December weather forecast
Ryall Springs, TN

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Weather in December

The first month of the winter, December, is still a cool month in Ryall Springs, Tennessee, with an average temperature varying between 50.7°F (10.4°C) and 36.5°F (2.5°C).

Temperature

December's arrival signals a moderate reduction in the average high-temperature, easing from a moderate 58.8°F (14.9°C) in November to a fresh 50.7°F (10.4°C). Throughout the month of December, Ryall Springs sees a steady low-temperature average of 36.5°F (2.5°C).

Humidity

December is the most humid month in Ryall Springs, with an average relative humidity of 80%.

Rainfall

December is the month with the most rainfall. Rain falls for 13.5 days and accumulates 4.21" (107mm) of precipitation.

Snowfall

Months with snowfall in Ryall Springs are January through April, November and December. In Ryall Springs, in December, during 1.6 snowfall days, 0.31" (8mm) of snow is typically accumulated. In Ryall Springs, during the entire year, snow falls for 9.2 days and aggregates up to 2.09" (53mm) of snow.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year in Ryall Springs.
On the first day of December, sunrise is at 7:30 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:39 pm EST.

Sunshine

With an average of 5h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index in Ryall Springs are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 2 during December translates into the following directions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
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Frequently asked questions

What is the temperature in December in Ryall Springs?

The average high-temperature, in December, in Ryall Springs, is 50.7°F (10.4°C), while the average low-temperature is 36.5°F (2.5°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, is computed to be 87.8°F (31°C).

What is the most humid month in Ryall Springs?

December is the most humid month in Ryall Springs, Tennessee, with an average relative humidity of 80%.

What is the average humidity in December in Ryall Springs?

The average relative humidity in December is 80%.

What is the wettest month in Ryall Springs?

December is the month with the most rainfall. Rain falls for 13.5 days and accumulates 4.21" (107mm) of precipitation.

How much does it rain in Ryall Springs in December?

In Ryall Springs, Tennessee, in December, it is raining for 13.5 days, with typically 4.21" (107mm) of accumulated precipitation.

How many days does it snow in December in Ryall Springs?

In Ryall Springs, Tennessee, in December, during 1.6 snowfall days, 0.31" (8mm) of snow is typically accumulated.

What is the month with the shortest days in Ryall Springs?

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

What is the average length of the day in December in Ryall Springs?

In December, the average day length in Ryall Springs is 9h and 51min.

When are sunrise and sunset in December in Ryall Springs?

On the first day of December, sunrise is at 7:30 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:39 pm EST.

What is the month with the least sunshine in Ryall Springs?

With an average of 5h of sunshine, December has the least sunshine of the year in Ryall Springs.

How many hours of sunshine does Ryall Springs have in December?

In Ryall Springs, Tennessee, the average sunshine duration in December is 5h.

What is the month with the lowest UV index in Ryall Springs?

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Ryall Springs, Tennessee.

What is the UV index reading in December in Ryall Springs?

In Ryall Springs, 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
Ryall Springs, TN

Average temperature in December - Ryall Springs, TN
  • Average high temperature in December: 50.7°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (46.9°F).

  • Average low temperature in December: 36.5°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

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Average pressure in December
Ryall Springs, TN

Average pressure in December - Ryall Springs, 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
Ryall Springs, TN

Average wind speed in December - Ryall Springs, TN
  • Average wind speed in December: 6mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (3.9mph).

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Average humidity in December
Ryall Springs, TN

Average humidity in December - Ryall Springs, TN
  • Average humidity in December: 80%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in December
Ryall Springs, TN

Average rainfall in December - Ryall Springs, TN
  • Average rainfall in December: 4.21"

The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is September (2.48").

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Average rainfall days in December
Ryall Springs, TN

Average rainfall days in December - Ryall Springs, TN
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is November (9.5 days).

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Average snowfall in December
Ryall Springs, TN

Average snowfall in December - Ryall Springs, TN
  • Average snowfall in December: 0.31"

The month with the highest snowfall is February (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
Ryall Springs, TN

Average snowfall days in December - Ryall Springs, TN
  • Average snowfall days in December: 1.6 days

The month with the highest number of snowfall days is January (2.9 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
Ryall Springs, TN

Average daylight in December / Average sunshine in December - Ryall Springs, 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: 5h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days in December
Ryall Springs, TN

Average sunshine days in December - Ryall Springs, TN
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (9 days).

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Average UV index in December
Ryall Springs, TN

Average UV index in December - Ryall Springs, 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 and December (UV index 2).

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Average cloud cover in December
Ryall Springs, TN

Average cloud cover in December - Ryall Springs, TN
  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in December
Ryall Springs, TN

Average visibility in December - Ryall Springs, TN
  • Average visibility in December: 5mi

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

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Ryall Springs, Tennessee, USA

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