December weather forecast
Ridley, TN

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Weather in December

December, the first month of the winter in Ridley, is also a frosty month, with an average temperature varying between 35.8°F (2.1°C) and 49.6°F (9.8°C).

Temperature

December brings a slight decrease in temperature, down from a refreshing 57.4°F (14.1°C) in November to a frosty 49.6°F (9.8°C). Throughout December, Ridley witnesses a consistent average low-temperature of 35.8°F (2.1°C).

Humidity

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

Rainfall

In Ridley, in December, it is raining for 12.7 days, with typically 3.11" (79mm) of accumulated precipitation. In Ridley, during the entire year, the rain falls for 172.4 days and collects up to 38.43" (976mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Ridley. In Ridley, in December, during 1.4 snowfall days, 0.43" (11mm) of snow is typically accumulated. In Ridley, during the entire year, snow falls for 8.9 days and aggregates up to 2.8" (71mm) of snow.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:40 am and sunset at 4:35 pm. On the last day of December, in Ridley, sunrise is at 6:58 am and sunset at 4:46 pm CST.

Sunshine

In Ridley, the average sunshine in December is 4.7h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In December, an average UV index of 2 transforms into the following instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Frequently asked questions

What is the usual temperature for Ridley in December?

During December, Ridley experiences an average high-temperature of 49.6°F (9.8°C) and a low-temperature of 35.8°F (2.1°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 86°F (30°C).

What is the most humid month in Ridley?

March and December, with an average relative humidity of 79%, are most humid months in Ridley, Tennessee.

What is the average humidity in December in Ridley?

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

How many days does it rain in December in Ridley?

In Ridley, during December, the rain falls for 12.7 days and regularly aggregates up to 3.11" (79mm) of precipitation.

How many days does it snow in December in Ridley?

In Ridley, Tennessee, in December, during 1.4 snowfall days, 0.43" (11mm) of snow is typically accumulated.

What is the month with the shortest days in Ridley?

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

How many hours of daylight does Ridley have in December?

The average day length in December in Ridley is 9h and 48min.

When are sunrise and sunset in December in Ridley?

On the first day of December, sunrise is at 6:40 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 4:46 pm CST.

How long on average sun shines in December in Ridley?

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

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

With an average maximum UV index of 2, December is the month with the lowest UV index in Ridley, Tennessee.

What is the UV index intensity in December in Ridley?

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

Average temperature in December - Ridley, TN
  • Average high temperature in December: 49.6°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (45.3°F).

  • Average low temperature in December: 35.8°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).

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Average pressure in December
Ridley, TN

Average pressure in December - Ridley, 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
Ridley, TN

Average wind speed in December - Ridley, TN
  • Average wind speed in December: 8mph

The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

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Average humidity in December
Ridley, TN

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

The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in December
Ridley, TN

Average rainfall in December - Ridley, TN
  • Average rainfall in December: 3.11"

The wettest months (with the highest rainfall) are February and July (4.06").
The driest month (with the least rainfall) is September (2.36").

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Average rainfall days in December
Ridley, TN

Average rainfall days in December - Ridley, TN
  • Average rainfall days in December: 12.7 days

The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (9.9 days).

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Average snowfall in December
Ridley, TN

Average snowfall in December - Ridley, TN
  • Average snowfall in December: 0.43"

The month with the highest snowfall is February (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Ridley, TN

Average snowfall days in December - Ridley, TN
  • Average snowfall days in December: 1.4 days

The months with the highest number of snowfall days are January and February (2.8 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
Ridley, TN

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

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

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Average sunshine days in December
Ridley, TN

Average sunshine days in December - Ridley, TN
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (9.9 days).

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Average UV index in December
Ridley, TN

Average UV index in December - Ridley, TN
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in December
Ridley, TN

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

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in December
Ridley, TN

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

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

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Ridley, Tennessee, USA

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