December weather forecast
Riddleton, TN

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Weather in December

The first month of the winter, December, is still a chilly month in Riddleton, Tennessee, with an average temperature ranging between max 48.6°F (9.2°C) and min 35.2°F (1.8°C).

Temperature

In Riddleton, the average high-temperature in December gently drops from a refreshing 56.7°F (13.7°C) in November to a frosty 48.6°F (9.2°C). An average low-temperature of 35.2°F (1.8°C) is observed during the December nights.

Humidity

With an average relative humidity of 80%, December is the most humid month.

Rainfall

In Riddleton, during December, the rain falls for 13.5 days and regularly aggregates up to 3.27" (83mm) of precipitation. In Riddleton, Tennessee, during the entire year, the rain falls for 177.2 days and collects up to 40.94" (1040mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Riddleton. In Riddleton, during December, snow falls for 2.6 days and regularly aggregates up to 0.39" (10mm) of snow. In Riddleton, during the entire year, snow falls for 14 days and aggregates up to 3.58" (91mm) of snow.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:37 am and sunset at 4:29 pm. On the last day of December, in Riddleton, sunrise is at 6:55 am and sunset at 4:39 pm CST.

Sunshine

In Riddleton, the average sunshine in December is 4.6h.

UV index

The months with the lowest UV index in Riddleton are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: An average UV index of 2 in December transforms into this advice:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Frequently asked questions

What is the average December temperature in Riddleton?

In Riddleton, in December, the average high-temperature is 48.6°F (9.2°C), and the average low-temperature is 35.2°F (1.8°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in September is estimated at 84.2°F (29°C).

What is the most humid month in Riddleton?

The most humid month in Riddleton, Tennessee, is December, with an average relative humidity of 80%.

What is the average humidity in December in Riddleton?

The average relative humidity in December in Riddleton is 80%.

How many days does it rain in December in Riddleton?

In Riddleton, Tennessee, in December, during 13.5 rainfall days, 3.27" (83mm) of precipitation is typically accumulated.

How many days does it snow in December in Riddleton?

In Riddleton, in December, during 2.6 snowfall days, 0.39" (10mm) of snow is typically accumulated.

What is the month with the shortest days in Riddleton?

December has the shortest days of the year in Riddleton, Tennessee, with an average of 9h and 42min of daylight.

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

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

What time are sunrise and sunset in December in Riddleton?

On the first day of December in Riddleton, Tennessee, sunrise is at 6:37 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 4:39 pm CST.

How long on average sun shines in December in Riddleton?

In Riddleton, the average sunshine duration in December is 4.6h.

When is the lowest UV index in Riddleton?

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

What is the UV index reading in December in Riddleton?

In Riddleton, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat from exposure to the Sun's 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
Riddleton, TN

Average temperature in December - Riddleton, TN
  • Average high temperature in December: 48.6°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: 35.2°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

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Average pressure in December
Riddleton, TN

Average pressure in December - Riddleton, 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
Riddleton, TN

Average wind speed in December - Riddleton, TN
  • Average wind speed in December: 6.8mph

The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in December
Riddleton, TN

Average humidity in December - Riddleton, TN
  • Average humidity in December: 80%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (76%).

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Average rainfall in December
Riddleton, TN

Average rainfall in December - Riddleton, TN
  • Average rainfall in December: 3.27"

The wettest months (with the highest rainfall) are February and July (4.17").
The driest month (with the least rainfall) is September (2.32").

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Average rainfall days in December
Riddleton, TN

Average rainfall days in December - Riddleton, TN
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (10.5 days).

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Average snowfall in December
Riddleton, TN

Average snowfall in December - Riddleton, TN
  • Average snowfall in December: 0.39"

The month with the highest snowfall is February (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Riddleton, TN

Average snowfall days in December - Riddleton, TN
  • Average snowfall days in December: 2.6 days

The month with the highest number of snowfall days is January (4.5 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
Riddleton, TN

Average daylight in December / Average sunshine in December - Riddleton, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

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Average sunshine days in December
Riddleton, TN

Average sunshine days in December - Riddleton, TN
  • Average sunshine days in December: 15.2 days

The months with the most sunshine days are October and November (18 days).
The month with the least sunshine days is July (10 days).

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Average UV index in December
Riddleton, TN

Average UV index in December - Riddleton, 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
Riddleton, TN

Average cloud cover in December - Riddleton, TN
  • Average cloud cover in December: 52

The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in December
Riddleton, TN

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

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

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Riddleton, Tennessee, USA

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