm) of snow is accumulated. Throughout the year, there are 14.6 snowfall days, and 2.99" (76mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 42min of daylight.
On the first day of the month, sunrise is at 6:39 am and sunset at 4:31 pm. On the last day of December, sunrise is at 6:57 am and sunset at 4:42 pm CST.

Sunshine

The average sunshine in December in Hermitage is 4.7h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.
Note: In December, a regular UV index of 2 translates into these guidelines:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
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Frequently asked questions

What are the temperatures in Hermitage in December?

December temperatures in Hermitage vary between a high-temperature of 48.9°F (9.4°C) and a low-temperature of 35.6°F (2°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in September is calculated to be 86°F (30°C).

What is the most humid month in Hermitage?

The most humid month in Hermitage, Tennessee, is December, with an average relative humidity of 78%.

What is the average humidity in December in Hermitage?

In Hermitage, Tennessee, the average relative humidity in December is 78%.

How many days does it rain in December in Hermitage?

In Hermitage, Tennessee, during December, the rain falls for 11.8 days and regularly aggregates up to 2.28" (58mm) of precipitation.

How much does it snow in Hermitage in December?

In Hermitage, during December, snow falls for 3 days and regularly aggregates up to 0.35" (9mm) of snow.

What is the month with the shortest days in Hermitage?

With an average of 9h and 42min of daylight, December has the shortest days of the year.

How many hours of daylight does Hermitage have in December?

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

When are sunrise and sunset in December in Hermitage?

In December, on the first day of the month, sunrise is at 6:39 am and sunset at 4:31 pm. On the last day of the month, in Hermitage, Tennessee, sunrise is at 6:57 am and sunset at 4:42 pm CST.

How many hours of sunshine does Hermitage have in December?

In December, the average sunshine duration in Hermitage, Tennessee, is 4.7h.

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

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

How high is the UV index in December in Hermitage?

In December, the average daily maximum UV index in Hermitage is 2. A UV Index estimate 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
Hermitage, TN

Average temperature in December - Hermitage, TN
  • Average high temperature in December: 48.9°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (44.1°F).

  • Average low temperature in December: 35.6°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

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Average pressure in December
Hermitage, TN

Average pressure in December - Hermitage, 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 (29.97"Hg).

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Average wind speed in December
Hermitage, TN

Average wind speed in December - Hermitage, TN
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).

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Average humidity in December
Hermitage, TN

Average humidity in December - Hermitage, TN
  • Average humidity in December: 78%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in December
Hermitage, TN

Average rainfall in December - Hermitage, TN
  • Average rainfall in December: 2.28"

The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is November (1.77").

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Average rainfall days in December
Hermitage, TN

Average rainfall days in December - Hermitage, TN
  • Average rainfall days in December: 11.8 days

The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is November (9.7 days).

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Average snowfall in December
Hermitage, TN

Average snowfall in December - Hermitage, TN
  • Average snowfall in December: 0.35"

The month with the highest snowfall is January (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Hermitage, TN

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

The month with the highest number of snowfall days is January (4.7 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
Hermitage, TN

Average daylight in December / Average sunshine in December - Hermitage, 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 4min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

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Average sunshine days in December
Hermitage, TN

Average sunshine days in December - Hermitage, TN
  • Average sunshine days in December: 16.2 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (9.4 days).

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Average UV index in December
Hermitage, TN

Average UV index in December - Hermitage, 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
Hermitage, TN

Average cloud cover in December - Hermitage, TN
  • Average cloud cover in December: 51

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

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Average visibility in December
Hermitage, TN

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

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

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Hermitage, Tennessee, USA

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